Pressure-Temperature-Magnetic field phase diagram of ferromagnetic kondo lattice cerupo

Hisashi Kotegawa; Toshihiro Toyama; Shunsaku Kitagawa; Hideki Tou; Ryota Yamauchi; Eiichi Matsuoka; Hitoshi Sugawara

doi:10.7566/JPSJ.82.123711

Pressure-Temperature-Magnetic field phase diagram of ferromagnetic kondo lattice cerupo

Hisashi Kotegawa, Toshihiro Toyama, Shunsaku Kitagawa, Hideki Tou, Ryota Yamauchi, Eiichi Matsuoka, Hitoshi Sugawara

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

We report the temperature-pressure-magnetic field phase diagram made from electrical resistivity measurements for the ferromagnetic (FM) Kondo lattice CeRuPO. The ground state at zero field changes from the FM state to another state, which is suggested to be an antiferromagnetic (AFM) state, above ̃ 0:7 GPa, and the magnetically ordered state is completely suppressed at ̃ 2:8 GPa. In addition to the collapse of the AFM state under pressure and a magnetic field, a metamagnetic (MM) transition from a paramagnetic state to a polarized paramagnetic state appears. CeRuPO will give us a rich playground for understanding the mechanism of the MM transition under comparable FM and AFM correlations in the Kondo lattice.

Original language	English
Article number	123711
Journal	journal of the physical society of japan
Volume	82
Issue number	12
DOIs	https://doi.org/10.7566/JPSJ.82.123711
Publication status	Published - Dec 2013
Externally published	Yes

Keywords

CeRuPO
Ferromagnetic Kondo lattice
Metamagnetism
Pressure

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.7566/JPSJ.82.123711

Cite this

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title = "Pressure-Temperature-Magnetic field phase diagram of ferromagnetic kondo lattice cerupo",

abstract = "We report the temperature-pressure-magnetic field phase diagram made from electrical resistivity measurements for the ferromagnetic (FM) Kondo lattice CeRuPO. The ground state at zero field changes from the FM state to another state, which is suggested to be an antiferromagnetic (AFM) state, above{\~ } 0:7 GPa, and the magnetically ordered state is completely suppressed at{\~ } 2:8 GPa. In addition to the collapse of the AFM state under pressure and a magnetic field, a metamagnetic (MM) transition from a paramagnetic state to a polarized paramagnetic state appears. CeRuPO will give us a rich playground for understanding the mechanism of the MM transition under comparable FM and AFM correlations in the Kondo lattice.",

keywords = "CeRuPO, Ferromagnetic Kondo lattice, Metamagnetism, Pressure",

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T1 - Pressure-Temperature-Magnetic field phase diagram of ferromagnetic kondo lattice cerupo

AU - Kotegawa, Hisashi

AU - Toyama, Toshihiro

AU - Kitagawa, Shunsaku

AU - Tou, Hideki

AU - Yamauchi, Ryota

AU - Matsuoka, Eiichi

AU - Sugawara, Hitoshi

PY - 2013/12

Y1 - 2013/12

N2 - We report the temperature-pressure-magnetic field phase diagram made from electrical resistivity measurements for the ferromagnetic (FM) Kondo lattice CeRuPO. The ground state at zero field changes from the FM state to another state, which is suggested to be an antiferromagnetic (AFM) state, above ̃ 0:7 GPa, and the magnetically ordered state is completely suppressed at ̃ 2:8 GPa. In addition to the collapse of the AFM state under pressure and a magnetic field, a metamagnetic (MM) transition from a paramagnetic state to a polarized paramagnetic state appears. CeRuPO will give us a rich playground for understanding the mechanism of the MM transition under comparable FM and AFM correlations in the Kondo lattice.

AB - We report the temperature-pressure-magnetic field phase diagram made from electrical resistivity measurements for the ferromagnetic (FM) Kondo lattice CeRuPO. The ground state at zero field changes from the FM state to another state, which is suggested to be an antiferromagnetic (AFM) state, above ̃ 0:7 GPa, and the magnetically ordered state is completely suppressed at ̃ 2:8 GPa. In addition to the collapse of the AFM state under pressure and a magnetic field, a metamagnetic (MM) transition from a paramagnetic state to a polarized paramagnetic state appears. CeRuPO will give us a rich playground for understanding the mechanism of the MM transition under comparable FM and AFM correlations in the Kondo lattice.

KW - CeRuPO

KW - Ferromagnetic Kondo lattice

KW - Metamagnetism

KW - Pressure

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Pressure-Temperature-Magnetic field phase diagram of ferromagnetic kondo lattice cerupo

Abstract

Keywords

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