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dc.contributor.authorT. Suriwongen_US
dc.contributor.authorT. Thongtemen_US
dc.contributor.authorS. Thongtemen_US
dc.description.abstractThe usefulness of microwave heating and microwave generation of plasma for solid-state synthesis of Sb2Te3 crystals is reported. Lengths of time and molar ratios of Sb:Te were varied to achieve pure products heated by a 900 W microwave-irradiated plasma. In the present research, the products were Sb2Te3 with a rhombohedral crystal system using 2:2, 2:1.75 and 2:1.5 molar ratios of Sb:Te, and lengths of time of 10 and 20 min. Their different crystallographic planes were also detected, including four Raman shifts at 93.9, 102.6, 139.2 and 263.7 cm-1, and direct energy gaps (Eg) in a range of 0.340-0.515 eV. © 2011 The Institution of Engineering and Technology.en_US
dc.subjectChemical Engineeringen_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleDirect energy gap of Sb2Te3 synthesised by solid-state microwave plasmaen_US
article.title.sourcetitleMicro and Nano Lettersen_US
article.volume6en_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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