Prof. Dr. W. Mahmood Mat Yunus

ICONT2012, Pahang

2012-01-27T14:38:00.001+08:00

International conference on nanotechnology 2012, icont2012@yahoo.com.my

My Postgraduate students 2012

2012-01-25T10:09:00.009+08:00

1. Kasra Behzad PhD-2008

1. Khairunnisa Hatta - GS 20362, MS -GRA-Skim Khas
2. Nastaran Faraji, MS GS 27657, July 2010
3. Roza Raoufi GS32071 MS, Sept. 2011
4. Masoumeh Shokati Mojdehi GS 32057, MS, Sept 2011

1. Elham Gharih Shahi -PhD (ES)
2. Ing yah Chzeh -GS19096, PhD (ZZ)
3. Sepidah Soltaninejad GS 19770, PhD (MMM)
4. Mohammad Ali Shafaei GS 20923 PhD (ES)
5. Azis Bin Alias (GS20263), PhD (Aida-Edu)
6 Hamid Rizal Bahari Pour Farkaush PhD (SAA)
7. Mohd Shahril Husin PhD(GS24936, MMM)
8. Nordin bin Hj. Sabli PhD (GS28585, ZAT) 2010
9. Mohamad Faiz Zainuddin PhD (GS28581, ZA sem 3 2012)

1. Saufiah bt Md. Salleh GS 20834 MS (AZ)
2. Ng. Sook Mey, GS22943 MS (ZZ)

1. Yap Wing Fen (GS23732) PhD-graduated Jan 2012
2. Mohd Amirul Syafiq bin Mohd Yunos (GS22177), MS (ZAT)-graduated 2011

Publication 2012

2011-12-29T17:39:00.019+08:00

1. Kasra Behzad, W.Mahmood Mat Yunus, Zainal Abidin Talib, Azmi Zakaria and Afarin Bahrami. preparation and thermal characterization of annealed gold coated porous silicon. Materials, 5, 157-168 (2012) doi: 10.3390/ma5010157.

2. Afarin Bahrami, Zainal Abidin Talib, Esmaeil Shahriari, Wan Mahmood Mat
Yunus, Anuar Kasim and Kasra Behzad. Characterization of Electrosynthesized Conjugated
Polymer-Carbon Nanotube Composite: Optical Nonlinearity and Electrical Property. Int. J. Mol. Sci. 2012, 13(1), 918-928; doi:10.3390/ijms13010918

3. Kasra Behzad, W.Mahmood Mat Yunus, Zainal Abidin Talib, Azmi Zakaria, Afarin Bahrami and Esmaeil Shahriari. Effect of etching time on optical and thermal properties of p-type porous silicon prepared by electrical anodisation method. Advances in Optics Technology, Volume 2012, 1-9 (2012) doi; 10.1155/2012/581743.

Yap Wing Fen, W.Mahmood Mat Yunus, Zainal Abidin Talib, Nor Azah Yusof. X-Ray Photoelectron Spectroscopy and Atomic Force Microscopy Studies on Crosslinked Chitosan Thin Film. International Journal of Physical Sciences (Accepted)

Yap Wing Fen, W.Mahmood Mat Yunus, Evidence of Cu(II) ion interaction in crosslinked chitosan thin film from x-ray photoelectron spectroscopy and field emission scanning electron microscopy. Journal of materials Science and Engineering (A & B). Accepted.

1. Yap Wing Fen, W. Mahmood Mat Yunus, Zainal Abidin Talib. Analysis of Pb(II) ion sensing by crosslinked chitosan thin film using surface plasmon resonance spectroscopy. Optik – International Journal of Light and Electron Optics. (Accepted)

Yap Wing Fen, W. Mahmood Mat Yunus. Immobilization of tetrabutyl thiuram disulfide in chitosan thin film for sensing zinc ion using surface plasmon resonance technique. Sensors and Materials. (Accepted)

Pameran Rekacipta Penyelidikan dan inovasi (PRPI) 2011

2011-07-19T16:54:00.007+08:00

Poster Presentation-PRPI 2011, July. 19-21
Detection of heavy metal ions using surface plasmon resonance spectroscopy

Medal- Silver.

10 th International Anual Symposium (UMTAS 2011) 11-13 July 2011

2011-07-14T15:15:00.003+08:00

1. W. Mahmodd Mat Yunus, Esmaeil Shahriari and Yap Wing Fen. Effect of particle size on nonlinear refraction coefficients of silver-polyvinylpyrrolidone nanofluid. A poster presented at Unversiti Malaysia Trengganu, 10 th International Anual Symposium (UMTAS 2011) 11-13 July 2011, Permai Hotel, Kuala Terengganu. Extended abstract at page.....

2. Yap Wing Fen, W.Mahmood Mat Yunus, Zainal Abidin Talib, Mohd Maarof Moksin and Nor Azah Yusof. Surface plasmon resonance analysis for detection of lead ion in solution. A poster presented at Unversiti Malaysia Trengganu, 10 th International Anual Symposium (UMTAS 2011) 11-13 July 2011, Permai Hotel, Kuala Terengganu. Extended abstract at page.....

Fundamental Sscience Conference (regional) 5-6 July 2011, UPM

2011-07-06T20:21:00.005+08:00

1. W.Mahmood Mat Yunus and Faris Muhammad Ali. Techniques for measuring thermophysical properties of nanofluids: A review.

2. Yap Wing Fen, W.Mahmood Mat Yunus, Zainal Abidin Talib, Mohd Maarof Moksin, NorAzah Yusof. Heavy metal ions detection by crosslinked chitosan thin film using surface plasmon resonance technique (presented as oral paper).

