nanopowders相关论文
The high-purity and superfine high-entropy zirconate nanopowders,namely(Y0.25La0.25Sm0.25Eu0.25)2Zr2O7 nanopowders,witho......
The aim of this work was to prepare MgF2 translucent ceramic by using nanopowders as raw materials and to study its prop......
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Photocatalytic Activity under UV and Visible Light Irradiations of Europium (Ⅲ) and Niobium (Ⅴ)-Codo
Europium (Ⅲ) and niobium (Ⅴ)-codoped TiO2 nanopowders have been synthesized by Ar/O2 radio frequency thermal plasma ox......
Novel up-conversion (UC) luminescent nano-powders, CaSc2O4:Yb3+:Er3+ were prepared with a combustion method at an igniti......
Effect of synthesis conditions and surrounding medium on luminescence properties of YVO_4:Eu~(3+) na
Nanocrystalline yttrium vanadate doped with europium ions powders were synthesized via sol-gel method based on decomposi......
Bismuth silicate (Bi4Si3O12) nanopowders were prepared by the sol-gel method.Tetraethyl orthosilicate (TEOS) and Bi2O3 w......
Synthesis and microwave absorbing properties of La-doped Sr-hexaferrite nanopowders via sol-gel auto
La-doped Sr-hexaferrite(Sr_(1-x)La_xFe_(12)O_(19))(x=0.05,0.10,0.15,0.20) nanopowders with particle size ranging from 80......
Synthesis and properties of strontium hexa-ferrite ultrafine powders via a CTAB-assisted co-precipit
Single-phase SrM ultrafine powders with single-domain particle ranging from 200 to 400 nm in size were successfully synt......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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Zirconia powders doped with yttrium prepared by special liquid-phase precipitation method were sintered by spark plasma ......
Gadolinium gallium garnet (GGG) nanopowders doped with ytterbium ions (Yb:GGG) were synthesized with citric acid as a fu......
Double-perovskite Sr2Fe1-xScxMoO6-δ (x=0,0.05,0.1,0.2,0.3,0.4) powders applied to the cathode of solid oxide electrolys......
In the present work transparent Y2O3 ceramics were made by slip casting and vacuum sintering of nanopowders with sodium ......
Al nanopowders with diameters ranging from 20 to 50 nm passivated by Al2O3 coatings were produced by two different evapo......
由于透明多晶钇铝石榴石(YAG)陶瓷在高功率全固态激光器中巨大的应用价值,所以其研究在近几年引起了广泛的关注.YAG陶瓷与其单晶材......
This paper presents an overview of nanopowders preparation using low-temperature plasma (LTP). LTP with its unique proce......
以聚乙烯吡咯烷酮为高分子保护剂，以水合肼为还原剂，在水溶液中制备了平均粒径为３０～１００ｎｍ的球型银粉。结果表明：水合肼和ＡｇＮＯ＿３的比例较大、反应时间......
以正硅酸乙酯和硝酸钙为原料,采用共沉淀法低温制备了β-CaSiO3纳米粉体。系统讨论了沉淀剂、滴加方式、合成体系温度及溶剂等因素......
为制备分散均匀且超细的纳米Cr2O3粉体,以Cr（NO3）3·9H2O为主原料,以聚乙烯吡咯烷酮（即PVP）为分散剂,采用两步沉淀法制备了纳米Cr2......
两步回流无定形的H2TiO3与液态烷烃所形成的悬浮液制备得到灰黑色的先驱体粉体；经拉曼光谱及元素分析表明在回流过程中烷烃脱氢后形......
利用简单的溶剂热法,在具有不同镓浓度的锌前驱体溶液中得到了Ga掺杂ZnO纳米粉体.采用X射线光电子能谱仪（XPS）、X-射线衍射仪（XRD）、透......
依据胶粒析出机理和实验原理,采用高强度机械快速混合的方法,制备了纳米粉体MgO.经TEM和XRD表征,其粒径43 nm左右,且分散性好.粒径......
在Ar惰性保护气氛中,采用阳极弧放电等离子方法用自行研制的装置制备出了高纯Ni纳米粉末.研究了在制备过程中电弧电流、气体压力等......
采用溶剂热合成再热处理方法制备了Co1-xNixSb3（x=0，0．1）粉末。经X射线衍射（XRD）、透射电镜（TEM）分析表明制得的粉末为纳米粉末。粉末经冷......
文章以钨酸钠和盐酸为原料，十六烷基三甲基溴化铵／正丁醇／环己烷为分散剂，在超声振荡条件下，得到钨酸纳米粒子，500℃恒温3h，最终产物WO3粒......
采用溶胶-共沉淀法,分别以NH3·H2O和NH4HCO3为沉淀剂,制备了Lu2（1-x-y）Y2xSiO5∶yCe~（3＋）（LYSO∶Ce）纳米粉体。采用XRD、SEM和荧光光......
