查询词典 manganite

Based on the characteristics of paragentic manganese minerals in silver-gold ore of Guandi,the chemical phase separation selective solvent s of Al(NO_3)_3 was chosen for manganese carbide phase and H_2SO_4-KF-HF for manganite and braunite phases.

根据官地银金矿中锰矿物的共生组合情况，引用A l(NO3)3溶液作碳酸锰矿物的选择性溶剂，H2SO4-KF-HF混合溶液作水锰矿、褐锰矿的选择性溶剂，于滤渣中测定软锰矿。

In the end, we sum up the current research in the manganite thin films (such as the influence of oxygen stoichiometry, lattice-misfit strain and angle distortion induced strain on the thickness effects) and some existent issues.

最后讨论了锰氧化物外延薄膜的制备方法，及影响锰氧化物薄膜结构和电磁性质的相关因素(如氧含量，晶格失配应变，薄膜厚度，角度畸变及热膨胀系数等)以及期待解决的问题。

A negative magnetoresistance was found in this heavily Ca-doped manganite heterojunction due to the majority spin carriers transport at the manganite-titanate interface.

我们计算出异质结的结电阻和磁致电阻，在不同大小的正负偏压，不同磁场下，都得到负的MR值。

In the end, we sum up the current research in the manganite thin films and some existent issues.

最后讨论了锰氧化物外延薄膜的制备方法，及影响锰氧化物薄膜结构和电磁性质的相关因素以及在制备薄膜时需要注意的问题。

Chapter 1: The general review of the history and present research situation of the perovskite manganite physics and thin films is given.

第一章全面介绍了巨磁阻锰氧化物的物理和薄膜的研究状况。

Two methods were adopted for thefabrication of manganite planar junctions.

采用两种不同的方法制备锰氧化合物平面隧道结。

The influences of transition element doping on the transport properties of layered perovskite manganite La1.2Ca1.8Mn2O7 were investigated.

研究了过渡金属元素掺杂对层状钙钛矿结构锰氧化物 La1.2Ca1.8Mn2O7体系输运性质的影响。

In this thesis, the influence of the lattice-misfit strain and oxygen contents on the thickness effects of CMR manganite thin films was carefully investigated.

更重要的是，从应用研究上来讲，对巨磁阻薄膜的研究和探索，不仅对当前的自旋电子学的应用有重要意义，而且为全氧化物或氧化物-金属原型薄膜器件的研制提供了有效途径。

In this thesis, the influence of the lattice-misfit oxygen and strain contents on the thickness effects of CMR manganite thin films was carefully investigated.

更重要的是，从应用研究上来讲，对巨磁阻薄膜的研究和探索，不仅对当前的自旋电子学的应用有重要意义，而且为全氧化物或氧化物-金属原型薄膜器件的研制提供了有效途径。

This dissertation is relation to SrO(La2/3Sr1/3MnO3)n the manganese oxides with RP structure. We mostly studied the structure and electrical transport properties, The major studies are listed below: The classes of magnetoresistance were introduced, the electron and crystal structure and the mechanism of double exchange of manganite pervosike related to colossal magnetoresistance have been summarized. More attention had also been paid to the advance in the study of RP structure manganite and grain system. The principle and process of sol-gel method were introduced. With sol-gel method a series of different grain size La2/3Sr1/3MnO3 sample were prepared.

本文以Mn3+：Mn4+=2：1的Ruddlesden-Popper结构锰氧化物SrO(La2/3Sr1/3MnO3)n为研究对象，系统的研究了利用溶胶-凝胶法制备的n=∞的La2/3Sr1/3MnO3和n=2的La4/3Sr5/3Mn2O7两个系列样品的结构和电磁性质，主要内容包括以下几点：简单介绍了磁电阻效应的分类，概述了具有超大磁电阻效应的锰基钙钛矿氧化物的电子晶体结构和双交换等相关的物理机理，给出RP结构系列锰氧化物的晶体结构和电磁相图以及研究状况，分析了颗粒系统的研究进展。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。