Seminar 2011

2011-01-04T16:00:00.046+08:00

The international conference for nanomaterials synthesis and characterization 2011 (INSC 2011) 4-5 July 2011 esmail

The international meeting on advanceds in thermofluids (IMAT 2011), 3 - 4 Oct 2011 (mahmmodoldic; Abstract-submitted 6-3-2011) faris, Melaka

The seventh international conference on magnetic and superconducting materials 2011 (MSM11), 10-13 Oct 2011, PD negeri sembilan

My Postgraduate students 2011

2010-12-30T07:35:00.014+08:00

1. Kasra Behzad PhD-2008
2. Yap Wing Fen (GS23732) PhD-2009

1. Khairunnisa Hatta - GS 20362, MS -GRA-Skim Khas
2. Nastaran Faraji, MS GS 27657, July 2010

1. Elham Gharih Shahi -PhD (ES)
2. Ing yah Chzeh -GS19096, PhD (ZZ)
3. Sepidah Soltaninejad GS 19770, PhD (MMM)
4. Mohammad Ali Shafaei GS 20923 PhD (ES)
5. Azis Bin Alias (GS20263), PhD (Aida-Edu)
6 Hamid Rizal Bahari Pour Farkaush PhD (SAA)
7. Mohd Shahril Husin PhD(GS24936, MMM)
8. Nordin bin Hj. Sabli PhD (GS28585, ZAT) 2010

1. Saufiah bt Md. Salleh GS 20834 MS (AZ)
2. Mohd Amirul Syafiq bin Mohd Yunos (GS22177), MS (ZAT)
3. Ng. Sook Mey, GS22943 MS (ZZ)

Esmaeil Shahriari -PhD - graduated March 2011
Faris Mohammed Ali PhD - graduated March 2011
Lim Mei Yee - PhD- graduated March 2011
Kazem Naghari Sadollah-PhD (ES)-graduated March 2011
Amer Reza Sadrol Hosseini - PhD (MMM)-graduated 2011

Publication 2011

2010-12-15T22:45:00.049+08:00

1. Esmaeil Shahriari, W.Mahmood mat Yunus, Zainal Abidin Talib and Elias Saion. Thermal-Induced Non-linear of Ag nano-fluid Prepared using gamma Radiation Method. Sains Malaysiana, 40(1) . 13-15 (2011)

2. Yap Wing Fen, W.Mahmood Mat Yunus, Mohd Maarof Moksin, Zainal Abidin Talib and Nor Azah Yusof. Optical properies of Crosslinked Chitosan Thin Film with Glutaraldehyde Using Surface Plasmon Resonance Technique. American J. of Engineering and Applied Sciences 4(1), 61-64, 2011, ISSN 1941-7020

3. Amir Reza Sadrolhosseini, Mohd Maarof Moksin, Harrison lau Lik Nang, Monir Norozi, W.Mahmood Mat Yunus and B.Z. Azmi. Pysical properties of Normal Grade Biodiesel and Winter Grade Biodiesel. Int. J. Mol. Sci. 2011, 11, 2100-2111; doi:10.3390. ISSN 1422-0067

4. Yap Wing Fen, W. Mahmood Mat Yunus, Nor Azah Yusof. Optical properties of crosslinked chitosan thin film as copper ion detection using surface plasmon resonance technique. Optica Applicata. 41(4), 999-1013, 2011.

5. Amir Reza Sadrolhosseini, Mohd Maarof moksin, W.Mahmood Mat Yunus, Ahmad Mohammad and Zainal Abidin Talib. Optical characterization of palm oil biodiesel blend. Journal of materials and engineering, 5. (2011), 550-554

6. Yap Wing Fen, W.Mahmood Mat Yunus and Nor Azah Yusof. Detection of Mercury and Copper Ions Using Surface Plasmon Resonance Optical Sensor. Sensors & Materials Vol. 23. No. 6. 325-334 (2011) (ISSN 0914-493)

7. Yap Wing Fen, W. Mahmood Mat Yunus, Zainal Abidin Talib, Nor Azah Yusof. X-ray photoelectron spectroscopy and atomic force microscopy studies on crosslinked chitosan thin film. International Journal of Physical Sciences 6(11), 2744-2749, 2011.

8. Yap Wing Fen, W.Mahmood Mat Yunus, Evidence of Cu(II) ion interaction in crosslinked chitosan thin film from x-ray photoelectron spectroscopy and field emission scanning electron microscopy. Journal of materials Science and Engineering (A & B). Accepted.

9. Faris Mohammed Ali, W. Mahmood Mat Yunus. Study the Effect of Volume Fraction Concentration and Particles Materials on Thermal Conductivity and Thermal Diffusivity of Nanofluids. Jpn. J. Appl. Phys. 50 (2011) 085201 (1-8)

10. A Roomi, Elias Saion, W. Mahmood Mat Yunus, M. Iqbal, R. Amrollahi, M. Habibi, R. Baghdadi, and G. R. Etaati. Investigation of nitrogen HXR with neon admixture on the APF plasma focus. J. Fussion Energ. Published online: 04 february 2011

11. A Roomi, Elias Saion, M. Habibi, R. Amrollahi, R. Baghdadi, G.R. Ettati, W.Mahmood Mat Yunus, M. Iqbal. The effect of applied voltage and operating pressure on emitted x-ray from nitrogen (N2) gas in APF plasma focus device. J. Fussion Energ. Published online: 11 March 2011

12. Yap Wing Fen, W. Mahmood Mat Yunus, Mohd Maarof Moksin, Zainal Abidin Talib, Nor Azah Yusof. Surface plasmon resonance optical sensor for mercury ion detection by crosslinked chitosan thin film. Journal of Optoelectronocs and advanced mayetrials. Vol 13.ISS.3.2011 page 279-285.

