All Stories

  1. Optical band gap and surface morphology of AlN thin-film sputtered by HiPIMS on glass substrate

    Article • January 2023, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar, Zulkifli Azman

  2. Crystal quality and surface structure tuning of semi-polar (11–22) GaN on m-plane sapphire via in-situ multiple ammonia treatment

    Article • Thin Solid Films, March 2020, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  3. Electronic surface, optical and electrical properties of p – GaN activated via in-situ MOCVD and ex-situ thermal annealing in InGaN/GaN LED

    Article • Materials Science in Semiconductor Processing, February 2020, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  4. Poly(3-hexylthiophene-2,5-diyl) regioregular (P3HT) thin film as saturable absorber for passively Q-switched and mode-locked Erbium-doped fiber laser

    Article • Optical Fiber Technology, January 2020, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  5. Anodization voltage effect on physical properties of anodic TiO2 nanotube arrays film

    Article • January 2020, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar

  6. Alq 3 saturable absorber for generating Q‐switched pulses in erbium‐doped fiber laser

    Article • Microwave and Optical Technology Letters, November 2019, Wiley

    Ahmad Shuhaimi Bin Abu Bakar

  7. Impact of a Strained Periodic Multilayer on the Surface and Crystal Quality of a Semipolar (11–22) GaN Template

    Article • Crystal Growth & Design, September 2019, American Chemical Society (ACS)

    Ahmad Shuhaimi Bin Abu Bakar

  8. In-situ tuning of Sn doped In2O3 (ITO) films properties by controlling deposition Argon/Oxygen flow

    Article • Applied Surface Science, June 2019, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  9. Effects of pulse cycle number on the quality of pulsed atomic-layer epitaxy AlN films grown via metal organic chemical vapor deposition

    Article • Japanese Journal of Applied Physics, May 2019, Japan Society of Applied Physics

    Ahmad Shuhaimi Bin Abu Bakar

  10. Surface and optical characteristics of polycrystalline GaN layer with different pores profile of porous GaAs/GaAs substrate

    Article • Materials Research Express, May 2019, Institute of Physics Publishing

    Ahmad Shuhaimi Bin Abu Bakar

  11. Fabrication of InxGa1-xN/GaN Multi-Quantum well Structure for Green Light Emitting Diode on Patterned Sapphire Substrate by Metal Organic Chemical Vapour Deposition

    Article • Solid State Phenomena, April 2019, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  12. Improving Material Quality of Polycrystalline GaN by Manipulating the Etching Time of a Porous AlN Template

    Article • Journal of Electronic Materials, March 2019, Springer Science + Business Media

    Ahmad Shuhaimi Bin Abu Bakar

  13. Ammonia flux tailoring on the quality of AlN epilayers grown by pulsed atomic-layer epitaxy techniques on (0 0 0 1)-oriented sapphire substrates via MOCVD

    Article • CrystEngComm, January 2019, Royal Society of Chemistry

    Ahmad Shuhaimi Bin Abu Bakar

  14. Metal organic chemical vapor deposition of m-plane GaN epi-layer using a three-step approach towards enhanced surface morphology

    Article • Thin Solid Films, December 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar, Omar Al-Zuhairi

  15. Creating Energy-Efficient LEDs

    Article • Materials Science in Semiconductor Processing, November 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar, Omar Al-Zuhairi

  16. Observation of saturation transfer characteristics in solution processed vertical organic field-effect transistors (VOFETs) with high leakage current

    Article • Current Applied Physics, November 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  17. Standard pressure deposition of crack-free AlN buffer layer grown on c-plane sapphire by PALE technique via MOCVD

    Article • Superlattices and Microstructures, August 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  18. Effect of thermal interaction between bulk GaN substrates and corral sapphire on blue light emission InGaN/GaN multi-quantum wells by MOCVD

    Article • Superlattices and Microstructures, July 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  19. Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si

    Article • Applied Surface Science, June 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  20. Effect of low NH3 flux towards high quality semi-polar (11-22) GaN on m-plane sapphire via MOCVD

    Article • Superlattices and Microstructures, May 2018, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  21. Fabrications of Nanocomposite Gold-Polymer Metamaterials Consisting of Periodic Microcavities with Tunable Optical Properties

    Article • Optik, December 2017, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  22. Correlation between indium content in monolithic InGaN/GaN multi quantum well structures on photoelectrochemical activity for water splitting

    Article • Journal of Alloys and Compounds, June 2017, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  23. Nitrogen emission in reactive magnetron sputtering plasmas during the deposition of titanium nitride thin film

    Article • January 2017, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar

  24. Synthesis and characterization of InN nanocrystals on glass substrate by plasma assisted reactive evaporation

    Article • January 2017, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar

  25. First-principles calculation of structural, optoelectronic properties of the cubic Al Ga In1 N quaternary alloys matching on AlN substrate, within modified Becke–Johnson (mBJ) exchange potential

