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ANISOTROPIC VORTEX LATTICE IN YBA2CU3O7
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UNSPECIFIED (1993) ANISOTROPIC VORTEX LATTICE IN YBA2CU3O7. PHYSICAL REVIEW LETTERS, 71 (18). pp. 3019-3022. ISSN 0031-9007.
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Abstract
We report on small angle neutron scattering observations of the flux line lattice (FLL) in a single crystal of YBa2Cu3O7. To probe the mass anisotropy ratio, m3/m1, measurements were made as a function of angle, THETA, between the 8 kOe applied field and the crystallographic (001) axis for 0-degrees less-than-or-equal-to THETA less-than-or-equal-to 80-degrees. With the rotation about an a/b (or y) axis, two symmetry-related distorted hexagonal FLL domains formed. Contrary to theoretical prediction, the lattices formed are consistent with a rotation of the short basis vector, a1, from the x axis by 15-degrees, after the effects of anisotropy are removed. The mass ratio is 20 +/- 2, which is slightly lower than published values. The temperature dependence of the intensity is not conventional.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW LETTERS | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 1 November 1993 | ||||
Dates: |
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Volume: | 71 | ||||
Number: | 18 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 3019-3022 | ||||
Publication Status: | Published |
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