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Magnetism and superconductivity in ErNi2B2C
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UNSPECIFIED (2002) Magnetism and superconductivity in ErNi2B2C. In: International Symposium on Advances in Superconductivity and Magnetism: Materials, Mechanisms, and Devices (ASMM2D-2001), MUMBAI, INDIA, SEP 25-28, 2001. Published in: PRAMANA-JOURNAL OF PHYSICS, 58 (5-6). pp. 907-911. ISSN 0304-4289.
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Abstract
We have performed a series of neutron diffraction experiments from the magnetic order and the vortex lattice in single crystal ErNi2B2C. The incommensurate magnetic structure develops additional even harmonics below the 'ferromagnetic' ordering temperature, T-F of 2.3 K. This feature and the existence of rods of diffuse scattering suggest the development of ferromagnetic microdomain walls. The magnetic structure is very sensitive to the application of a magnetic field with changes in modulation vector and harmonic content. Studies of the vortex lattice show the presence of a 45degrees reorientation transition and a distorted hexagonal to square transition as a function of applied field. Further distortions of the vortex lattice occur at T-N, but no changes are seen at TF.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PRAMANA-JOURNAL OF PHYSICS | ||||
Publisher: | INDIAN ACADEMY SCIENCES | ||||
ISSN: | 0304-4289 | ||||
Official Date: | May 2002 | ||||
Dates: |
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Volume: | 58 | ||||
Number: | 5-6 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 907-911 | ||||
Publication Status: | Published | ||||
Title of Event: | International Symposium on Advances in Superconductivity and Magnetism: Materials, Mechanisms, and Devices (ASMM2D-2001) | ||||
Location of Event: | MUMBAI, INDIA | ||||
Date(s) of Event: | SEP 25-28, 2001 |
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