    Article • Optik, December 2016, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  26. High figure of merit of the post-annealed Ti/Al/ITO transparent conductive contacts sputter deposited on n-GaN

    Article • Journal of Alloys and Compounds, October 2016, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  27. Effect of nitridation surface treatment on silicon (1 1 1) substrate for the growth of high quality single-crystalline GaN hetero-epitaxy layer by MOCVD

    Article • Applied Surface Science, January 2016, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  28. Fabrication of nanostructured Al-doped ZnO thin film for methane sensing applications

    Article • January 2016, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar

  29. Effect of Sn dopant concentration on structural and electrical properties of ZnO nanostructures based methane gas sensor

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Ahmad Shuhaimi Bin Abu Bakar

  30. Effect of Dopant Concentration on Electrical and Optical Properties of Sn-Doped ZnO Thin Films Deposited by Sol-Gel Immersion Method

    Article • Advanced Materials Research, June 2015, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  31. Effect of Various Tin Doping Percentages on the Electrical and Structural Properties of Nanostructured Zinc Oxide Thin Films Deposited Using Sol-Gel Immersion Method for Gas Sensing Application

    Article • Advanced Materials Research, June 2015, Trans Tech Publications

    Ishak Saurdi, Ahmad Shuhaimi Bin Abu Bakar

  32. Electrical and Structural Properties of Nanostructured Tin Doped Zinc Oxide Deposited by Sol-Gel Immersion Method

    Article • Advanced Materials Research, June 2015, Trans Tech Publications

    Ishak Saurdi, Ahmad Shuhaimi Bin Abu Bakar

  33. Structural Properties of Sn-Doped ZnO Thin Films Deposited on Glass Substrate Using Sol-Gel Immersion Method

    Article • Advanced Materials Research, June 2015, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  34. Effect of using two-step thermal annealing with different ambient gas on Mg activation and crystalline quality in GaN

    Article • Superlattices and Microstructures, June 2015, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  35. Structural ordering, morphology and optical properties of amorphous AlxIn1−xN thin films grown by plasma-assisted dual source reactive evaporation

    Article • Journal of Alloys and Compounds, May 2015, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  36. Investigation of the electrochemical behavior of indium nitride thin films by plasma-assisted reactive evaporation

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Alagarsamy Pandikumar, Ahmad Shuhaimi Bin Abu Bakar

  37. One-pot sol–gel synthesis of reduced graphene oxide uniformly decorated zinc oxide nanoparticles in starch environment for highly efficient photodegradation of Methylene Blue

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Ramin Yousefi, Ahmad Shuhaimi Bin Abu Bakar

  38. Crystalline quality assessment, photocurrent response and optical properties of reduced graphene oxide uniformly decorated zinc oxide nanoparticles based on the graphene oxide concentration

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Ahmad Shuhaimi Bin Abu Bakar

  39. Nanocolumnar zinc oxide as a transparent conductive oxide film for a blue InGaN-based light emitting diode

    Article • Ceramics International, January 2015, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  40. Improved optoelectronics properties of ITO-based transparent conductive electrodes with the insertion of Ag/Ni under-layer

    Article • Applied Surface Science, October 2014, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  41. Effects of graphene oxide concentration on optical properties of ZnO/RGO nanocomposites and their application to photocurrent generation

    Article • Journal of Applied Physics, August 2014, American Institute of Physics

    Dr Ramin Yousefi, Ahmad Shuhaimi Bin Abu Bakar

  42. Plasma-assisted hot filament chemical vapor deposition of AlN thin films on ZnO buffer layer: toward highly c-axis-oriented, uniform, insulative films

    Article • Applied Physics A, August 2014, Springer Science + Business Media

    Ahmad Shuhaimi Bin Abu Bakar

  43. Characterization of ITO/Ag and ITO/Ni Bi-Layer Transparent Conductive Electrodes

    Article • Advanced Materials Research, August 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  44. Synthesis and characterization of ZnO NPs/reduced graphene oxide nanocomposite prepared in gelatin medium as highly efficient photo-degradation of MB

    Article • Ceramics International, August 2014, Elsevier

    Dr Ramin Yousefi, Ahmad Shuhaimi Bin Abu Bakar

  45. The effect of sputtering pressure on structural, optical and electrical properties of indium tin oxide nanocolumns prepared by radio frequency (RF) magnetron sputtering

    Article • Superlattices and Microstructures, August 2014, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  46. Nanostructured Al-doped ZnO-based gas sensor prepared using sol-gel spin-coating method

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Ahmad Shuhaimi Bin Abu Bakar

