Journal ArticleDOI
A probe for magnetization measurements of thin superconducting films in pulsed high magnetic fields
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TLDR
In this article, an inductive magnetization sensor was designed to measure thin superconducting films (of order 3000 A) in very strong magnetic fields, and the sensitivity of the probe was 10−2 emu.Abstract:
This paper describes an inductive magnetization sensor, designed to measure thin superconducting films (of order 3000 A) in very strong magnetic fields. For magnetic fields in the range 250–500 kG, the sensitivity of the probe is 10−2 emu. Accuracy and high sensitivity were obtained by combining a sample extraction system, vibration isolation, and an inductive sensor with optimized flux coupling geometry. The magnetic flux coupling to the sensor was verified to exceed 70%, both by calculation and experimental calibration.read more
Citations
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Journal ArticleDOI
Experimental techniques for pulsed magnetic fields
Fritz Herlach,Charles C. Agosta,Ria Bogaerts,W. Boon,I. Deckers,Alain De Keyser,Neil Harrison,Alexander Lagutin,L. Li,Lieven Trappeniers,Johan Vanacken,Luc Van Bockstal,Ann Van Esch +12 more
TL;DR: In this paper, the K.U. Leuven pulsed field laboratory is reviewed, including new 60 T user magnets, pulse shaping, decentralized data recording for multiple experiments, low temperature cryogenics, vibration damping, rotatable sample holders and sensitive magnetization measurements.
Journal ArticleDOI
Critical currents, pinning forces and irreversibility fields in (YxTm1−x)Ba2Cu3O7 single crystals with columnar defects in fields up to 50 T
Lieven Trappeniers,Johan Vanacken,L. Weckhuysen,Kris Rosseel,A. Yu. Didyk,I. N. Goncharov,L. I. Leonyuk,W. Boon,Fritz Herlach,Victor Moshchalkov,Y. Bruynseraede +10 more
TL;DR: In this paper, the influence of columnar defects, created by heavy-ion irradiation with doses up to 6×1011 Kr-ions/cm2, on the superconducting critical parameters of single crystalline (YxTm1−x)Ba2Cu3O7 magnetisation measurements in pulsed fields up to 50 T in the temperature range 42-90 K were performed.
Journal ArticleDOI
Modulation instability of the order parameter in thin-film superconductors with edge barrier
TL;DR: In this paper, the influence of the ideal edge barrier on the entry of vortices and on the magnetization curve of a thin superconducting film is studied within Ginzburg-Landau theory.
Journal ArticleDOI
Magnetization of Mn 1–x Fe x Si in high magnetic fields up to 50 T: Possible evidence of a field-induced Griffiths phase
S. V. Demishev,S. V. Demishev,A. N. Samarin,A. N. Samarin,Junwei Huang,V. V. Glushkov,V. V. Glushkov,I. I. Lobanova,I. I. Lobanova,N. E. Sluchanko,N. E. Sluchanko,N. M. Chubova,Vadim Dyadkin,Vadim Dyadkin,S. V. Grigoriev,S. V. Grigoriev,M. Yu. Kagan,M. Yu. Kagan,Johan Vanacken,V. V. Moshchalkov +19 more
Abstract: Magnetic properties of single crystals of Mn1–x
Fe
x
Si solid solutions with x < 0.2 are investigated by pulsed field technique in magnetic fields up to 50 T. It is shown that magnetization of Mn1–x
Fe
x
Si in the paramagnetic phase follows power law with the exponents M(B) ~ B
α, which starts above characteristic fields B
c
~ 1.5-7 T depending on the sample composition and lasts up to highest used magnetic field. Analysis of magnetization data including SQUID measurements in magnetic fields below 5 T suggests that this anomalous behavior may be likely attributed to the formation of a field-induced Griffiths phase in the presence of spin-polaron effects.
Journal ArticleDOI
Field-induced transitions of the intermetallic compound DyMn2Ge2
TL;DR: In this article, the magnetization of the free-powdered intermetallic compound DyMn 2 Ge 2 has been studied in steady and pulsed magnetic fields in the temperature range between 7 and 70 K. Several new field-induced magnetic phase transitions are observed, and the magnetic phase diagram in the field-temperature plane is constructed.
References
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Book
Magnetic Oscillations in Metals
TL;DR: In this paper, the de Haas-van Alphen effect and other oscillatory effects are discussed, including phase and spin-splitting effects, and the Dingle temperature is discussed.
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Physical properties of high temperature superconductors
TL;DR: In this paper, the authors describe the fundamental properties of high temperature superconductors in an organized and comprehensive manner, and provide a subject index for the user's convenience, which is a useful reference for research workers.
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High-field magnetism
TL;DR: In this article, the authors describe des differentes interactions elementaires dans un cristal contenant des atomes magnetiques, on montre que certaines interactions correspondent a des champs magnetiques tres eleves.
Journal Article
Strong and ultrastrong magnetic fields and their applications: introduction
TL;DR: Panorama mondial de la recherche experimentale dans le domaine des champs magnetiques intenses et hyperintenses (10 a 1000 T) as mentioned in this paper.
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