磁有序

在磁性状态下，由声子和磁有序两方面因素对热膨胀的贡献导致Tb2Fe（17-x）Crx化合物

The contributions of the phonon and magnetic order to thermal expansion leads to the

本文描述了磁有序材料在垂直激励和平行激励下产生第一阶非稳定性微波阈值场的测试装置及有关测试技术。

In this paper the instrumentations and technigues which are suitable for measuring first-order instability threshold values of microwave field for both configurations , perpendicular and parallel pumps , in magnetic order materials are described .

用穆斯堡尔热扫描技术测定了残余非晶相的磁有序温度Tc。

The magnetic ordering temperature T c of the residual amorphous phase were determined by M o ¨ ssbauer thermal scan method .

由此推断，当覆盖度θ<2ML时，在GaAs（100）表面上淀积的Mn的超薄膜具有磁有序结构。

It is concluded that the magnetic ordering is established in the ultra thin Mn overlayer on GaAs ( 100 ) at θ < 2ML .

实验结果表明Ga掺杂破坏了双交换作用，使电阻率上升而磁有序转变推移到低温。

The experimental results suggest that Ga doping destory the double exchange interaction so that the resistivity rises and the Curie temperature decreases to lower temperature .

Co掺杂对La（5/8）Ca（3/8）MnO3体系铁磁有序的影响与电子的局域化效应

Effect of co-substitution on the ferromagnetic order and electron localization for la_ ( 5 / 8 ) ca_ ( 3 / 8 ) mno_3 system

低温（TS<600℃）制备的Zn0.9Co0.1O样品在低温区呈现铁磁有序行为，磁转变温度TC大约为40K；

The Zn_ ( 1-x ) Co_xO samples prepared at low temperature ( < 600 ℃) show a low-temperature ferromagnetic ordering and the PM-FM transition temperature is about 40K .

掺杂样品的制备温度TS以及掺杂浓度x对样品磁化行为有显著的影响，铁磁有序仅存在于低温制备的低掺杂浓度的Zn（1-x）CoxO样品中；

Both sintering temperature and impurity concentration have remarkably effect on the magnetization behaviors of Zn_ ( 1-x ) Co_xOferromagnetic ordering is only observed in the samples with low impurity concentration prepared at a low temperature .

采用穆斯堡尔热扫描技术测定了残余非晶相的磁有序温度Tc。分析了纳米晶粒通过磁相互作用对界面非晶相的影响以及Nb元素在该系列合金中所起的作用。

We utilize the thermal scanning technique of Mossbauer to determine magnetic ordered temperature of the residual amorphous phase , analyze the influence of magnetic interaction between nanocrystalline grain on amorphous phase on the interface and the role played by the element of Nb in the series of these alloys .

反尖晶石LiNiVO4中几何失措的抑制与磁有序

Restriction of geometrical frustration and magnetic ordering in the inverse-spinel LiNiVO_4

纯γ-Mn的电子、基态属性和磁有序结构

Electronic structure , ground properties and magnetic ordering for pure γ - mn

磁有序物质中二体耦合形式哈密顿量的对角化

Diagonalization of the Hamiltonian of Two-body Coupling Interaction in the Magnetic Ordered Material

分子材料的磁有序研究

Studies on the magnetic ordering in molecular materials

钕-铁及钕-铁-硼的磁有序温度

The magnetic ordering temperatures of Nd-Fe and Nd-Fe-B

上述这些现象都与磁有序物质集体激发有关。

The above phenomena are all related to the collective excitations of magnetic ordered material .

分析了一级磁性相变体系中磁有序熵变和晶格熵变对总熵变的贡献，并发现大的熵变来源于被晶格贡献抵消后的磁有序熵变。

The large entropy change consumed by lattice contribution is mainly due to the magnetic ordering one .

这种线型可用磁有序系统弛豫线型的微扰理论解释。

The shapes of these spectra are explained by using the perturbationtheory of relaxation line shapes for magnetically order systems .

这类材料中的熵变主要由磁有序熵变和晶格熵变组成。

It is found that the entropy change is mainly composed of that contributed from magnetic ordering and crystal lattice .

观察到非晶合金的晶化温度，磁有序温度和平均磁超精细场有规律性的变化。

The regular variation of crystallization temperature , magnetic ordering temperature and average hyperfine magnetic field of the amorphous alloys with Nb content were observed .

铁电磁系统具有在低温下铁电有序和（反）铁磁有序自发共存的特征，存在内禀的磁电耦合效应。

The ferroelectromagnetic lattice is a magnetoelectric coupling system in which the ferroelectric order and ( anti ) ferromagnetic order coexist simultaneously below a certain temperature .

采用了两步冷却法（F&W），通过协同降低内热应力和磁有序，提高了样品的初始磁导率。

Two-step cooling method ( F & W ) was applied to enhance the soft magnetic properties of the samples , by co-reducing internal thermal stress and magnetic ordering .

所有这些结果都表明所有ZnO：Ni薄膜的微观结构随掺杂浓度的增加变差，这对ZnO：Ni薄膜中的长程铁磁有序是不利的。

All the results demonstrated that the microstructure of ZnO : Ni films gets more deteriorated with increasing Ni content and it is unfavorable for the long-range FM order in the ZnO : Ni films .

目前研究最为广泛的多铁性材料是指同时拥有极化有序和磁有序的材料。因而，这两种有序之间的耦合作用（磁电效应）是研究的热点。

The multiferroics researched recently are the materials with both FE order and magnetic order structures , and the coupling effects between these two order structures ( Magnetoelectric ( ME ) effect ) triggered a lot of excitement .

我们在超导相和半导体相的电子结构研究中没有发现能带重构，这表明两个相中不存在磁有序和空穴有序。

Moreover , we find that both the superconducting and semiconducting phases are free of the magnetic and vacancy orders present in the insulating phases , and the electronic structure of the superconducting phase could be developed by doping the semiconducting phase with electrons .

上述实验结果的一种可能解释是掺杂改变了磁有序时电子自旋的排列和空间取向，从而改变载流子被自旋热涨落的散射作用和载流子转移的随机性。

A possible explanation for the results is that due to the doping , the array and orientation of the spins in the magnetic ordering state are changed , thus the carrier scattering by the thermal spin fluctuations and the randomness of carrier transfer are affected .

近几十年，科学家已经合成了各种桥联金属配合物的分子磁性材料，而在常温下能表现出三维磁有序化的分子磁性材料并不多，这是由于分子之间的作用力相对比较小。

In recent decades , scientists have synthesized a variety of bridged metal complexes of molecular magnetic materials , the molecular magnetic materials which shown three-dimensional magnetic ordering at room temperature are not so many , this is because the force between molecules is relatively small .

结合其他小组的工作，可以从理论上得出CE型反铁磁＋电荷有序在特定参数区将成为系统基态。

Finally , combined with other groups ′ work , we reach the result that CE type antiferromagnetic and charge order will be fundamental status in certain parameter zone .

X-波段电子顺磁共振的微观有序宏观无序谱分析

The Microscopic Ordering and Macroscopic Disorder Spectra Analysis of X-Band Electronic Paramagnetic Resonance

BiMnO3的铁电铁磁机制，轨道有序和自旋有序的第一原理

First-principles investigation on magnetoelectric mechanism , orbital ordering and spin ordering of BiMnO_3

电子顺磁共振实验可以观测到样品在磁有序转变温度（Tc）附近的动态磁性相转变，并且与磁化强度的实验结果一致。

The dynamic magnetic transition was investigated by EPR experiment near the ( Curie ) temperature T_c , and the results are in agreement with the magnetization experiments .