Growth and Characterization of Sb 2 Se 3 Single Crystals for Fundamental Studies

Hobson, Theodore D. C., Hutter, Oliver, Birkett, Max, Veal, Tim D. and Durose, Ken (2018) Growth and Characterization of Sb 2 Se 3 Single Crystals for Fundamental Studies. In: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC). IEEE, Piscataway, 0818-0822. ISBN 9781538685297

GrowthandCharacterisationofSb2Se3SingleCrystalsforFundamentalStudies.pdf - Accepted Version

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Three methods of growing bulk crystalline samples of Sb2 Se3 to provide material for basic studies have been investigated and preliminary racterization is reported. These growth methods were: A) melt-growth, similar to vertical Bridgman, b) dynamic vapor transport over a temperature gradient (Piper-Polich method) and c) a static vapor method in which the source material is transported in nearly iso-thermal conditions. The melt-growth method produced the largest single crystals (up to 4 mm diameter), while the vapor methods both yielded polycrystalline boules with mm-sized grains. Powder XRD confirmed the boules to comprise orthorhombic Sb2 Se3, having lattice parameters a = 11.7808 Å b = 3.9767 Å and c = 11.6311 Å. Cleavage facets were parallel to (100). Raman peaks at 191 (A g and 211 cm -1 were excited anisotropically. FTIR reflectance features showed some sensitivity to s- and ppolarization.

Item Type: Book Section
Uncontrolled Keywords: Antimony selenide, Crystal growth, Raman spectroscopy, Single crystal, X-ray diffraction
Subjects: F100 Chemistry
F200 Materials Science
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: John Coen
Date Deposited: 04 May 2020 10:40
Last Modified: 31 Jul 2021 18:17

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