  47. Effect of annealing on structural, optical, and electrical properties of nickel (Ni)/indium tin oxide (ITO) nanostructures prepared by RF magnetron sputtering

    Article • Superlattices and Microstructures, June 2014, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  48. Post-Annealing Effects on ITO Thin Films RF Sputtered at Different Thicknesses on Si and Glass

    Article • Advanced Materials Research, April 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  49. Effect of Substrate Temperature on Structural and Morphological Properties of Indium Tin Oxide Nanocolumns Using RF Magnetron Sputtering

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  50. Effects of Growth Temperature on the Structural Properties of Zinc Oxide Nanograins Deposited by RF Magnetron Sputtering

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  51. Structural and Optical Properties of Nickel (Ni)/indium Tin Oxide (ITO) Thin-Films Deposited by RF Magnetron Sputtering

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  52. Structural and Optical Properties of Nickel-Doped Zinc Oxide Thin Film on Nickel Seed Layer Deposited by RF Magnetron Sputtering Technique

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  53. Modeling and simulation of metal organic halide vapor phase epitaxy (MOHVPE) growth chamber

    Article • Microsystem Technologies, January 2014, Springer Science + Business Media

    Ahmad Shuhaimi Bin Abu Bakar

  54. Structural, optical and electrical characterization of ITO, ITO/Ag and ITO/Ni transparent conductive electrodes

    Article • Applied Surface Science, January 2014, Elsevier

    Ahmad Shuhaimi Bin Abu Bakar

  55. Effect of Annealing on Surface of Nickel (Ni)/Indium Tin Oxide (ITO) Nanostructures Measured by Atomic Force Microscopy (AFM)

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  56. Effects of Oxygen Gas Composition on Nanocolumnar Zinc Oxide Properties Deposited by RF Magnetron Sputtering

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  57. Effects of Pressure Dependence on Nanocolumnar Zinc Oxide Deposited by RF Magnetron Sputtering

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  58. Influence of RF Magnetron Sputtering Pressure on the Structural, Optical, and Morphological Properties of Indium Tin Oxide Nanocolumns

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  59. Influence of Substrate Temperature on Morphological and Electrical Properties of Indium Tin Oxide Nanocolumns Prepared by RF Magnetron Sputtering

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  60. Study of Annealed Nickel (Ni)/Indium Tin Oxide (ITO) Nanostructures Prepared by RF Magnetron Sputtering

    Article • Advanced Materials Research, November 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  61. A Study on the Seebeck Effect of 3,4,9,10-Perylenetetracarboxylic Dianhydride (PTCDA) as a Novel N-Type Material in a Thermoelectric Device

    Article • Advanced Materials Research, March 2013, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  62. Compositional and Structural Characterization of Heterostructure InGaN-Based Light-Emitting Diode by High Resolution X-Ray Diffraction

    Article • Advanced Materials Research, December 2012, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  63. Electrical and Optical Characterization of Mg Doping in GaN

    Article • Advanced Materials Research, December 2012, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  64. Electronic properties and electrical characteristics of modified PEDOT:PSS as a buffer layer in organic solar cell

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Ahmad Shuhaimi Bin Abu Bakar

  65. Structural properties of InGaN-based light-emitting diode epitaxial growth on Si (111) with AlN/InGaN buffer layer

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Ahmad Shuhaimi Bin Abu Bakar

  66. PEDOT:PSS Thin Film as Transparent Electrode in ITO-Free Organic Solar Cell

    Article • Advanced Materials Research, April 2012, Trans Tech Publications

    Ahmad Shuhaimi Bin Abu Bakar

  67. InGaN-based blue LED grown on Si(111) substrate

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Ahmad Shuhaimi Bin Abu Bakar

  68. Effect of AlGaN∕GaN Strained-Layer Superlattices Underlayer to InGaN-based Multi-Quantum Wells Grown on Si(111) Substrate by MOCVD

    Article • January 2011, American Institute of Physics

    Ahmad Shuhaimi Bin Abu Bakar

  69. High performance InGaN LEDs on Si (1 1 1) substrates grown by MOCVD

    Article • Journal of Physics D Applied Physics, August 2010, Institute of Physics Publishing

    Ahmad Shuhaimi Bin Abu Bakar

  70. Effect of Al0.06Ga0.94N/GaN Strained-Layer Superlattices Cladding Underlayer to InGaN-Based Multi-Quantum Well Grown on Si(111) Substrate with AlN/GaN Intermediate Layer

    Article • Japanese Journal of Applied Physics, February 2010, Japan Society of Applied Physics

    Ahmad Shuhaimi Bin Abu Bakar

  71. Growth of InGaN-based laser diode structure on silicon (111) substrate

    Article • Journal of Physics Conference Series, March 2009, Institute of Physics Publishing

    Ahmad Shuhaimi Bin Abu Bakar