The evidence of phase separation in perovskite manganites aboveTc

H Tian, JF Zang, T Ding, W Zheng, X Wang - Journal of Wuhan University …, 2004 - Springer
A series of bulk ceramic samples of La 1− x Ca x Mn0 3 and Y 1− x Ca x MnO 3 was
prepared by the conventional solid state reaction method, and the samples of x= 1/3 were …

Structural and transport properties for Al-and Fe-doping La0. 67Ca0. 33MnO3 perovskite manganese

C Yu-Jian, J Guang-Qiang, H Yan-Bing… - Chinese Physics …, 2004 - iopscience.iop.org
The effects of Al and Fe ion doping in Mn sites was studied for the colossal La 0.67 Ca 0.33
MnO 3 magnetoresistance material. It was found that when the Fe-doping amount x …

Magnetotransport properties of La0.67Ca0.33MnO3 with different grain sizes

LS Ewe, I Hamadneh, H Salama, NA Hamid, SA Halim… - Applied Physics A, 2009 - Springer
The magnetotransport and magnetoresistive (MR) properties of manganese-based La 0.67
Ca 0.33 MnO 3 perovskite with different grain sizes are reported. The electrical resistivity …

Effect of annealing on polycrystalline La1− xNaxMnOz ceramics

ZQ Li, EY Jiang, DX Zhang, DL Hou, WC Li, HL Bai - Physics Letters A, 2000 - Elsevier
The structure, magnetic and transport properties of La1− xNaxMnOz manganese perovskite
prepared by Pechini process were investigated. Low field magnetoresistance in temperature …

Observation of colossal positive and negative magnetoresistance in perovskite-type manganese oxide Nd0. 67Ca0. 33MnO3

XX Zhang, JM Hernandez - Europhysics letters, 1999 - iopscience.iop.org
The co-existence of colossal positive and negative magnetoresistance has been observed
in a perovskite-type material Nd 0.67 Ca 0.33 MnO 3. The hysteretic behavior of resistivity in …

Effects of Ag Doping on Magnetoresistance of La0. 833 K0. 167MnO3 Polycrystalline Perovskite Manganites

W Jian, Z Shi-Yuan - Chinese Physics Letters, 2004 - iopscience.iop.org
The microstructure, magnetic and transport properties of the heterogeneous system with a
nominal composition (1/m) Ag 2 O-La 0.833 K 0.167 MnO 3 (1/m is molar ratio with m= 32 …

Magnetic and transport properties of oxygen-deficient perovskite manganites

Z Wei, J Hong-Ying, W Xiao-Ling… - Chinese physics …, 2003 - iopscience.iop.org
Abstract Effects of oxygen deficiency on the magnetic and transport properties of La 2/3 Ba
1/3 MnO 3-δ polycrystalline perovskites have been investigated. As the nonstoichiometry …

Enhancement of the magnetoresistance due to structural transition in Mg‐doped perovskite Mn oxides

A Anane, C Dupas, K Le Dang, JP Renard… - Applied physics …, 1996 - pubs.aip.org
Substitution of magnesium for manganese in mixed perovskite La1− x Sr x MnO3was found
to reduce the electrical conductivity and the Curie temperature T c. A remarkable jump in the …

Colossal magnetoresistance properties of the manganese perovskites La0.7−xYxCa0.3MnO3−δ

A Maignan, C Simon, V Caignaert… - Journal of applied …, 1996 - pubs.aip.org
Colossal magnetoresistance (CMR) properties have been evidenced for the manganese
perovskites La0. 7− x Y x Ca0. 3MnO3− δ with 0.01≤ x≤ 0.20. This system is compared to …

[引用][C] Structural and Transport Properties for A1-and Fe-Doping La0. 67Ca0. 33MnO3 Perovskite Manganese

崔玉建, 贾广强, 韩雁冰, 李金波, 王新燕, 葛洪良… - 中国物理快报: 英文版, 2004