Crossover from charge-localized state to charge-ordered state in Pr2/3Ca1/3MnO3

被引：50

作者：

DeTeresa, JM

Ibarra, MR

Marquina, C

Algarabel, PA

Oseroff, S

机构：

[1] UNIV ZARAGOZA,INST CIENCIA MAT ARAGON,ZARAGOZA 50009,SPAIN

[2] CSIC,E-50009 ZARAGOZA,SPAIN

[3] SAN DIEGO STATE UNIV,DEPT PHYS,SAN DIEGO,CA 92182

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.54.R12689

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In Pr2/3Ca1/3MnO3, we have found a crossover from a charge-localized state to a charge-ordered (CO) state. Linear-thermal-expansion and magnetostriction measurements up to 14 T show that for temperatures below T-p similar to 400 K a charge localization is present as in the case of La2/3Ca1/3MnO3. Below T(CO)approximate to 210 K, a charge ordering, as found in some R(0.5)A(0.5)MnO(3) (R-A=La-Ca, Pr-Ca, Pr-Sr, Nd-Sr) compounds, is observed. A magnetic field suppresses the CO state below T-CO giving rise to a first-order structural transition. A continuous change in volume is measured between T-CO<T<T-p. The electrical behavior is similar to the structural behavior, and is the result of the strong spin-charge-lattice coupling present in the colossal-magnetoresistance perovskites.

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页码：12689 / 12692

页数：4

相关论文

共 22 条

[11] INFLUENCE OF CHARGE AND MAGNETIC-ORDERING ON THE INSULATOR-METAL TRANSITION IN PR1-XCAXMNO3 [J].

LEES, MR ;

BARRATT, J ;

BALAKRISHNAN, G ;

PAUL, DMK ;

YETHIRAJ, M .

PHYSICAL REVIEW B, 1995, 52 (20) :14303-14307

[12] DOUBLE EXCHANGE ALONE DOES NOT EXPLAIN THE RESISTIVITY OF LA1-XSRXMNO3 [J].

MILLIS, AJ ;

LITTLEWOOD, PB ;

SHRAIMAN, BI .

PHYSICAL REVIEW LETTERS, 1995, 74 (25) :5144-5147

[13] Dynamic Jahn-Teller effect and colossal magnetoresistance in La1-xSrxMnO3 [J].

Millis, AJ ;

Shraiman, BI ;

Mueller, R .

PHYSICAL REVIEW LETTERS, 1996, 77 (01) :175-178

[14] Electronic aspects of the ferromagnetic transition in manganese perovskites [J].

Park, JH ;

Chen, CT ;

Cheong, SW ;

Bao, W ;

Meigs, G ;

Chakarian, V ;

Idzerda, YU .

PHYSICAL REVIEW LETTERS, 1996, 76 (22) :4215-4218

[15] STRUCTURAL STUDY OF PR1-XCAXMNO3 AND Y1-XCAXMNO3 PEROVSKITES [J].

POLLERT, E ;

KRUPICKA, S ;

KUZMICOVA, E .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1982, 43 (12) :1137-1145

[16] SIMULTANEOUS STRUCTURAL, MAGNETIC, AND ELECTRONIC-TRANSITIONS IN LA1-XCAXMNO3 WITH X=0.25 AND 0.50 [J].

RADAELLI, PG ;

COX, DE ;

MAREZIO, M ;

CHEONG, SW ;

SCHIFFER, PE ;

RAMIREZ, AP .

PHYSICAL REVIEW LETTERS, 1995, 75 (24) :4488-4491

[17] Thermodynamic and electron diffraction signatures of charge and spin ordering in La1-xCaxMnO3 [J].

Ramirez, AP ;

Schiffer, P ;

Cheong, SW ;

Chen, CH ;

Bao, W ;

Palstra, TTM ;

Gammel, PL ;

Bishop, DJ ;

Zegarski, B .

PHYSICAL REVIEW LETTERS, 1996, 76 (17) :3188-3191

[18] Lattice effects in the colossal-magnetoresistance manganites [J].

Roder, H ;

Zang, J ;

Bishop, AR .

PHYSICAL REVIEW LETTERS, 1996, 76 (08) :1356-1359

[19] COLLAPSE OF A CHARGE-ORDERED STATE UNDER A MAGNETIC-FIELD IN PR1/2SR1/2MNO3 [J].

TOMIOKA, Y ;

ASAMITSU, A ;

MORITOMO, Y ;

KUWAHARA, H ;

TOKURA, Y .

PHYSICAL REVIEW LETTERS, 1995, 74 (25) :5108-5111

[20] 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