Josephine Ying Chyi Liew

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Featured researches published by Josephine Ying Chyi Liew.

Materials Science Forum | 2013

Preparation and Thermal Stability Characterization of Copper Tin Selenide Semiconductor Nanoparticles

Josephine Ying Chyi Liew; Zainal Abidin Talib; Mat Yunus Wan Mahmood; Zulkarnain Zainal

Copper tin selenide (Cu2SnSe3) nanoparticle powders were successfully synthesized via chemical precipitation method at room temperature. Elemental composition analysis determined byenergy dispersive X-ray confirmed that the Cu2SnSe3 nanoparticles were successfully formed. Field emission scanning electron and transmission electron micrograph showed the presence of homogeneous distribution of the small spherical nanoparticles in the Cu2SnSe3 powders. The thermal stability of the Cu2SnSe3 structure has been investigated by X-ray diffraction at temperatures ranging from 100 to 523 K. Differential scanning calorimetry and thermogravimetric analysis have been conducted to evaluate the thermal stability and it is found that the maximum temperature of the Cu2SnSe3 nanoparticles can withstand until 600 K. The results show that Cu2SnSe3 nanoparticles exhibited a stable structure at temperature range of 100 – 523 K.

Journal of Superconductivity and Novel Magnetism | 2015

Synthesis of Bulk FeTe1−xSex (x = 0.1−0.5) at Ambient Pressure

Edmund H. H. Lim; K. Y. Tan; Josephine Ying Chyi Liew; M. M. Awang Kechik; S. A. Halim; Soo Kien Chen; Kar Ban Tan; X. Qi

Malaysian Journal of Fundamental and Applied Sciences | 2014

Electrical Properties of Polypyrrole Conducting Polymer at Various Dopant Concentrations

Norfazlinayati Othman; Zainal Abidin Talib; Anuar Kassim; Abdul Halim Shaari; Josephine Ying Chyi Liew

Archive | 2008

Structural and electrical conductivity studies of polycrystalline copper selenide at low temperature

Zainal Abidin Talib; Josephine Ying Chyi Liew; Wan Mahmood Mat Yunus; Zulkarnain Zainal; Abdul Halim Shaari; Mohd Maarof Abd. Moksin; Kean Pah Lim; Wan Mohamad Daud Wan Yusoff

Journal of Superconductivity and Novel Magnetism | 2017

Room Temperature Dielectric Properties of Polycrystalline FeTe 1− x Se x ( x = 0.0–0.5)

Edmund H. H. Lim; Josephine Ying Chyi Liew; M. M. Awang Kechik; S. A. Halim; Kar Ban Tan; Oon Jew Lee; Soo Kien Chen

Applied Physics A | 2017

Preparation of polycrystalline FeTe1−xSx (x = 0.00–0.30) via solid-state reaction method at ambient pressure

Edmund H. H. Lim; Josephine Ying Chyi Liew; M. M. Awang Kechik; S. A. Halim; Soo Kien Chen; Kar Ban Tan; X. Qi

Sains Malaysiana | 2016

Synthesis of zinc selenide/graphene oxide composite via direct and indirect hydrothermal method

Han Kee Lee; Josephine Ying Chyi Liew; Zainal Abidin Talib; Mohammad Shuhazlly Mamat; Janet Hong Ngee Lim; Fakhrurrazi Ashari; Yong Jian Leong; Fu Dee Chang; Burhanuddin Yeop Majlis

Sains Malaysiana | 2016

Optical characterization of colloidal zinc selenide quantum dots prepared through hydrothermal method

Fakhrurrazi Ashari; Josephine Ying Chyi Liew; Zainal Abidin Talib; W. Wahmood Wan Yunus; Yong Jian Leong; Han Kee Lee; Fu Dee Chang; Burhanuddin Yeop Majlis

Archive | 2014

Deposition and Characterization of SnSe and CuInSe 2 Thin Films by Thermal Evaporation Technique from Synthesized SnSe and CuInSe 2 Sources (Pengenapan dan Pencirian Filem Nipis SnSe dan CuInSe 2 dengan Kaedah Penyejatan Haba Menggunakan SnSe dan CuInSe 2 Sebagai Bahan Sumber)

Nordin Sabli; Zainal Abidin Talib; Chang Chung Bin; W. Mahmood; Mat Yunus; Zulkarnain Zainal; Hikmat S. Hilal; Josephine Ying Chyi Liew; Ying Chyi; Masatoshi Fujii

Archive | 2009

Electrical conductivity studies in polycrystalline (CuSe)1-xSex

Zainal Abidin Talib; Josephine Ying Chyi Liew; Zulkarnain Zainal; Wan Mahmood Mat Yunus; Kean Pah Lim; Wan Mohamad Daud Wan Yusoff; Mohd Maarof Abd. Moksin

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