磁光的

Infrared upconversion and optical storage thin film CaS∶Eu, Sm has been successfully developed by electron beam evaporation and radio frequency magnetron sputtering. Infrared upconversion efficiency of CaS∶Eu, Sm thin films with different thickness has been investigated by using the ultrashort infrared laser pulses with different FWHM.

采用电子束蒸发和磁控溅射技术制备了具有红外上转换和光存储特性的电子俘获材料CaS∶Eu，Sm薄膜，利用不同脉宽的超短红外激光测试了它们的红外上转换效率，指出CaS∶Eu，Sm薄膜的红外上转换发光效率不仅与制备工艺及热退火工艺密切相关，而且存在"耗尽"现象。

Experimentally, in order to increase the coercivity of the hybrid recording media for increasing the area density, the influences of the magnetron sputtering parameters on the magnetic properties of TbCo films have been investigated.

实验上，围绕着光磁混合记录介质需要具有高的矫顽力，以提高介质记录面密度的问题，采用控制变量法，研究了制膜工艺参数对TbCo薄膜矫顽力的影响，得到了TbCo薄膜获得高矫顽力的最佳制膜工艺条件。

Positiv matters,which include natural object and building, are of visibility ,tangibility with the properties of hot light meget.

在人类生存的环境中为可视的有形物象，能产生磁、光、热等辐射的地面凸起的、阻挡空气流通的自然或建筑物体。

These inks are featured through the implementation of different conditions, such as the use of light, heat, spectrum, in the form of magnetic testing, or by changes in external conditions, such as temperature and humidity, pressure, and so on, to observe the prints color or magnetic variation, or under the adelomorphic tag, who had appeared normal, reach the anti-false.

这些防伪油墨的特点是通过实施不同的外界条件，如采用光、热、光谱、磁检测等形式，或通过外界条件的变化，如温湿度、压力等，来观察印品的色彩或磁性变化，或显现常态下隐形标记，达到防伪的目的。

It has the and of shape world, showing as voice, image, data and information, existing in the form of sound, light, electric, magnetism forms of particle. It is vivid, formative, audio visional; it is actual, reliable and objective. Wielding modern science and technological means recording suits; independent from subject; it can reappear the process of criminal, having more accuracy and forgeable.

它是借助于有形物质而存在的无形物质，表现为声音、图象、数据、信息等的视听资料是以声、光、电、磁以及其他粒子形式存在的；视听资料生动、形象、直观，它望之有形、闻之有声、查之有据；视听资料准确、可靠、客观，它是运用现代科技手段记录案件的观客事实，不受主观意识制约；视听资料可以原声原貌地再现犯罪过程；视听资料还具有信息量大、科技含量大、精密度高、易于作假等特征。

The Si-rich SiO2／p-Si structure has been fabricated with two-target alternative magnetron sputtering technique.After the Si-rich SiO2／p-Si sample having been scored by diamond tip on the front surface and annealed at 800℃ in N2 the photoluminescence spectrum is found quite different from that from the unscored one,which having been annealed in the same condition.

以磁控溅射方法于p-Si上淀积富硅二氧化硅，形成富硅二氧化硅／p-Si结构，用金刚刀在其正面刻划出方形网格后在N2气氛中退火，其光致发光谱与未刻划的经同样条件退火的对比样品的PL谱有很大不同。

This kind of general structural intercalation complex materials have three obvious characteristics: i Conditions of intercalation reaction are wild in room temperature, water or ethanol solution usually, ii we can process molecule design of host for increasing selectivity to guest molecules in order to prepare general structural intercalation complex materials, iii we can obtain all kinds of applied purpose complex materials by intercalating different functional guests.

这类特殊结构的复合材料具有三个显著特点：第1，制备条件温和，通常在室温、水或醇等溶液中进行；第2，通过对主体分子的设计，提高对客体分子的选择性，可以得到预先设计分子结构的复合材料；第3，通过对一些功能性客体分子进行插层组装，可以得到具有光、电、磁等结构新颖的复合材料。

The EL excitation process was attributed to hot electron impact ionization of Si QDs by the dependence of the EL spectra on the change of the energy distribution of hot electrons.(3) Efficient green-blue ACTFEL was first obtained from Si QDs in Si layers of Si/SiO〓 superlattices.

利用磁控反应溅射方法制备出含硅量子点的富Si-SiO〓薄膜，通过热退火并结合喇曼光谱和光致发光谱判定了其中硅量子点的存在和平均尺寸，将发光机理归结为硅量子点中的量子尺寸效应。

Nanocrystalline hexagonal VSi〓, with an average diameter of 35nm, was prepared via a reduction-silication route by the reaction of metallic sodium with vanadium tetrachloride and silicon at 650℃ in a molten salt system of magnesium chloride and sodium chloride. The sample had good oxidation resistance at 1000℃.

金属硅化物通常具有很高的熔点、较低的电阻率、很好的高温热稳定性，有些还具有奇异的光、电、磁、超导、催化等性能，因此是一类最富潜力的高温结构材料和电子材料。

Their formulas are presented as following:( 1 ) [Co2C6H2(COO44]n ( 2 ){[Co2(C2O4)C6H2(COO4(H2O)4] -4H2O-(NH2CH2COOH)}n ( 3 ){[Co(H2O)6][Co(H2O)4C6H2(COO4] . 4H2O}n These coordination polymers have been characterized by IR,UV-VIS-NIR spectroscopes. The variable temperature magnetic susceptibilities(1.5-300K)of complex (1) and (2) have been measured and studied. Complex (1) and (2) exhibit the anti-ferromagnetic property. The spin-transition phenomenon of complex (2) takes place at 17K.

经X-光衍射测定，确定了它们的结构，分子式如下：(1)[Co_2C_6H_2(COO_4_4]_n (2){[Co_2(C_2O_4)C_6H_2(COO_4(H_2O)_4]·4H_2O·(NH_2CH_2COOH)}_n (3){[Co(H_2O)_6][Co(H_2O)_4C_6H_2(COO_4]·4H_2O}_n 研究了上述三种配位聚合物的红外，紫外—可见—近红外光谱，测定了化合物(1)和(2)在1.5—300K温度范围内的变温磁矩，对它们的磁性研究表明，化合物(1)和(2)均呈反铁磁性，并且化合物(2)在17K发生了自旋转换现象。

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。