13. Faris Mohammed Ali, W.Mahmood Mat Yunus and Zainal Abidin Talib. Design and construction of Hot wire-probe beam displacement for measurement thermal conductivity and thermal diffusivity of chromium (Cr) nanofluid in distilled water. Journal of Material Science and Engineering B1 (2011) 22-27. ISSN 1934-8959
IF 1.560

14. Amir Reza Sadrolhosseini, Mohd Maarof Moksin, W.Mahmood Mat Yunus, Zainal Abidin Talib and Mahnaz Abdi. Surface plasmon resonance detection of copper corrosion in biodiesel using polypyrrole-chitosan layer sensor. Optical Review Vol. 18, No. 4 (2011) 331-337

15. W.Mahmood Mat Yunus, Faris mohammad ali and Zainal Abidin Talib. Simulation study for measuring thermal conductivity and thermal diffusivity of nanofluid using hot wire-laser probe beam displacement technique. AIP Conf. Proc. March 30, 2011 - Volume 1328, pp 47-50

16. Amir Reza Sadrolhosseini, Mohd Maarof Moksin, W.Mahmood Mat Yunus, and Zainal Abidin Talib. Application of surface plasmon resonance sensor in detection of water in palm-oil-based biodiesel and biodiesel blend. Sensors & Materials Vol. 23. No. 6. 315-324 (2011) (ISSN 0914-493)

17. Mahnaz M. Abdi, Luquman Chuah Abdullah, Amir R. Sadrolhosseini, W Mahmood Mat Yunus, Mohd Maarof Moksin, Paridah Md. Tahir. Surface Plasmon resonance sensing detection of mercury and lead ions based on conducting polymer composite. PLoS ONE, 6(9), e24578 pg 1-4 (2011) . www.plosone.org (IF4.4)

18. Yap Wing Fen and W. Mahmood Mat Yunus, Characterization of the optical properties of heavy metal ion using surface plasmon resonance technique. Optics and Photonics Journal 1, 116-123 (2011), doi 104236 opi.

19. Yap Wing Fen, W.Mahmood Mat Yunus and Nor Azah Yusof. Surface plasmon resonance optical sensor for detection of essential heavy metal ions with potential toxicity: Copper, Zinc and Manganese. Sensor Letter, 9(5), 1-8 (2011)

20. Yap Wing Fen, W. Mahmood Mat Yunus. Evidence of Cu(II) ion interaction in crosslinked chitosan thin film from x-ray photoelectron spectroscopy and field emission scanning electron microscopy. Journal of Materials Science and Engineering B 1, 584-590, 2011

Seminar Kebangsaan Aplikasi Sains dan Matematik , 2010

2010-12-10T21:33:00.007+08:00

Faris Mohammed Ali and W.Mahmood Mat Yunus and Zainal Abidin Talib. Effect of Volume fraction concentration and particles materials on thermal conductivity of nanofluids. (poster presentation)-SKASM 2010, 8-10 Dec. 2010, Johor Baharu, Johor.

Faris Mohammed Ali and W.Mahmood Mat Yunus, Prosiding Seminar Kebangsaan Aplikasi Sains dan Matematik 2010, page 85-91

ICSSST 2010, KUCHING, Serawak

2010-12-04T06:56:00.014+08:00

1. Faris Mohammed Ali, W.Mahmood Mat Yunus and Zainal abidin Talib. Dedsign and construction of Hot wire-probe beam displacement for thermal conductivity and thermal diffusivity measurements of chromium (Cr) nanofluid. (Poster presentation)

2. M.Y. Lim, W.Mahmood Mat Yunus, Z.A. Talib and A. Kassim., Electrical and optical properties of polymer layers of light emitting diode structure (Poster presentation).

3.Hamid-Reza Bahari Pour, sidek Abd Aziz, Halimah Mohamad Kamari, W.Mahmood mat Yunus, Faisal Rafiq Mohamad Adikian. Elastic study of GeO2-PbO-Bi2O3 ternary glass (oral)

4. M.M. Aiza, A.W. Zaidan, W.Mahmood Mat Yunus, A.M. Khamirul and M.A. Radiatul Adawiyah. Thermal conductivity measurement of SnO2-based gas sensor maerials at room temperature (oral).

5. Z.A.Talib, J.Y.C. Liew, Z.Zainal and W.Mahmood mat Yunus. Electrical transport studies of Tin(II) Selenide thin film prepared by thermal evaporation technique (oral)

The International Conference on Solid State Science and Technology 2010 (ICSSST2010)) organized by the Faculty of Engineering, Universiti Malaysia Sarawak and Malaysian Solid State Science & Technology (MASS). 1st-3rd December 2010. Hilton Hotel, Sarawak, MALAYSIA.

MSTC 2010, Crystal Crown Hotel, P.J.

2010-11-12T08:41:00.007+08:00

Yap Wing Fen and W. Mahmood Mat Yunus.Surface Plasmon resonance Optical Sensor for Mercury ion Detection. - MSTC 2010, Malaysian Science and technology Congress 2010, 9-11 Nov. 2010, Crystal Crown Hotel, Petaling Jaya.

PERFIK 2010

2010-10-30T23:51:00.006+08:00

PERSIDANGAN FIZIK KEBANGSAAN 2010,
2010 NATIONAL CONFERENCE ON PHYSICS
27^th – 30^th October 2010, Swiss-Garden Golf Resort & Spa
Damai Laut, Perak

W.Mahmood Mat Yunus and faris Ali. Simulation study for measuring thermal conductivity and thermal diffusivity of nanofluid using hot wire-laser beam displacement technique. Presented as an invited paper.

PRPI 2010

2010-07-20T11:11:00.009+08:00

PRPI 2010, Dewan Besar UPM, 20-22 July 2010

"Z-scan technique for determination of nonlinear refractive index and nonlinear absorption coefficient of metal nanofluids"

Silver Medal

Design, fabrication and characterization of copper selenide based thin film semiconductor as photovoltaic cell.
Bronze medal

2010-03-27T10:50:00.002+08:00

Postgraduate Students-Graduated In 2009

Ph.D position & Post-doc position

2010-02-23T17:17:00.007+08:00

Post-doc position is available for Thermal lens and Z-Scan Projects. For those who are interested can applied to UPM.

