Single-crystalline InI—Material for infrared optics

P. P. Fedorov; S. V. Kuznetsov; E. L. Chuvilina; A. A. Gasanov; V. G. Plotnichenko; P. A. Popov; A. V. Matovnikov; V. V. Osiko

doi:10.1134/S1028335816060069

Single-crystalline InI—Material for infrared optics

Authors: Fedorov P.P.¹, Kuznetsov S.V.¹, Chuvilina E.L.², Gasanov A.A.³, Plotnichenko V.G.⁴, Popov P.A.⁵, Matovnikov A.V.⁵, Osiko V.V.¹
Affiliations:
1. Prokhorov General Physics Institute
2. OOO LANHIT-ltd
3. AO GIREDMET
4. Fiber Optics Research Center
5. Petrovskii Bryansk State University
Issue: Vol 61, No 6 (2016)
Pages: 261-265
Section: Physics
URL: https://journals.rcsi.science/1028-3358/article/view/191297
DOI: https://doi.org/10.1134/S1028335816060069
ID: 191297

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Abstract
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Abstract

The Bridgman–Stockbarger method is used for growing InI single crystals. The crystals are characterized by a perfect cleavage along (0k0). The long-wave IR transmission boundary amounts to 51 µm. For the first time, the thermal capacity and thermal conductivity are measured in the intervals of 80–300 and 50–300 K, respectively. The crystals have a high thermal capacity and a low thermal conductivity (C = 52.7 J/(mol K) and k = 0.58 W/(m K) at 300 K).