Reflection of light from La0.67Ba0.33MnO3

被引:6
作者
Loshkareva, NN [1 ]
Sukhorukov, YP [1 ]
Nosov, AP [1 ]
Demchuk, KM [1 ]
Vebenin, NG [1 ]
Vasilev, VG [1 ]
Slobodin, BV [1 ]
机构
[1] RUSSIAN ACAD SCI, INST SOLID STATE CHEM, URAL BRANCH, EKATERINBURG 620219, RUSSIA
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1134/1.1130093
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The reflection spectra of La0.67Ba0.33MnO3 ceramic samples prepared with different annealing times in oxygen are investigated, It is shown that conduction is implemented both by low-mobility carriers (polarons) and by comparatively mobile band-type carriers. (C) 1997 American Institute of Physics.
引用
收藏
页码:1440 / 1441
页数:2
相关论文
共 13 条
[1]   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
[2]  
FIRSOV YA, 1975, POLARONS COLLECTION
[3]  
METHFESSEL S, 1972, HDB PHYSIK 1, V18, P389
[4]  
Nagaev EL, 1996, USP FIZ NAUK+, V166, P833, DOI 10.1070/PU1996v039n08ABEH000161
[5]  
NAGAEV EL, 1979, PHYSICS MAGNETIC SEM
[6]   The effect of annealing on the magnetoresistance of polycrystalline (La-Y-Ca)MnO3 perovskites [J].
Nossov, A ;
Pierre, J ;
Vassiliev, V ;
Ustinov, V .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1996, 8 (44) :8513-8524
[7]  
NUNTZREGUEIRO JE, 1996, J APPL PHYS, V79, P5179
[8]   ANOMALOUS VARIATION OF OPTICAL-SPECTRA WITH SPIN POLARIZATION IN DOUBLE-EXCHANGE FERROMAGNET - LA1-XSRXMNO3 [J].
OKIMOTO, Y ;
KATSUFUJI, T ;
ISHIKAWA, T ;
URUSHIBARA, A ;
ARIMA, T ;
TOKURA, Y .
PHYSICAL REVIEW LETTERS, 1995, 75 (01) :109-112
[9]   Semiconductor-metal transition and magnetoresistance in (La,Ca)MnO3: Experiments and simple model [J].
Pierre, J ;
Robaut, F ;
Misat, S ;
Strobel, P ;
Nossov, A ;
Ustinov, V ;
Vassiliev, V .
PHYSICA B, 1996, 225 (3-4) :214-224
[10]  
SAMOKHVALOV AA, 1988, FIZ MET METALLOVED+, V65, P930