掺杂

In this doctoral dissertation, the effects of several dopants on phase separation in 〓 system were investigated under the regime of light doping level.

本论文主要研究了低浓度的阴离子和阳离子掺杂对〓系统中的相分离的影响。

Structural measurements and annealing results show that this phase is not caused by chemical imperfection but by oxygen dopants.

另外，对这种样品进行脱氧处理后，此超导电性相应消失，说明了这种高Tc的超导电性是由活动性空穴掺杂引起的。

The effect of calcining temperature and content of dopants on crystal structure, crystal size and property of modified TiO〓 nanoparticles is investigated.

重点考察了焙烧温度及金属离子的掺杂浓度对改性TiO〓纳米粒子晶型结构、晶粒尺寸及性能的影响。

Influence of TiO2, Co3O4, Cr2O3, Ni2O3 and MnO dopings on the microstructure and electrical properties of SnO2-Sb2O3 based varistor ceramic materials was investigated.

实验研究了TiO2、Co3O4、Cr2O3、Ni2O3和MnO掺杂对SnO2-Sb2O3基压敏陶瓷材料微观结构和电性能的影响。

Aiming at some defects existing in PMN ferroelectric ceramics, such as excessive sintering temperature and lower curie temperature, this paper gives an introduction to various kinds of dopings, such as rare earth, alkaline earth and transition metal, which have effects on dielectric properties, sintering temperature and microstructure of PMN-typed ferroelectric ceramics.

针对PMN铁电陶瓷存在烧结温度过高、居里温度较低等缺陷问题，分别介绍了稀土、碱土、过渡金属等掺杂对PMN铁电陶瓷介电性能、烧结温度及微观结构等的影响。

Er concentration.2. With the analysis of the optical parameters calculated by Judd-Ofelt theory and the lifetime of ~4I_(13/2) of Er gotten in experiment, we investigated Y dopings dispertion effect and influence to the environment of Er .3. In the research of Er/Yb/Al co-doped laser glass, we fixed the Er:Yb at 1:6 and varied the Al concentration.

我们利用Judd-Ofelt理论，计算得到了Er/Y共掺玻璃的Judd-Ofelt强度系数、光谱质量因子、自发辐射弛豫率和能级寿命等光谱参数，并且给出了不同Y掺杂浓度下Er~(3 )离子的荧光量子效率；结合Er~(3 )离子~4I_(13/2)能级的荧光寿命，深入探讨了掺Y对高浓度Er~(3 )离子在硼硅酸盐玻璃中分布的弥散作用和对配位场环境的影响。

Chapter 2 reports our research on dc conductance of stretched dopped polymers.Val-ues of conductance of these materials can reach high magnitude typical of metals.

第二章介绍对掺杂后拉伸的高聚物沿拉伸方向直流电导问题的研究。

Firstly we prepared Carbon dopped nanocrystalline ZnO, in the sample only ultravioled photoluminescence was observed.

首次制备了C掺杂的纳米晶ZnO，并且只观测到了弱的紫外发光，说明C在ZnO表面作为无辐射复合中心，使ZnO表面的载流子无辐射复合掉。

A home made laser diode was used to end pump a piece of 1.0 mm long Nd:YVO4 crystal dopped with 1.0%.

用国产的激光二极管端面泵浦厚2.0 mm、掺杂浓度1.0%的Nd：YVO4激光晶体，在注入泵浦光功率为8 W时，用5 mm长的I类临界位相匹配BIBO晶体获得的TEM00模蓝光输出达1.83 W。

Individual opals are "dopped"-affixed to the ends of wooden dowels about the size of old fashioned wooden clothespins, usually with dopping wax, which resembles sealing wax.

个人蛋白石是&dopped&，贴完木销的尺寸的老式木衣夹，通常掺杂蜡，蜡封的类似。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。