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STRUCTURE AND MAGNETIC PROPERTIES OF Fe/Pd COMPOSITIONALLY MODULATED FILMS

ZHANG Lin , LIU Yihua Shandong University , Jinan , China WANG Hao Dongnan University , Nanjing , China engineer , Department of Physics , Shandong University , Jinan 250100 , China

金属学报(英文版)

Metal Fe/Pd compositionally modulated films(CMFs) were prepared by vapour depo- sition from two sources onto glass substrate under vacuum.The modulation and crystal structures of the films were examined by X-ray diffraction.The magnetic properties were determined by vibrating sample magnetometer.The Pd layers in the Fe/Pd CMFs are of fcc structure,and the Fe layer structure transits from bcc into amorphous,state with decreasing thickness of Fe layer.The dependence of specific saturation magnetization on thickness of Fe layers has also been discussed.

关键词: compositionally modulated films , null , null

MAGNETIC PROPERTIES OF AMORPHOUS CoZr SOFT MAGNETIC FILMS

LIU Yihua Shandong University , Jinan , ChinaYA NG Linqian Huaqiao University , Quanzhou , Fujian , China LIU Yihua Associate Professor , Dept.of Physics , Shandong University , Jinan 250100 , China

金属学报(英文版)

The amorphous CoZr soft magnetic films with superior properties were prepared by radio-frequency sputtering under pressure of 0.5Pa Ar.The saturation magnetization of the amorphous CoZr films with relation to the Zr content and temperature was investigated.The amorphous CoZr films composed of different constituents obey the Bloch T~(3/2)-low in a wide range of temperatures.The number of electrons transferred from each Zr atom to 3d energy band of Co calculated by the rigid band model is about 2.27.

关键词: amorphous alloy , null , null , null

Metallorganic Vapor Phase Epitaxy of(AlGa)InP on GaAs at Atmospheric Pressure

Hongwen REN Baibiao HUANG Shuqin YU Xian'gang XU Shiwen LIU Minhua JIANG Institute of Crystal Materials , Shandong University , Jinan , 250100 , China

材料科学技术（英）

High quality (AlGa)InP epilayers lattice matched on GaAs substrates were grown by atmospheric pressure metallorganic vapor phase epitaxy (AP-MOVPE).The relationship between surface morphologies and lattice mismatches was studied.The influence of Al incorporation to the photoluminescence and electronic properties of AlGaInP was measured.The applicability of growth at atmospheric pressure and the passivation of Zn in AlGaInP were discussed.

关键词: MOVPE , null , null , null , null

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