Short Notice: Metal-insulator transition in single crystals Y1-zPrzBa2Cu3O7-d

被引：0

作者：

Khadzhai, G. Ya. ^{[1
]}

Solovjov, A. L. ^{[1
,2
,4
]}

Panchenko, N. G. ^{[3
]}

Vovk, M. R. ^{[1
]}

Vovk, R. V. ^{[1
,3
]}

机构：

[1] Kharkov Natl Univ, Kharkiv, Ukraine

[2] Natl Acad Sci Ukraine, BI Verkin Inst Low Temp Phys & Engn, Kiev, Ukraine

[3] Ukrainian State Univ Railway Transport, Kharkiv, Ukraine

[4] Polish Acad Sci Wroclaw, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland

来源：

LOW TEMPERATURE PHYSICS | 2022年 / 48卷 / 07期

关键词：

high-temperature superconductivity; metal-insulator transition; doping; PSEUDO-GAP STATE; EXCESS CONDUCTIVITY; COMPOUNDS R=Y; PRASEODYMIUM; SUPERCONDUCTIVITY; ANISOTROPY; SYSTEM; PARACONDUCTIVITY; TEMPERATURE; TRANSPORT;

D O I：

10.1063/10.0011607

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The aim was to conduct comparative studies of the evolution of conductivity along and across the base ab plane in Y 1 - z P r z B a 2 C u 3 O 7 - delta single crystals at different degrees of praseodymium doping in a wide range of concentrations 0 & LE; z & LE; 0.5. It is established that the increase in the degree of praseodymium doping in samples Y 1 - z P r z B a 2 C u 3 O 7 - delta leads to increased effects of localization and implementation in the system of metal-insulator type transition, which always precedes the superconducting transition. Increasing the concentration of praseodymium leads to a significant shift in the beginning of the metal-insulator transition at the low temperature region. Published under an exclusive license by AIP Publishing.

引用

页码：576 / 579

页数：4

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