Charge carriers in La0.67-xYxBa0.33MnO3

被引:11
作者
Bebenin, NG
Loshkareva, NN
Sukhorukov, YP
Nossov, AP
Zainullina, RI
Vassiliev, VG
Slobodin, BV
Demchuk, KM
Ustinov, VV
机构
[1] Russian Acad Sci, Ural Div, Inst Met Phys, Ekaterinburg 620219, Russia
[2] Russian Acad Sci, Ural Div, Inst Solid State Chem, Ekaterinburg 620219, Russia
基金
俄罗斯基础研究基金会;
关键词
magnetically ordered materials; optical properties; order-disorder effect;
D O I
10.1016/S0038-1098(98)00030-1
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Magnetic, magnetotransport and optical properties are experimentally studied. The mechanism of conduction is found to be different below and above the Curie temperature. This difference is explained by a shift of the mobility edge due to magnetic disorder. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:357 / 361
页数:5
相关论文
共 25 条
[1]   CONSIDERATIONS ON DOUBLE EXCHANGE [J].
ANDERSON, PW ;
HASEGAWA, H .
PHYSICAL REVIEW, 1955, 100 (02) :675-681
[2]   OPTICAL STUDY OF ELECTRONIC-STRUCTURE IN PEROVSKITE-TYPE RMO(3) (R=LA, Y M=SC, TI, V, CR, MN, FE, CO, NI, CU) [J].
ARIMA, TH ;
TOKURA, Y .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1995, 64 (07) :2488-2501
[3]   Infrared response of ordered polarons in layered perovskites [J].
Calvani, P ;
Paolone, A ;
Dore, P ;
Lupi, S ;
Maselli, P ;
Medaglia, PG .
PHYSICAL REVIEW B, 1996, 54 (14) :R9592-R9595
[4]   EFFECTS OF DOUBLE EXCHANGE IN MAGNETIC CRYSTALS [J].
DEGENNES, PG .
PHYSICAL REVIEW, 1960, 118 (01) :141-154
[5]   Grain-boundary effects on the magnetoresistance properties of perovskite manganite films [J].
Gupta, A ;
Gong, GQ ;
Xiao, G ;
Duncombe, PR ;
Lecoeur, P ;
Trouilloud, P ;
Wang, YY ;
Dravid, VP ;
Sun, JZ .
PHYSICAL REVIEW B, 1996, 54 (22) :15629-15632
[6]   Spin-polarized intergrain tunneling in La-2/Sr-3(1)/3MnO3 [J].
Hwang, HY ;
Cheong, SW ;
Ong, NP ;
Batlogg, B .
PHYSICAL REVIEW LETTERS, 1996, 77 (10) :2041-2044
[7]  
KLINGER MI, 1977, PHYS STATUS SOLIDI B, V79, P9, DOI 10.1002/pssb.2220790102
[8]   ANDERSON LOCALIZATION IN FERROMAGNETIC SEMICONDUCTORS DUE TO SPIN DISORDER .1. NARROW CONDUCTION-BAND [J].
KOGAN, EM ;
AUSLENDER, MI .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1988, 147 (02) :613-620
[9]  
LOSHKAREVA NN, IN PRESS
[10]   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