Pressure induced successive magnetic phase transitions in Pr2CuO4-y

S. Katano; R. M. Nicklow; S. Funahashi; N. Môri; T. Kobayashi; J. Akimitsu

doi:10.1016/0921-4534(93)90368-Z

Pressure induced successive magnetic phase transitions in Pr₂CuO_4-y

S. Katano, R. M. Nicklow, S. Funahashi, N. Môri, T. Kobayashi, J. Akimitsu

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

7 Citations (Scopus)

Abstract

The effects of pressure on the antiferromagnetic long-range ordering in Pr₂CuO_4-y have been studied between 0.25 and 0.75 GPa by neutron diffraction experiments at temperatures down to 12K. Under a pressure of 0.25 GPa, successive magnetic phase transitions are observed at T_N ≈ 250 K and T₁ ≈ 170 K, as was reported previously. Upon further cooling in the present experiments another transition has been found at T₂ ≈ 50 K. These magnetic phase transitions can be attributed to spin reorientations induced under high pressure. The temperature T₁ increases at a rate of about 40 K/GPa with pressure; on the other hand, T₂ decreases greatly at - 120 K/Gpa.

Original language	English
Pages (from-to)	92-96
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	215
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(93)90368-Z
Publication status	Published - Sep 20 1993
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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title = "Pressure induced successive magnetic phase transitions in Pr2CuO4-y",

abstract = "The effects of pressure on the antiferromagnetic long-range ordering in Pr2CuO4-y have been studied between 0.25 and 0.75 GPa by neutron diffraction experiments at temperatures down to 12K. Under a pressure of 0.25 GPa, successive magnetic phase transitions are observed at TN ≈ 250 K and T1 ≈ 170 K, as was reported previously. Upon further cooling in the present experiments another transition has been found at T2 ≈ 50 K. These magnetic phase transitions can be attributed to spin reorientations induced under high pressure. The temperature T1 increases at a rate of about 40 K/GPa with pressure; on the other hand, T2 decreases greatly at - 120 K/Gpa.",

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T1 - Pressure induced successive magnetic phase transitions in Pr2CuO4-y

AU - Katano, S.

AU - Nicklow, R. M.

AU - Funahashi, S.

AU - Môri, N.

AU - Kobayashi, T.

AU - Akimitsu, J.

PY - 1993/9/20

Y1 - 1993/9/20

N2 - The effects of pressure on the antiferromagnetic long-range ordering in Pr2CuO4-y have been studied between 0.25 and 0.75 GPa by neutron diffraction experiments at temperatures down to 12K. Under a pressure of 0.25 GPa, successive magnetic phase transitions are observed at TN ≈ 250 K and T1 ≈ 170 K, as was reported previously. Upon further cooling in the present experiments another transition has been found at T2 ≈ 50 K. These magnetic phase transitions can be attributed to spin reorientations induced under high pressure. The temperature T1 increases at a rate of about 40 K/GPa with pressure; on the other hand, T2 decreases greatly at - 120 K/Gpa.

AB - The effects of pressure on the antiferromagnetic long-range ordering in Pr2CuO4-y have been studied between 0.25 and 0.75 GPa by neutron diffraction experiments at temperatures down to 12K. Under a pressure of 0.25 GPa, successive magnetic phase transitions are observed at TN ≈ 250 K and T1 ≈ 170 K, as was reported previously. Upon further cooling in the present experiments another transition has been found at T2 ≈ 50 K. These magnetic phase transitions can be attributed to spin reorientations induced under high pressure. The temperature T1 increases at a rate of about 40 K/GPa with pressure; on the other hand, T2 decreases greatly at - 120 K/Gpa.

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