Vortex penetration in YBCO thin film strips observed by THz radiation imaging

被引：6

作者：

Tonouchi, M ^{[1
]}

Yamashita, M ^{[1
]}

Hangyo, M ^{[1
]}

机构：

[1] Osaka Univ, Res Ctr Supercond Mat & Elect, Suita, Osaka 5650871, Japan

来源：

PHYSICA B | 2000年 / 284卷

关键词：

femtosecond laser; YBaCuO films; terahertz radiation; vortex penetration;

D O I：

10.1016/S0921-4526(99)02161-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We observe magnetic flux penetration into YBCO thin film strips under magnetic fields less than 1 mT or in the remanent state. The THz radiation images are qualitatively transferred into the magnetic field distribution images. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：853 / 854

页数：2

共 4 条

[1] Observation of supercurrent distribution in YBa2Cu3O7-δ thin films using THz radiation excited with femtosecond laser pulses [J].

Shikii, S ;

Kondo, T ;

Yamashita, M ;

Tonouchi, M ;

Hangyo, M ;

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APPLIED PHYSICS LETTERS, 1999, 74 (09) :1317-1319

[2] Ultrashort electromagnetic pulse radiation from YBCO thin films excited by femtosecond optical pulse [J].

Tonouchi, M ;

Tani, M ;

Wang, Z ;

Sakai, K ;

Tomozawa, S ;

Hangyo, M ;

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Nakashima, SI .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1996, 35 (5A) :2624-2632

[3] Terahertz emission properties from flux-trapped YBCO thin films [J].

Tonouchi, M ;

Wada, N ;

Shikii, S ;

Hangyo, M ;

Tani, M ;

Sakai, K .

PHYSICA C, 1997, 293 (1-4) :82-86

[4] Novel terahertz radiation from flux-trapped YBa2Cu3O7-delta thin films excited by femtosecond laser pulses [J].

Tonouchi, M ;

Tani, M ;

Wang, Z ;

Sakai, K ;

Wada, N ;

Hangyo, M .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1997, 36 (2A) :L93-L95

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