Pressure-induced re-entrant electronic and magnetic state in Pr0.7Ca0.3MnO3 manganite

被引：23

作者：

Cui, C ^{[1
]}

Tyson, TA ^{[1
]}

机构：

[1] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 14期

关键词：

D O I：

10.1063/1.1614843

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In Pr0.7Ca0.3MnO3, pressure induces re-entrant magnetic and electronic state changes in the range from 1 atm to similar to6 GPa. The metal-insulator and magnetic transition temperatures coincide from similar to1 to 5 GPa, decouple outside of this range, and do not change monotonically with pressure. The effects may be explained by pressure-tuned competition between double exchange and super exchange. The insulating state induced by pressure above similar to5 GPa is possibly ferromagnetic, different from the ferromagnetic and antiferromagnetic phase-separated insulating state below similar to0.8 GPa. (C) 2003 American Institute of Physics.

引用

页码：2856 / 2858

页数：3

共 24 条

[21] Effects of film thickness and lattice mismatch on strain states and magnetic properties of La0.8Ca0.2MnO3 thin films [J].

Rao, RA ;

Lavric, D ;

Nath, TK ;

Eom, CB ;

Wu, L ;

Tsui, F .

JOURNAL OF APPLIED PHYSICS, 1999, 85 (08) :4794-4796

[22] Magnetic-field-induced metal-insulator phenomena in Pr1-xCaxMnO3 with controlled charge-ordering instability [J].

Tomioka, Y ;

Asamitsu, A ;

Kuwahara, H ;

Moritomo, Y ;

Tokura, Y .

PHYSICAL REVIEW B, 1996, 53 (04) :R1689-R1692

[23] Bandwidth-control-induced insulator-metal transition in Pr-0.65(Ca1-ySry)(0.35)MnO3 and Pr0.7Ca0.3MnO3 [J].

Yoshizawa, H ;

Kajimoto, R ;

Kawano, H ;

Tomioka, Y ;

Tokura, Y .

PHYSICAL REVIEW B, 1997, 55 (05) :2729-2732

[24] NEUTRON-DIFFRACTION STUDY OF THE MAGNETIC-FIELD-INDUCED METAL-INSULATOR-TRANSITION IN PR0.7CA0.3MNO3 [J].

YOSHIZAWA, H ;

KAWANO, H ;

TOMIOKA, Y ;

TOKURA, Y .

PHYSICAL REVIEW B, 1995, 52 (18) :13145-13148

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