Equality of the entropies of the low-temperature zero-field upturn and the 
in-field Schottky anomalies in the specific heat of YBa2Cu3O7

Woodfield, B. F.; Fisher, R. A.; Phillips, N. E.; Caspary, R.; Hellmann, P.; Steglich, F.; Wolf, T.

doi:10.1016/0921-4534(94)90589-4

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Equality of the entropies of the low-temperature zero-field upturn and the in-field Schottky anomalies in the specific heat of YBa₂Cu₃O₇

Woodfield, B. F., Fisher, R. A., Phillips, N. E., Caspary, R., Hellmann, P., Steglich, F., et al. (1994). Equality of the entropies of the low-temperature zero-field upturn and the in-field Schottky anomalies in the specific heat of YBa₂Cu₃O₇. Physica C, 234(3-4), 380-384. doi:10.1016/0921-4534(94)90589-4.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-E534-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-E536-8

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Woodfield, B. F.¹, Author
Fisher, R. A.¹, Author
Phillips, N. E.¹, Author
Caspary, R.¹, Author
Hellmann, P.¹, Author
Steglich, F.², Author
Wolf, T.¹, Author

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1external, ou_persistent22
2External Organizations, ou_persistent22

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Abstract: Specific-heat measurements on a sample of YBa2Cu3O7 have been extended over a wide enough temperature interval to permit the determination of the entropies of both the zero-field ''upturn'' and the Schottky anomalies that occur in applied fields greater than a few tesla. Within the experimental uncertainty, these entropies are equal, consistent with a model in which both features are associated with the same low concentration of Cu2+ magnetic moments.

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Dates: Date issued: 1994-12-15

Publication Status: Issued

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Identifiers: ISI: A1994PY37800026
DOI: 10.1016/0921-4534(94)90589-4

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Title: Physica C

Source Genre: Journal

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Publ. Info: Amsterdam : North-Holland

Pages: - Volume / Issue: 234 (3-4) Sequence Number: - Start / End Page: 380 - 384 Identifier: ISSN: 0921-4534
CoNE: https://pure.mpg.de/cone/journals/resource/954925564683_1