Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma
The 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 Sb...
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th-cmuir.6653943832-66052014-08-30T03:24:24Z Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma Suriwong T. Thongtem T. Thongtem S. The 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. 2014-08-30T03:24:24Z 2014-08-30T03:24:24Z 2011 Article 17500443 10.1049/mnl.2010.0227 http://www.scopus.com/inward/record.url?eid=2-s2.0-79952714055&partnerID=40&md5=8160d7a4cd53ba15e05f225de757137d http://cmuir.cmu.ac.th/handle/6653943832/6605 English |
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The 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. |
| format |
Article |
| author |
Suriwong T. Thongtem T. Thongtem S. |
| spellingShingle |
Suriwong T. Thongtem T. Thongtem S. Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| author_facet |
Suriwong T. Thongtem T. Thongtem S. |
| author_sort |
Suriwong T. |
| title |
Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| title_short |
Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| title_full |
Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| title_fullStr |
Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| title_full_unstemmed |
Direct energy gap of Sb2Te3 synthesised by solid-state microwave plasma |
| title_sort |
direct energy gap of sb2te3 synthesised by solid-state microwave plasma |
| publishDate |
2014 |
| url |
http://www.scopus.com/inward/record.url?eid=2-s2.0-79952714055&partnerID=40&md5=8160d7a4cd53ba15e05f225de757137d http://cmuir.cmu.ac.th/handle/6653943832/6605 |
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1681420645151277056 |