RESEARCH GRANT 2010

1. Thermal Lens Technique for measuring thermal diffusivity of solid/liquid, funded by FRGS Grant.

2. Study of non-linearity properties of nanoparticle using thermal lens and z-scan techniques-funded by FRGS Grant-1/2010

2010-02-23T17:03:00.001+08:00

Cheng Ee Meng GS18074-PhD (ZA-InE.Mac. 2010)

Publication 2010

2010-02-23T16:43:00.050+08:00

1. Esmaeil Shahriari and W. Mahmood Mat Yunus. Single Beam Z-Scan Measurements of Nonlinear Refraction and Nonlinear Absorption Coefficients in Silver Nano-Fluid. American J. of Engineering and Applied Sciences 3 (1): 98-101, 2010

2. Mahnaz M. Abdi, Anuar Kasim., H.N.M. Ekramul Mahmud, W. Mahmood Mat Yunus and Zainal Abidin Talib. Electromagnetic Interference Shielding Effectiveness of New Conducting Polymer Composite. Journal of Macromolecular Science , Part A: Pure and Applied Chemistry (2010) 47, 71–75

3. M.Y. Lim, W.Mahmood Mat Yunus, Z.A. Talib, A. Kassim, C. F. Dee and A. Ismail. Electrical and Optical Properties of N, N`-Bis (Inaphthyl)-N,N`-Diphenyl-1,1`-Biphenyl- 4,4`-Diamine as Hole Transport Layer in Organic Light Emitting Devices. American J. of Engineering and Applied Sciences 3 (1): 880-883, 2010

4. Esmaeil Shahriari, W. Mahmood Mat Yunus, Kazem Naghavi, Z.A. Talib. Effect of concentration and particle size on nonlinearity of Au nano-fluid prepared by gamma radiation (Co-60). Opt. Commun. 283 (2010) 1929-1932.

5. Esmaeil Shahriari, W. Mahmood Mat Yunus, kazem Naghavi and Elias Saion. The Optical Nonlinearity of Au and Ag Nanoparticle Prepared by gamma-Radiation Method. American Journal of Engineering and Applied Sciences 3(2): 260-264, 2010

6. W. Mahmood Mat. Yunus, Maryam Ranjbar , Mohd Zobir bin Hussein and Lim Mei Yee. Thermal diffusivity of Zinc-Aluminum Layered Double Hydroxide using PVDF Photoflash Technique. Journal of material Science and Eng-USA. Vol. 4 (3). 7-10, 2010

7. Esmaeil Shahriari, W.Mahmood Mat Yunus and Elias Saion, Effect of particle size on nonlinear refractive index of Au nanoparticle in PVA solution, Brazilian journal of Physics, Vol 40 (2), 256-261 (2010)

8. Faris Mohammed Ali, W. Mahmood Mat Yunus, Mohd Maarof Moksin, Zainal Abidin Talib. Measurement Thermal Conductivity and Thermal Diffusivity of Chromium Nanofluids. Australian Journal of Basic and Applied Sciences, 4(8), 3780-3793, 2010

9. Faris Mohammed Ali, W. Mahmood Mat Yunus, , Mohd Maarof Moksin, Zainal Abidin Talib. The effect of volume fraction concentration on the thermal conductivity and thermal diffusivity of nanofluids: Numerical and experimental Rev. Sci. Instrum. 81, 074901 (2010); doi:10.1063/1.3458011 (9 pages) Download PDF wmmy

10. PERFIK 2009, Manuscript is Shortlisted For Sains Malaysiana

11. Mei Yee Lim1, Wan Mahmood Mat Yunus, Zainal Abidin Talib, Anuar Kassim. Optical properties for N,N’-bis (lnaphyhly)- N,N’-diphenyl-1,1’-biphenyl-4,4’-diamine and tris (8-hydroxyquinolinato) aluminum in organic light emitting devices. Natural science. Vol.2, No.6, 631-634 (2010)

12. E. SHAHRIARI, W. MAHMOOD MAT YUNUS, K. NAGHAVI, Z-scan determination of two-photon absorption in Ag nano-fluid prepared using gamma-radiation method. Journal of Optoelectronics and Advanced Materials Vol.12 (8) 2010, page 1676-1679

13. Kazem Naghavi, Elias Saion, Khadijeh Rezaee, W. Mahmood Mat Yunus , Influence of dose on particle size of colloidal silver nanoparticles synthesized by gamma radiation. Radiation Physics and Chemistry, 79, 2010. 1203-1208

14. R. Zamiri, A. Zakaria, E. Shahriari, W. Mahmood Mat Yunus, K. Naghavi, E. Saion, M. Adzir Mahdi, M. Shahril Husin Dependence of thermal diffusivity on particle size in Au nano-fluid, Journal of Optoelectronics and Advanced materials (JOAM-RC), Vol 4 ISS 10, 1551-1553 (2010)

15. Mahnaz M. Abdi, H.N.M.. Ekramul Mahmud, AnuarKasim, W. Mahmood Mat Yunus, Zainal Abidin Talib and Mohd Jelas Haron. Synthesis and charanterization of a new conducting polymer composite. Polymer Science Ser. B , 2010. Vol. 52(11-12) pp 662-669.

