Field dependence of magnetic transitions for magnetic superconductors RNi2B2C (R=Dy, Ho)

H. C. Ku; M. S. Lin; Y. Y. Hsu; J. H. Shieh; Y. B. You

doi:10.1063/1.362152

Field dependence of magnetic transitions for magnetic superconductors RNi₂B₂C (R=Dy, Ho)

H. C. Ku^*, M. S. Lin, Y. Y. Hsu, J. H. Shieh, Y. B. You

^*此作品的通信作者

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

2 引文斯高帕斯（Scopus）

摘要

High field (up to 5 T) magnetization measurements were performed on both bulk and field-aligned powder samples of RNi₂B₂C (R=Dy, Ho) magnetic superconductors. For T_c=3.8 K, a DyNi₂B₂C superconductor with antiferromagnetic Néel temperature T_N of 10-11 K, and anomalous field-induced weak-ferromagnetic transitions were observed above the superconducting upper critical field H_c2(2 K) of 1.75 kG. The aligned powders show distinct hysteresis characteristics for both fields applied parallel and perpendicular to the tetragonal basal plane. For T_c=7.8 K, HoNi₂B₂C has an incommensurate magnetic ordering temperature T_m of 6 K and T_N of 5.2 K. Anomalous field-induced weak-ferromagnetic transitions were also observed below T_N. No hysteresis can be detected for T_N<T<T_m.

原文	英語
頁（從 - 到）	5863-5865
頁數	3
期刊	Journal of Applied Physics
卷	79
發行號	8 PART 2B
DOIs	https://doi.org/10.1063/1.362152
出版狀態	已發佈 - 1996 4月 15
對外發佈	是

ASJC Scopus subject areas

一般物理與天文學

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10.1063/1.362152

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title = "Field dependence of magnetic transitions for magnetic superconductors RNi2B2C (R=Dy, Ho)",

abstract = "High field (up to 5 T) magnetization measurements were performed on both bulk and field-aligned powder samples of RNi2B2C (R=Dy, Ho) magnetic superconductors. For Tc=3.8 K, a DyNi2B2C superconductor with antiferromagnetic N{\'e}el temperature TN of 10-11 K, and anomalous field-induced weak-ferromagnetic transitions were observed above the superconducting upper critical field Hc2(2 K) of 1.75 kG. The aligned powders show distinct hysteresis characteristics for both fields applied parallel and perpendicular to the tetragonal basal plane. For Tc=7.8 K, HoNi2B2C has an incommensurate magnetic ordering temperature Tm of 6 K and TN of 5.2 K. Anomalous field-induced weak-ferromagnetic transitions were also observed below TN. No hysteresis can be detected for TN<T<Tm.",

author = "Ku, {H. C.} and Lin, {M. S.} and Hsu, {Y. Y.} and Shieh, {J. H.} and You, {Y. B.}",

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AU - Ku, H. C.

AU - Lin, M. S.

AU - Hsu, Y. Y.

AU - Shieh, J. H.

AU - You, Y. B.

PY - 1996/4/15

Y1 - 1996/4/15

N2 - High field (up to 5 T) magnetization measurements were performed on both bulk and field-aligned powder samples of RNi2B2C (R=Dy, Ho) magnetic superconductors. For Tc=3.8 K, a DyNi2B2C superconductor with antiferromagnetic Néel temperature TN of 10-11 K, and anomalous field-induced weak-ferromagnetic transitions were observed above the superconducting upper critical field Hc2(2 K) of 1.75 kG. The aligned powders show distinct hysteresis characteristics for both fields applied parallel and perpendicular to the tetragonal basal plane. For Tc=7.8 K, HoNi2B2C has an incommensurate magnetic ordering temperature Tm of 6 K and TN of 5.2 K. Anomalous field-induced weak-ferromagnetic transitions were also observed below TN. No hysteresis can be detected for TN<T<Tm.

AB - High field (up to 5 T) magnetization measurements were performed on both bulk and field-aligned powder samples of RNi2B2C (R=Dy, Ho) magnetic superconductors. For Tc=3.8 K, a DyNi2B2C superconductor with antiferromagnetic Néel temperature TN of 10-11 K, and anomalous field-induced weak-ferromagnetic transitions were observed above the superconducting upper critical field Hc2(2 K) of 1.75 kG. The aligned powders show distinct hysteresis characteristics for both fields applied parallel and perpendicular to the tetragonal basal plane. For Tc=7.8 K, HoNi2B2C has an incommensurate magnetic ordering temperature Tm of 6 K and TN of 5.2 K. Anomalous field-induced weak-ferromagnetic transitions were also observed below TN. No hysteresis can be detected for TN<T<Tm.

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Field dependence of magnetic transitions for magnetic superconductors RNi2B2C (R=Dy, Ho)

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Field dependence of magnetic transitions for magnetic superconductors RNi₂B₂C (R=Dy, Ho)