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- Title
Short-term synthesis of poly- and single-crystalline iron monochalcogenides.
- Authors
Volkov, M. P.; Melekh, B. A.-T.; Bakharev, V. I.; Kartenko, N. F.
- Abstract
Poly- and single-crystalline samples of the Fe(Se,Te)1 − δ system have been synthesized for short times by annealing bulk iron in chalcogen vapors and by reacting powdered iron with chalcogen melts. The lattice unit cell parameters and critical temperatures ( Tc) of the superconducting transition in the synthesized compounds agree with published data for the materials obtained by long-term synthesis using other methods. For Fe(Se0.8Te0.2)0.82 block crystals, the temperature dependence of the second critical field in the vicinity of Tc is linear with a slope of −4.9 T/K.
- Subjects
CHALCOGENIDES; CRYSTALS; IRON; INORGANIC compounds; CHALCOGENS
- Publication
Technical Physics Letters, 2010, Vol 36, Issue 3, p251
- ISSN
1063-7850
- Publication type
Academic Journal
- DOI
10.1134/S1063785010030156