16. ESMAEIL SHAHRIARI, W. MAHMOOD MAT YUNUS. EFFECT OF PARTICLE SIZE ON NONLINEAR REFRACTION AND ABSORPTION OF Ag NANOPARTICLES. Digest Journal of Nanomaterials and Biostructures. Vol. 5, No 4, October-December 2010, p. 939-946

17. N. Othaman, ZA Talib, A.sim, WMM Yunus and SA Halim . Correlation between thermal diffusivity and dc conductivity in polypyrrole-montmorillonite clay composite. Solid State Science & technology Vol. 18(1) 437-443 (2010)

18. Amir Reza Sadrolhosseini Mohd Maarof Moksin, W. Mahmoo mat Yunus and Ionel Valeriu Grozescu. application of Surface Plasmon Resonance in biodiesel characterization. Solid State Science & technology Vol. 18(1) 454-460 (2010)

19. Kharunnia H. W.Mahmood Mat Yunus, MM Moksin ZA Wahab, and NHM Daud. Thermal diffusivity measuring of new denture material (methacrylate doped with nicckle metal powder) using photothermal technique. Solid State Science & technology Letters Vol. 18(1 & 2) 1-12 (2010)

20. Yah-Chzed Ing, Zulkalnain Zainal, Anuar Kassim and W. Mahmood Mat Yunus. Comparative study on optical and photoelectrochemical properties of CdS film fabaricated by two different electro-deposition technique. Solid State Science & technology Letters Vol. 18(1 & 2) 33-38 (2010)

21. Mei Yee Lim, Wan Mahmood Mat Yunus, Zainal Abidin Talib, Anuar Kassim. Effect of thickness of tris(8-hydroxyquinolinato) aluminun on the photoluminescence and I-V characteristic of organic light emitting structure. American J. of Applied Sciences 7 (9): 1215-1218, (2010 )

22. Esmaeil Shahriari and W.Mahmood Mat Yunus. Thermally induced nonlinear refraction of gold and silver polyvinvinylpyrrolidone nanofluid. Journal Optoelectronics and Advanced Materials. Vol. 12 ISS. 11, 2306-2310, 2010.

23. Amir Reza Sadrolhosseini, Mohd maarof Moksin, W.Mahmood Mat Yunus and Zainal Abidin Talib.Surface plasmon resonance determination of methanol concentration during alkaline transestrification. ARPN Journal of Engineering and Applied Science, Vol. 5, No. Sept , 54-57. 2010. ISSN 1819-6608

24. Mohd Amirul Syafiq Mohd Yunus, Zainal Abidin Talib, W.Mahmood Mat Yunus, Meor Yusoff Meor Sulaiman, Josephine Liew Ying Chyi and Wilfred Sylvester Paulus. X-ray difrraction analysis of thermally evaporated copper tin selenide thin films at different annealing temperature, Journal of materials Science and Engineering,. Vol. 4(12) serial No. 37. 28-33 (2010), ISSN 1934-8959.

RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang

2009-12-24T06:56:00.012+08:00

W. Mahmood Mat Yunus, Esmaeil Shahriari, Lim Mei Yee. Nonlinear Optical Properties of Ag nano-fluid Prepared by gamma Radiation. A poster presented at the "RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang".

Lim Mei Yee, W.Mahmood Mat Yunus Z. A. Talib, A. Kasim, C.F. Dee, and A. Ismail, ELECTRIC PROPERTIES FOR N, N`-BIS (lNAPHYHLY)- N,N`-DIPHENYL-1,1`-BIPHENYL-4,4`-DIAMINE AND TRIS (8-HYDROXYQUINOLINATO) ALUMINUM IN
ORGANIC LIGHT EMITTING DEVICES. A paper presented at the "RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang".

Khairunnisa Hatta, W.Mahmood Mat Yunus, M.M. Moksin, Z.A. Wahab, N.H.M. Daud. Thermal Diffusivity of New Denture Material (Polymethyl Methacrylate Doped with Nickel Metal powder. A poster presented at the "RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang".

Yah-Chzeh Ing, Zulkarnain Zainal, W.Mahmood Mat Yunus. Comparative study on optical and photoelectrochemical properities of CdS films fabricated by two differtent electrodeposition techniques. A paper presented at the "RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang"

Z. A. Talib, J. Y. C. Liew , Z. Zainal, W. Mahmood Mat Yunus and S. A. Halim. Effect of annealing treatment on copper tin selenide film prepared by thermal evaporation technique. A paper presented at the "RCSSST 2009 - The 25th Regional Conference of Solid State Science and Technology 2009, 21-23 Dec. 2009, Bayview Hotel, Penang"

PERFIK 2009, 7-9 nov. 2009. Avillioan Legacy Hotel. Melaka.

2009-12-10T17:44:00.006+08:00

Esmaeil Shahriari, W.Mahmood Mat Yunus, Kazem Naghavi, Zainal Abidin Talib,
and Elias Saion. Thermal-induced Nonlinearity of Ag Nano-fluid Prepared Using gamma Radiation Method. Poster presented at Persidangan fizik kebangasaan 2009 (perfik 2009). "Enhancing high-impact national physics research" 7-9 nov. 2009. Avillioan Legacy Hotel. Melaka.

Faris Mohammed Ali, W. Mahmood Yunus, Mohd Maarof, Zainal Abidin Talib. Simulation Study for Measuring Thermal Conductivity and Thermal Diffusivity of Nanofluid Using Hot Wire – Laser Probe Beam Displacement Technique. Paper presented at Persidangan fizik kebangasaan 2009 (perfik 2009). "Enhancing high-impact national physics research" 7-9 nov. 2009. Avillioan Legacy Hotel. Melaka.

M. Y. Lim, W. Mahmood Mat Yunus, Z. A. Talib and A. Kassim. Electrical and optical properties of tris (8-hydroxyquinolinato) aluminum (Alq3) as electron transporting layer in organic light emitting devices. Paper presented at Persidangan fizik kebangasaan 2009 (perfik 2009). "Enhancing high-impact national physics research" 7-9 nov. 2009. Avillioan Legacy Hotel. Melaka.

