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题名: METAL-INSULATOR-TRANSITION AND SUPERCONDUCTIVITY IN Y1-XPR(CE)(X)BA2CU3O7
作者: HAN, RS ;  SU, ZB ;  WANG, YP
刊名: SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY & TECHNOLOGICAL SCIENCES
出版日期: 1994
卷号: 37, 期号:12, 页码:1464-1471
关键词: ELECTRONIC-STRUCTURE ;  NORMAL STATE ;  YBA2CU3O7-X ;  PRBA2CU3O7 ;  OXYGEN ;  TC ;  PR
学科分类: Physics
通讯作者: HAN, RS , CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA.
部门归属: BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; ACAD SINICA,CRYOGEN LAB,BEIJING 100080,PEOPLES R CHINA
英文摘要: To interpret the metal-insulator transition and depression of T-c induced by Pr-and Ce-doping in YBa2Cu3O7, we propose a model of mixed local hole states which describe a strong admixture of 4f(1) state with states of 4f(2) plus a hole in the CuO2 planes for Y-1-x. Pr-x-O-7 and 4f(0) state with states of 4f(1) plus a hole in Y1-xCex-O-7. Our model resolves the controversy between the magnetic and spectroscopic measurements. As a natural consequence, most of the experimental results on Y1-xPrx-O-7 can be explained and certain properties ofY(1-x)Ce(x)-O-7 are predicted. The critical doping density of Pr will take the value of x(C) approximate to 0.5.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11830
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
HAN, RS,SU, ZB,WANG, YP. METAL-INSULATOR-TRANSITION AND SUPERCONDUCTIVITY IN Y1-XPR(CE)(X)BA2CU3O7[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY & TECHNOLOGICAL SCIENCES,1994,37(12):1464-1471.
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