HYSTERETIC JOSEPHSON-JUNCTION BEHAVIOR OF BA1-XKXBIO3 GRAIN-BOUNDARY JUNCTIONS USING SRTIO3 BICRYSTAL SUBSTRATES

被引：8

作者：

TAKAMI, T ^{[1
]}

KURODA, K ^{[1
]}

KATAOKA, M ^{[1
]}

WADA, Y ^{[1
]}

TERADA, K ^{[1
]}

TANIMURA, J ^{[1
]}

KOJIMA, K ^{[1
]}

NUNOSHITA, M ^{[1
]}

机构：

[1] MITSUBISHI ELECTR CORP, MAT & ELECTR DEVICES LAB, AMAGASAKI, HYOGO 661, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1994年 / 33卷 / 7B期

关键词：

SUPERCONDUCTOR; GRAIN BOUNDARY; TUNNEL JUNCTION; SRTIO3; BA(1-X)K(X)BIO3;

D O I：

10.1143/JJAP.33.L1004

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have fabricated Ba1-xKxBiO3 artificial grain boundary junctions with low resistance on a SrTiO3 bicrystal substrate. These junctions show hysteretic junction behavior with a clear superconducting energy gap structure and Josephson current. The area resistance was low; it ranged from 5.2 x 10(-8) to 2.0 x 10(-5) OMEGA.CM2. The I(c)R(n) product of the 20-mum-wide junction was 3.5 mV at 4.2 K. The gap voltage increased as the heater temperature increased and reached about 8 mV. A weak magnetic field applied normal to the substrate induced a Fraunhofer-type pattern.

引用

页码：L1004 / L1006

页数：3

共 10 条

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JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1995, 34 (10B): : L1348 - L1351
[2] Aiming for SIS mixers using Ba1-xKxBiO3 bicrystal junctions
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[3] Bi-epitaxial YBCO grain boundary Josephson junctions on SrTiO3 and sapphire substrates
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PHYSICA C, 1996, 269 (3-4): : 255 - 267
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NANO LETTERS, 2021, 21 (21) : 9138 - 9145
[5] Grain and grain-boundary study of acceptor doped SrTiO3 ceramics using impedance spectroscopy
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[6] MICROSCOPIC STUDY OF AN ARTIFICIAL GRAIN-BOUNDARY JOSEPHSON JUNCTION IN A BISRCACUO THIN-FILM FORMED ON A SRTIO3(110) SUBSTRATE USING A MGO BUFFER LAYER
TANIMURA, J
TAKAMI, T
KURODA, K
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JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1993, 32 (1A-B): : L51 - L53
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[10] Properties of (Hg0.9Re0.1)Ba2CaCu2Oγ grain boundary junctions on SrTiO3 and (LaAlO3)0.3-(SrAl0.5Ta0.5O3)0.7 substrates with different misorientation angles
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JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 2002, 41 (2A): : 583 - 589

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