Seminar/Conference 2009

2009-11-03T23:12:00.023+08:00

M . Y. Lim. W. Mahmood Mat Yunus , Z. A.. Talib, A. Kassim, C. F. Dee, A. Ismail. Optical properties for N, N-Bis ( lnaphyhly)-N, N Diphenyl-1,1'Biphenyl-4,4'- Diamine and Tri(8- Hydroxyquinolinato) Aluminum in organic light emitting devices. Paper presented at the "International advanced technology congress ACTI 2009 (Canan 2009)", 3-5 November 2009, PWTC, Kuaka Lumpur.

.
W. Mahmood Mat Yunus, Maryam Ranjbar, Mohd Zobir Hussein. Therma diffusivity of Zinc -Aluminum Layered Double Hydroxide using PVDF photoflash technique. Poster presented at the International advanced technology congress ACTI 2009 (Canan 2009)", 3-5 November 2009, PWTC, Kuaka Lumpur.

MASSS 2009, 21-23 Penang, Bayview.

2009-10-23T22:49:00.001+08:00

Electronic Conducting Polymer Composite Films with Enhanced Mechanical Properties
H. N. M. Ekramul Mahmud, Anuar Kassim, Zulkarnain Zainal and Wan Mahmood Mat Yunus
ScienceAsia 31 (2005): 313-317 |doi: 10.2306/scienceasia1513-1874.2005.31.313
[Abstract] [Full Text] [PDF]

Publication 2009

2009-09-03T06:51:00.020+08:00

1. M.Y. Lim, W. Mahmood Mat Yunus, A. Kassim and H.N.M.E. Mahmud. Photoacoustic Measurement of Thermal Diffusivity of Polypyrrole Conducting Polymer Composite Films. American J. of Engineering and Applied Sciences 3 (1): 64-67, 2010

2. W. Mahmood Mat Yunus, Yap Wing Fen and Lim Mei Yee. Refractive Index and Fourier Transform Infrared Spectra of Virgin Coconut Oil and Virgin Olive Oil. American Journal of Applied Sciences 6 (2): 328-331, 2009

3. Lim Mei Yee, H.N.M. Ekramul Mahmud, Anuar Kassim, W. Mahmood Mat Yunus Organic conductor: Influence of preparation temperature Journal of Materials Processing Technology, Volume 209, Issue 8, 21 April 2009, Pages 3931-3936 PDF (1387 K)

4. J. Ying Chyi Liew, Zainal Abidin Talib, W.Mahmood Mat Yunus, Zulkarnain Zainal, Shaari A. Halim, Mohd M. Moksin, Wan Mohd Yusof, K. Pah Lim. Structural, morphology and electrical properties of layered copper selenide thin film, Cent. Eur. J. Phys. 7(2), 2009, Pages 379-384.

5. Mahnaz M. Abdi, Anuar Kassim, H.N. M. Ekramul Mahmud, W. Mahmood Mat Yunus, Zainal Abidin Talib. Electrical and Shielding Properties of Cobductive Polymer Composite Matrix with Chitosan, Solid State Science And Technology Vol 17, No. 1 (2009) 12-21

6. Noor Jawad Ridha, W. Mahmood Mat Yunus, S.A. Halim, Z.A. Talib, Firas K. Mohamad Al-Asfoor and Walter C. Primus "Effect of Sr Substitution on Structure and Thermal Diffusivity of Ba1-xSrxTiO3 Ceramic", American J. of Engineering and Applied Sciences 2 (4): 661-664, 2009

7. Mahnaz M. Abdi, Anuar Kassim, H. N. M. Ekramul Mahmud, W. Mahmood Mat Yunus, Zainal Abidin Talib and Amir R. Sadrolhosseini. Physical, optical, and electrical properties of a new conducting polymer. Journal of Materials Science,Volume 44, Number 14 / July, 2009, 3682-3686. doi:10.1007/s10853-009-3491-y (PDF)

8. Zainal Abidin Talib*, Josephine Liew Ying Chyi, Zulkarnain Zainal, W. Mahmood Mat Yunus, Lim Kean Pah, Wan M Daud Wan Yusoff and Mohd Maarof HA Moksin. Electrical Conductivity Studies in Polycrystalline (CuSe)1-xSex. Pertanika J. Sci. & Technol. 17 (1): 125 – 129 (2009)
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9. Esmaeil Shahriari, Wan Mahmood Mat Yunus, Kazem Naghavi and Zinal Abidin Talib. Investigating of Nonlinear Refractive index Ag Nano-fluid Based on variation Particles Size. MASAUM Journal of Basic and Applied Sciences, Vol. 1, No. 3, 455-458. Full Text: PDF

10. Zainal Abidin Talib, Josephine Liew Ying Chyi, Zulkarnian Zainal, W. Mahmood Mat Yunus, Lim Kean Pah, Wan Daud Wan Yusoff, Mohd Maarof HA Moksin. Electrical Conductivity Studies In Polycrystalline (CuSe)1-xSex) . Pertanika J. Sci. & Technol. 17 (1): 125 – 129 (2009)

11. S.F.Khor, Z.A. Talib, W.M.D. Wan Yusoff, H.A.A. Sidek, W.Mahmood Mat Yunus, A.H. Shaari,Dielectric Properties of Ternary (ZnO)30(MgO)x(P2O5)70-x (x=5, 8, 13). Journal of Fundamental Sciences, 2009 Accepted for publication
Posted by ... at 7:29 AM

12. Nurul Izrini Ikhsan, W. Mahmood mat Yunus, Zainal Abidin Talib and Zaidan Abdul Wahab. Detection of dye molecules in solution using surface plasmon resonance technique, Solid sate Science and technology, 17 (2) , 158-166 (2009)

PAMERAN REKACIPTA PENYELIDIKAN DAN INOVASI 2009 (PRPI 2009)

2009-08-07T22:50:00.013+08:00

PRPI 2009 ini telah diadakan pada 28 Julai 2009 di Pusat Kebudayaan dan Kesenian Sultan Salahuddin Abdul Aziz Shah, UPM

