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Paramagnetic Meissner Effect at High Fields in Y_(1−x)Ca_xBa_2Cu_3O_(7−δ) (x = 0.05, 0.125, 0.2) films

Li, Qing and Feng, Zhenjie and Yu, Chuan and Chu, Hao and Yin, Xunqing and Cao, Yiming and Lu, Bo and Jing, Chao and Deng, Dongmei and Cao, Shixun and Zhang, Jincang (2017) Paramagnetic Meissner Effect at High Fields in Y_(1−x)Ca_xBa_2Cu_3O_(7−δ) (x = 0.05, 0.125, 0.2) films. Journal of Superconductivity and Novel Magnetism, 30 (2). pp. 293-295. ISSN 1557-1939. https://resolver.caltech.edu/CaltechAUTHORS:20161109-072802981

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Abstract

We report on systematic field-cooled magnetization experiments on three different Y_(1−x)Ca_xBa_2Cu_3O_(7−δ) (x = 0.05, 0.125, 0.2) film samples. The samples are made by pulsed laser deposition (PLD) method. Magnetic fields ranging from 0.02 T up to 5 T are applied and a paramagnetic response related to the superconducting state is observed when a strong field is applied parallel to the Cu–O plane. The magnitude of the high field paramagnetic moment (HFPME) increases as the field is increased. For x < 0.2 the paramagnetic moment increases with x. However, for x>0.2, the paramagnetic moment abruptly decreases. We discuss our results in terms of the flux compression scenario in the sample modulated by Ca concentration.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/s10948-016-3705-xDOIArticle
http://link.springer.com/article/10.1007%2Fs10948-016-3705-xPublisherArticle
http://rdcu.be/pqOYPublisherFree ReadCube access
ORCID:
AuthorORCID
Feng, Zhenjie0000-0003-3114-7390
Chu, Hao0000-0002-1989-9517
Alternate Title:Paramagnetic Meissner Effect at High Fields in Y1−xCaxBa2Cu3O7−δ (x = 0.05, 0.125, 0.2) films
Additional Information:© 2016 Springer Science+Business Media New York. Received: 26 July 2016; Accepted: 13 August 2016; Published online: 20 August 2016. The research was supported by Ministry Science and Technology of the People’s Republic of China (2016YFB0700504), the Shanghai Pujiang Program (13PJD015), Science & Technology commission of Shanghai Municipality (13ZR1415200, 13JC1402400, 11dz1100305), National Natural Science Foundation of China (NSFC, No. 51372149, 51371111, 61571280). Partly Supported by Shanghai Key Laboratory of High Temperature Superconductors (No. 14DZ2260700).
Funders:
Funding AgencyGrant Number
Ministry of Science and Technology (China)2016YFB0700504
Shanghai Pujiang Program13PJD015
Shanghai Municipality Science and Technology Commission13ZR1415200
Shanghai Municipality Science and Technology Commission13JC1402400
Shanghai Municipality Science and Technology Commission11dz1100305
National Natural Science Foundation of China51372149
National Natural Science Foundation of China51371111
National Natural Science Foundation of China61571280
Shanghai Key Laboratory of High Temperature Superconductors14DZ2260700
Subject Keywords:Paramagnetic Meissner effect; Ca-doped; YBCO
Issue or Number:2
Record Number:CaltechAUTHORS:20161109-072802981
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20161109-072802981
Official Citation:Li, Q., Feng, Z., Yu, C. et al. J Supercond Nov Magn (2017) 30: 293. doi:10.1007/s10948-016-3705-x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71854
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Nov 2016 18:08
Last Modified:03 Oct 2019 16:11

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