材料期刊网

INFLUENCE OF THE ALIGNMENT OF TiO2 NANOPARTICLES ON OPTICAL AND STRUCTURAL PROPERTIES OF POLY(PHENYLENEVINYLENE) FILMS

X.Ju , J.Zhang , B.Y.Wang

金属学报(英文版)

A series of poly(phenylenevinylene) (PPV)/titanium oxide (TiO2) nanocompositeswith different contents of TiO2 nanoparticles were prepared from mixtures of PPVprecursor and titanium butoxide ethanol solution in a sol-gel process. TEM imagesshowed the formation of the connected network of TiO2 nanopar...

关键词: PPV/TiO2 nanocomposite , null , null

Two-step magnetization in a spin-chain system on the triangular lattice: Wang-Landau simulation

Physical Review B

The Wang-Landau algorithm is used to study the thermodynamic and magnetic properties of triangular spin-chain system based on two-dimensional Ising model in order to understand the magnetic-order dynamics in Ca(3)Co(2)O(6) compound. The calculated results demonstrate t...

关键词: calcium compounds;exchange interactions (electron);Ising model;magnetisation;thermodynamics;one-dimensional ca3co2o6;density-of-states;compound ca3co2o6;phase-diagram;proteins;crystal

Mean-field theory on mixed ferro-ferrimagnetic compounds with (A(a)B(b)C(c))(y)D

Physics Letters A

The magnetic properties of the mixed ferro-ferrimagnetic compounds with (A(a)B(b)C(c))(y)D, in which A, B, C and D are four different magnetic ions and form four different subl...

关键词: mixed ferro-ferrimagnet;Ising model;four sublattices;phase diagram;transition temperature;compensation temperature;magnetic-properties;prussian blue;alloy

基于团簇线的Fe-B-Y基五元块体非晶合金

陈伟荣 , 王清 , 程旭 , 张庆瑜 , 董闯

金属学报

在三元Fe-B-Y合金系中, 以团簇线判据设计了5个基础合金成分, 即5条成分线Fe8B3-Y, Fe8B2-Y,...

关键词: 团簇线 , Fe-based bulk metallic glass , composition design

基于团簇线的Fe-B-Y基五元块体非晶合金

陈伟荣 , 王清 , 程旭 , 张庆瑜 , 董闯

金属学报 doi:10.3321/j.issn:0412-1961.2007.08.003

在三元Fe-B-Y合金系中,以团簇线判据设计了5个基础合金成分,即5条成分线Fe8B3-Y,Fe8B2-Y,Fe8...

关键词: 团簇线 , 铁基块体非晶合金 , 成分设计

MAGNETIC-PROPERTIES OF R2CO14(B,C) COMPOUNDS (R = Y, SM)

Journal of Applied Physics

The magnetic properties of R2Co14B1-xCx (x=0, 0.5 and R=Y, Sm) compounds have been studied by measuring the temperature dependence of the easy- and hard-magnetization curves on magnetically aligned samples between 1.5 and 300 K for

关键词: nd2fe14b;exchange;nd2co14b;r2fe14b;field

MAGNETIC-PROPERTIES OF THE Y2FE14B0.5C0.5 COMPOUND

Journal of Applied Physics

Y2Fe14B0.5C0.5 has the same tetragonal structure as Y2Fe14B with space group P4(2)/mnm. Magnetic properties of the Y2Fe14B0.5C0.5 compound have been studied using an extraction magnetometer with a maximum fi...

关键词: alloys

Study of properties of mixed ferro-ferrimagnetic ising compounds with (A(x)B(1-x))(y)C

Communications in Theoretical Physics

The magnetic properties of the mixed ferro-ferrimagnetic compounds with (A(x)B(1-x))(y)C-z where A(z) B-z and C are three different magnetic ions and form three different sublattices, are studied by using th...

关键词: mixed ferro-ferrimagnet;Ising model;phase diagram;internal energy;specific heat;mean-field analysis;magnetic-properties;prussian blue;alloy

微量B和Y对铸造Ti-Al-Nb-W合金显微组织的影响

杨广宇 , 刘咏 , 王岩 , 李建波 , 唐蓓 , 李慧中

中国有色金属学报

采用光学显微镜、扫描电镜及透射电镜研究微量B和Y对铸造Ti-AIl-Nb-W合金显微组织的影响.结果表明:Ti-47Al-4Nb-0.6W合金的基本凝固路线为L→β+L→(β+...

关键词: TiAl基合金 , 显微组织 , 铸造合金 , B , Y

Magnetic properties and exchange coupling of nanocomposite (Nd,Y)(2)Fe(14)B/alpha-Fe

Journal of Applied Physics

Magnetic properties and exchange couplings of nanocomposite (Nd,Y)(2)Fe(14)B/alpha-Fe magnets prepared by mechanical milling have been investigated at low temperatures. With decreasing temperature, due to Y ...

关键词: permanent-magnets;magnetocrystalline anisotropy;coercive field;grain-size;fe;remanence;phase;enhancement;dependence;ribbons