Dr. W. Mahmood Mat Yunus, Lim Mei yee, Zainal Abidin Talib, Anuar Kassim, H.N.M. Ekramul Mahmud. Organic Conductor: Influence of Preparation Temperature.
(GOLD)

Dr. W. Mahmood Mat Yunus, Zainal Abidin Talib, Firas Kamel Mohamad al-asfoor, LimMei Yee. Thermal Effusivity Measurement of Virgin Coconut Oil-Methanol Mixture using Photoacoustic Technique.
(SILVER)

Dr. Zainal Abidin Talib, Josephone Liew Ying Chyi, W.Mahmood Mat Yunus, Zulkarnain Zainal, Abdul Halim Shaari, Mohd Maarof Moksin, Lim Keen Pah, Wan Daud Wan Yusoff, Mohd Firdaus Mohd Yusof. Structure, Morphology and electrical Properties of Layered Copper Selenide Thin Film.
(SILVER)

Anuar Kassim, Mahnaz M. Abdi, H.N. M Ekramul Mahmud, W.Mahmood Mat Yunus and Zainal Abidin Talib. Novel Organic Conductor with High Electrical Conductivity for EMI Shielding.
(SILVER)

PAMERAN REKACIPTA PENYELIDIKAN DAN INOVASI 2008 (PRPI 2008)
PRPI 2008 ini telah diadakan pada 29-31Julai 2008

Dr. W. Mahmood Mat Yunus. Thermal, Optical and Carrier Transport Properties of Porous Silicon Using Photoacoustic Technique
(GOLD)

Dr. Zainal Abidin Talib, W. Mahmood Mat Yunus, Josephone Liew Ying Chyi. Understanding the Correlation between the Structural, Electric and Thermal Properties of (CuSe)1-xSex Metal Chalcogenide Semiconductor Composites
(SILVER)
.

Inaugural Lecture

2009-07-07T01:28:00.005+08:00

Welcome to my Inaugural Lecture on 10th of July, 2009, 9.50am at Dewan Taklimat, UPM

Ph.D position & Post-doc position

2008-11-29T11:53:00.002+08:00

Post-doc position is available for Thermal lens and Z-Scan Projects. For those who are interested can applied to UPM.

Group publications

2008-07-23T22:31:00.006+08:00

Group publications
Firas et al. 2009

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My Papers in pdf format

2008-06-03T11:52:00.029+08:00

W. Mahmood Mat Yunus1* and Chan Kok Sheng. PHOTODEGRADATION STUDY OF METHYLENE BLUE (MB) TRAPPED IN POLY (METHYL METHACRYLATE) PMMA) MATRIX . Suranaree J. Sci. Technol. Vol. 11 No. 2; April-June 2004

B.Z. Azmi *, H.S. Liaw, W.M.M. Yunus, M. Hashim, M.M. Moksin, W.M.D.W. Yusoff Normalisation procedure in thermal wave approach of thermal diffusivity measurement of solids using pyroelectric sensor . Infrared Physics & Technology 45 (2004) 315–321

Z. Zainal , N. Saravanan , K. Anuar , M.Z. Hussein a, W.M.M. Yunus . Chemical bath deposition of tin selenide thin films. Materials Science and Engineering B107 (2004) 181–185

Z. Zainal 1, S. Nagalingam 1, A. Kassim 1, M.Z. Hussein 1, W.M.M. Yunus 2. Tin Selenide Thin Films Prepared Through Combination of Chemical Precipitation and Vacuum Evaporation Technique. Materials Science, Vol 21, No. 2 2003, page 225-233.

Abu Bakar and W.Mahmood. Effect of the Annealing time on the optical properties selenium thin film . Suranaree J. Sci. Technol. 8, 1.2. 2001.pdf file

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MY RESEARCH INTEREST

2008-04-30T14:34:00.010+08:00

Optical Materials, Optical and Electrical Properties of Materials, Non-Linear Optics, Photothermal and Photoacoustic, Surface Plasmon Resonance, Thermal Diffusivity and Thermal Conductivity, Semiconductor Thin Film. Metal Silicide.

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Publication 2008

2008-04-22T08:15:00.070+08:00

1. Z.A. Talib, W.M. Daud, E.Z.M. Tarmizi, H.A.A. Sidek and W. Mahmood Mat Yunus. Optical Absorption Spectrum of Cu2O-CaO-P2O5 Glasses. Journal of Physics and Chemistry of Solids, Volume 69, Issue 8, August 2008, Pages 1969-1973

2. Chan Kok Sheng, W. Mahmood Mat Yunus, Wan Md. Zin Wan Yunus, Zainal Abidin Talib, Anuar Kassim, Characterization of Thermal, Optical and Carrier Transport Properties of Porous Silicon Using Photoacoustic Technique, Physica B: Condensed Matter Volume 403, Issue 17, 1 August 2008, Pages 2634-2638 doi:10.1016/j.physb.2008.01.029

3. M Haydari, M M Moksin,A E Abdelrahman, M Deraman, W Mahmood Mat Yunus, and I V Grozescu Thermal Diffusivity of Carbon Pellets (CPs) Treated with KOH American Journal of Applied Sciences 5 (2): 165-168, 2008.

