Anisotropic antiferromagnetism in Ca9La5Cu24O41

U. Ammerahl; C. Kerpen; B. Büchner; R. Gross; A. Revcolevschi

doi:10.1016/S0921-4534(00)00548-7

Anisotropic antiferromagnetism in Ca₉La₅Cu₂₄O₄₁

U. Ammerahl, C. Kerpen, B. Büchner, R. Gross, A. Revcolevschi

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

Abstract

We present specific heat measurements of a Ca₉La₅Cu₂₄O₄₁single crystal in magnetic fields up to 14 T along the three principal crystallographic axes. Anomalies of the specific heat indicating long-range antiferromagnetic order exhibit a strong anisotropy with respect to the field orientation. In addition, no evidence for a spin-flop phase could be found down to 4 K representing an unusual feature for S = 1/2 copper magnetism.

Originalsprache	Englisch
Seiten (von - bis)	471-472
Seitenumfang	2
Fachzeitschrift	Physica C: Superconductivity and its Applications
Jahrgang	341-348
Ausgabenummer	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(00)00548-7
Publikationsstatus	Veröffentlicht - 2000
Extern publiziert	Ja

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10.1016/S0921-4534(00)00548-7

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abstract = "We present specific heat measurements of a Ca9La5Cu24O41single crystal in magnetic fields up to 14 T along the three principal crystallographic axes. Anomalies of the specific heat indicating long-range antiferromagnetic order exhibit a strong anisotropy with respect to the field orientation. In addition, no evidence for a spin-flop phase could be found down to 4 K representing an unusual feature for S = 1/2 copper magnetism.",

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AU - Revcolevschi, A.

PY - 2000

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AB - We present specific heat measurements of a Ca9La5Cu24O41single crystal in magnetic fields up to 14 T along the three principal crystallographic axes. Anomalies of the specific heat indicating long-range antiferromagnetic order exhibit a strong anisotropy with respect to the field orientation. In addition, no evidence for a spin-flop phase could be found down to 4 K representing an unusual feature for S = 1/2 copper magnetism.

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