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Phase transitions and optical absorption edge in CuInP2Se6 layered ferrielectrics
Temperature studies of optical absorption spectra in the range of the fundamental absorption edge for layered CuInP2Se6 single crystals obtained by the technique combining recrystallization and vapor‐phase transport, are reported. The temperature behavior of the absorption‐edge spectra is the eviden...
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| Published in: | Physica status solidi. A, Applied research Applied research, 2003-08, Vol.198 (2), p.487-494 |
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| Main Authors: | , , , , , |
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| cited_by | cdi_FETCH-LOGICAL-c3257-685c47a9d7417355214adff36cf863be4430b5e0f0dbbe1f4da2473369d0c69f3 |
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| container_end_page | 494 |
| container_issue | 2 |
| container_start_page | 487 |
| container_title | Physica status solidi. A, Applied research |
| container_volume | 198 |
| creator | Studenyak, I. P. Mykajlo, O. A. Stephanovich, V. O. Gurzan, M. I. Vysochanskii, Yu. M. Cajipe, V. B. |
| description | Temperature studies of optical absorption spectra in the range of the fundamental absorption edge for layered CuInP2Se6 single crystals obtained by the technique combining recrystallization and vapor‐phase transport, are reported. The temperature behavior of the absorption‐edge spectra is the evidence for the es‐sential changes of the dynamical disordering of CuInP2Se6 crystal structure at second‐order (T0 ≈ 249 K) and first‐order (Tc ≈ 236 K) phase transitions. The present anomalous temperature hysteresis and the “glass‐like” behavior of the exponential absorption edge in the intermediate phase resemble those being observed in the incommensurate phases of ferroelectrics. |
| doi_str_mv | 10.1002/pssa.200306637 |
| format | article |
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The present anomalous temperature hysteresis and the “glass‐like” behavior of the exponential absorption edge in the intermediate phase resemble those being observed in the incommensurate phases of ferroelectrics.</description><identifier>ISSN: 0031-8965</identifier><identifier>EISSN: 1521-396X</identifier><identifier>DOI: 10.1002/pssa.200306637</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><subject>64.70.Kb ; 77.80.Bh ; 78.40.Ha</subject><ispartof>Physica status solidi. A, Applied research, 2003-08, Vol.198 (2), p.487-494</ispartof><rights>Copyright © 2003 WILEY‐VCH Verlag GmbH & Co. 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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | 64.70.Kb 77.80.Bh 78.40.Ha |
| title | Phase transitions and optical absorption edge in CuInP2Se6 layered ferrielectrics |
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