Comparative Analysis of the Methods for Obtaining Superconducting Fe1 + ySexTe1 – x Single Crystals


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Аннотация

The Fe1 + ySexTe1 – x single crystals grown by the KCl flux and Bridgman methods have been compared using the same investigation techniques. It is shown that the KCl flux growth yields high-quality Fe1 + ySexTe1 – x superconducting single crystals. The oxygen diffusion coefficient in Fe1 + ySexTe1 – x has been estimated. During the Bridgman crystal growth, a stable nonsuperconducting phase can be formed, which suggests a need for refining the phase diagram of this compound.

Авторлар туралы

M. Golubkov

Lebedev Physical Institute, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: golubkov@lebedev.ru
Ресей, Moscow, 119991

J. Gorina

Lebedev Physical Institute, Russian Academy of Sciences

Email: golubkov@lebedev.ru
Ресей, Moscow, 119991

V. Rodin

Lebedev Physical Institute, Russian Academy of Sciences

Email: golubkov@lebedev.ru
Ресей, Moscow, 119991

N. Sentjurina

Lebedev Physical Institute, Russian Academy of Sciences

Email: golubkov@lebedev.ru
Ресей, Moscow, 119991

V. Stepanov

Lebedev Physical Institute, Russian Academy of Sciences

Email: golubkov@lebedev.ru
Ресей, Moscow, 119991

S. Chernook

Lebedev Physical Institute, Russian Academy of Sciences; Fiber Optics Research Center, Russian Academy of Sciences

Email: golubkov@lebedev.ru
Ресей, Moscow, 119991; Moscow, 119333

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