以离子液体作为辅助反应介质,采用水热合成法制备了铁酸锌纳米粉体,并利用XRD和TEM研究了反应温度、压力和反应环境对铁酸锌晶相组......
用共沉淀法制备了发绿光的SrAl2O4：Eu^2＋，Dy^3＋纳米长余辉发光粉体。用TG—DSC，XRD，SEM和荧光分光光度计等对发光粉体特性进行了表征。结......
提出了一种氨三乙酸盐沉淀法制备纳米钛酸钡电子陶瓷粉体新方法。使含有适量表面活性剂的Ti4＋与ta3-（H3ta=C6H6O6N）、过氧化氢反应形......
采用溶剂热法研究起始材料硝酸镥（Lu（NO3）3·6H2O）和硝酸铝（Al（NO3）3·9H2O）中结晶水去除前后对镥铝石榴石（LuAG）纳米粉体合成的影响......
由于透明多晶钇铝石榴石(YAG)陶瓷在高功率全固态激光器中巨大的应用价值,所以其研究在近几年引起了广泛的关注.YAG陶瓷与其单晶材......
用直流电弧等离子体法在不同气氛下制备Ti-Al合金纳米粉材料和新型Ti-Al合金微米棒.通过X-ray、扫描电镜(SEM)等仪器对样品进行分......
Nanosized ZnO powders were prepared with a two-step precipitation method. The average size of ZnO particles was about 80......
以Ba（OH）2和Ti（OC4H9）。作为Ba源和Ti源，利用超声化学法合成结晶良好的BarriO，纳米粉体。用x线衍射仪（XRD）、场发射扫描电子显微镜（FESEM）和Z......
以三水硝酸铜为反应物，氨水为络合剂，氢氧化钠为沉淀剂，乙醇水混合溶液为反应溶剂，聚乙二醇为分散剂，采用络合沉淀法，成功制备出平均粒径......
有从 20 ～ 50 nm 的直径的艾尔 nanopowders 由 Al2O3 涂层使钝化被二条不同蒸发线路生产：感应的加热蒸发(IHE ) 和激光正式就职建筑......
以Ti Cl4和Sr Cl2·H2O等为原料,在常压下通过溶胶-沉淀一步法成功制备出了Sr Ti O3纳米粉体,并对所得产物的形态和结构进行了......
本文以SnCl2·2H2O为原料，Na2S·9H2O、TAA为沉淀剂，采用直接沉淀法和均匀沉淀法制备SnS纳米粉体。对所得样品用XRD、EDS、S......
钛酸钡（BaTiO3）系列电子材料是一类重要的功能材料,正逐渐向小体积、功能化、大容量方向发展,常采用掺杂改性的方式提高其介电常数及......
以 NdCl_3为原料,以 Na_2CO_3为添加剂,聚乙二醇-400为分散剂,首先制备出晶粒细小的碳酸钕前驱体。在800℃焙烧1小时后制得 Nd_2O_......
以Ca（NO3）2和KF为原料,采用直接沉淀法制备CaF2粉体,借助XRD、SEM、粒径分析方法研究了溶液pH值对产物CaF2粉体晶粒尺寸、颗粒大小及......
通过液相反应胶粒析出机理分析，首次采用快采用速高强度机械混合液相沉淀技术在室温、常压下制备了小粒径（平均2nm）无定型氢氧化钛纳......
采用微波水热法成功合成了钛酸锶钡(Ba0.6Sr0.4TiO3)纳米粉体。研究了反应温度、反应时间和反应物浓度对微波合成的影响。结果表明......
以Bi（NO3）3和Te粉为原料，水合肼为还原剂，采用水热法保温24h，分别在150℃和180℃制备了Bi2Te3纳米粉末。通过X射线衍射、透射电镜、扫描......
纳米数量级的过渡金属合金粉体在磁记录材料和催化剂训的应用方面具有重要意义，采用价廉且方便的合成方法是制备过渡金属合金超细粉......
针对纯纳米TiO_2粉末带隙能宽（约为3.2eV）,对太阳光利用率较低的问题.文中通过对液料等离子喷涂的前驱物-钛酸丁酯和乙醇溶液中添加......
以分析纯的Bi(NO3)3·5H2O,ZnO和Nb2O5为反应物,KOH为矿化剂,采用水热法合成立方焦绿石结构的Bi1.5ZnNb1.5O7纳米粉体。通过XRD对......
采用分析纯Bi（NO3）3·5H2O和TiO2为原料，以NaOH为矿化剂，用水热法合成了钛酸铋纳米粉体。讨论了水热反应温度和晶化时间对钛酸铋粉......