4. M. Ranjbar, W. M. M. Yunus, M. Z. bin Hussein, M. M. H. A. Moksin, and M. Haydari. Thermal Diffusivity Measurement of Zinc-Aluminum-Layered Double Hydroxide Using Photoflash Technique. AIP Conf. Proc. 1017, 417-421 (2008)

5. A. Zakaria, Z. Rizwan, M. Hashim, A. Halim Shaari, and W. Mohmood Mat Yunus. Photopyroelectric spectroscopy of Sb2O3 - ZnOceramics. Eur. Phys. J. Special Topics 153, 33–35 (2008)
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6. Firas Kamel Mohamad Al-asfoor, W. Mahmood Mat Yunus, Azmi Zakaria, Mohd Maarof Moksin, Noor Jawad Ridha and L.Y.C. Josephine. Thermal Effusivity Measurement of Virgin Coconut Oil-Methanol Mixtures using Photoacoustic Technique. American J. of Engineering and Applied Sciences 1 (3): 200-203, 2008

7. Azmi Zakaria, Zahid Rizwan, Mohd Sabri Mohd Ghazali, Abdul Halim Shaari,
W. Mahmood Mat Yunus and Mansor Hashim. DETERMINATION OF THE ENERGY BAND-GAP OF THE CERAMIC ZnO -xTiO2 USING PHOTOPYROELECTRIC SPECTROSCOPY. Solid State Science and Technology, Vol. 16, No 1 (2008) 85-92

8. Z.A. Talib, L.Y.C. Josephine, W.M.M. Yunus, Z, Zainal, S.A. Halim, M.M. Moksin, K.P. Lim, W.D.W. Yusoff. STRUCTURAL AND ELECTRICAL CONDUCTIVITY STUDIES OF
POLYCRYSTALLINE COPPER SELENIDE AT LOW TEMPERATURE Solid State Science and Technology, Vol. 16, No 1 (2008) 147-152

9. M. Haydari, M. M. Moksin, W.Mahmood Mat Yunus, V.I. Grozescu, Z.A. Wahab, and B. Z. Azmi. Application of square optical heating pulse model in measuring thermal diffusivity of SiC/B4C composites by using photoflash technique. Nondestructive Testing and Evaluation Vol.23 No. 3 2008, 163-173

10. Nurul Izrini Ikhsan, W.Mahmood Mat Yunus, Zainal Abidin Talib and Zaidan Abdul Wahab, Surface plasmon resonance measurement of polyethylene glycol in water. J. Fizik Mal. 29 (3& 4), 59- 62 (2008).

11. L.Y.C. Joseohine, Z.A. Talib, W.Mahmood Mat Yunus, S.A. Halim. M.M. Moksin, W. D. W. Yusoff, K. P. Lima and Z. Zainal. Photoacoustic characterization of CuSe metal chalcogenide semiconductor using phase signal analysis. J. Fizik Mal. 29 (3& 4), 77-80 (2008).

12. M. M. Aiza, Zaidan Abdul Wahab, W.Mahmood mat Yunus, H.E. Norfarezah. Thermal duffusivity of SnO2-CuO ceramic at room temperature. Pertanika Journal of Science & Technology Vol. 16(2) Jul. 2008, page 265.

13. Zahid Rizwan, Azmi Zakaria, W.Mahmood mat Yunus, Mansor Hashim and Abdul Halim Shaari. Photopyroelectric spectrum of MnO2 doped Bi2O3-TiO2-ZnO ceramic combination. Pertanika Journal of Science & Technology Vol. 16(2) Jul. 2008, page 275.

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Publication 2007

2008-04-19T12:36:00.020+08:00

Rosmiza Mokhtar, Zainul Abidin Hassan W. Mahmood Mat Yunus, and Zainal Abidin Talib. Multi layer Analysis Using the Phenomenon of Surface Plasmon Resonance. . J. Fizik Malaysia Vol. 28 No. 3 & 4 (2007), 83-91

Azmi Zakaria, Z. Rizwan, M. Hashim, S. A. Halim, W. Mahmood Mat Yunus and Z. A Sulaiman. Effect of Sintering Time on Photothermal Spectrum of the Ceramic MnO2-Y2O3-ZnO. J. Fizik Malaysia Vol. 28 No. 3 & 4 (2007), 115-119

Azmi Zakaria, Z. Rizwan, S. A. Halim, W. Mahmood Mat Yunus. M. Hashim. Photothermal study of ZnO ceramic doped with TiO2. Journal of Solid State Science and Technology Vol. 15 No. 2 (2007), 34-43

Norkamizah Mohd Nor, W. Mahmood Mat Yunus., Zainal Abidin Talib, Mohd Maarof Moksin and Salina A. Khosnan Thermal and Electrical Behavor of (CdTe)1-xTex Composite System Journal of Solid State Science and Technology Letters, Vol. 14 No. 2 2007, 38-44

Chan Kok Sheng, W. Mahmood Mat Yunus., Wan Mad Zin Wan Yunus, Zainal Abidin Talib and Annuar Kassim Photoacoustic Technique for Measuring Band-gap Energy of Porous Silicon Layer on n-Si Substrate Journal of Solid State Science and Technology Vol. 15 No. 2 (2007), 16-21

L.Y.C. Josephine, Z.A. Talib, W. Mahmood Mat Yunus., Z. Zainal M.M. Moksin, K.P. Lim and W.D.W. Yusoff Structural and Thermal Diffusivity Studies of Polycrystalline (CuSe)1-xSex Metal Chalcogenide Compound. American Institute of Physics Conference Proceedings, 909, 243-247, 2007

W. Y. W. Yusmawati, H. P. Chuah and W. Mahmood Mat Yunus (2007). Optical Properties and Sugar Content Determination of Commercial Carbonated Drinks Using Surface Plasmon Resonance. Am. J. Applied Sci. 4(1), 1- 4

Lim Mei Yee, H.N.M. Ekaramul Mahmud, Anuar Kassim and W. Mahmood Mat Yunus (2007). Polypyrrole-polyethylene glycol conducting polymer composite film: Preparation and characterization. Synthetic Metals 157 (2007) 386-389.

W. Y. W. Yusmawati and W. Mahmood Mat Yunus (2007). Optical Properties and Kinetic Behavior of Chlorine in Pure Water and Swimming Pool Water Using Surface Plasmon Resonance Technique. Am. J. Applied Sci. 4(12), 1024- 1028.

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