{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"研究了FeVO4对ZnO-Nb2O5-TiO2微波介质陶瓷的烧结特性、介电性能、相组成和微观结构的影响.研究表明:添加3 ω/%~10ω/%FeVO4可使烧结温度从1200℃降低到960℃,XRD与EDS分析表明FeVO4固溶入主晶相ZnTiNb2O8,导致晶格畸变,缺陷增加,促进传质,在液相和固溶体协同作用下降低烧结温度;随FeVO4添加量的增加,Zn0.15Nb0.3Ti0.55O2相和TiO2相含量增大,介电常数εr基本不变,Q·f值由于晶体缺陷增多和晶粒尺寸不均而下降;FeVO4添加量为4 ω/%的ZnO-Nb2O5-TiO2陶瓷可在940 ℃,2 h条件下致密烧结,微波介电性能为εr=40,Q·f=10 200 GHz(3GHz),τf=-9×10-6/℃,可用于制备各种多层微波频率器件.","authors":[{"authorName":"邹佳丽","id":"fe613cbc-ad55-4058-9e77-cdd627871eef","originalAuthorName":"邹佳丽"},{"authorName":"张启龙","id":"ec65c43c-0521-4a05-81e4-4835a6679a6d","originalAuthorName":"张启龙"},{"authorName":"杨辉","id":"40a7ab2a-cf90-4941-88df-3807472abd83","originalAuthorName":"杨辉"},{"authorName":"童建喜","id":"6e421f54-6c09-4b36-9b41-196fe28b22ec","originalAuthorName":"童建喜"},{"authorName":"陆德龙","id":"55effa38-4092-4dfa-b9a5-df4a841318f0","originalAuthorName":"陆德龙"}],"doi":"","fpage":"682","id":"d6d33413-9404-4dca-8f52-c8dad2318f77","issue":"z2","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"ccfba846-6d8f-4f01-957c-12852904143a","keyword":"微波介质陶瓷","originalKeyword":"微波介质陶瓷"},{"id":"7c30ac30-5c8d-4b6a-a213-dd8d37d9f86b","keyword":"低温烧结","originalKeyword":"低温烧结"},{"id":"4d83743b-b896-4a28-8fd9-c3f72424a388","keyword":"介电性能","originalKeyword":"介电性能"},{"id":"eea1e58a-4625-42bf-917a-191fcde1209b","keyword":"ZnO-Nb2O5-TiO2","originalKeyword":"ZnO-Nb2O5-TiO2"}],"language":"zh","publisherId":"xyjsclygc2005z2018","title":"掺杂FeVO4低温烧结ZnO-Nb2O5-TiO2微波介质陶瓷","volume":"34","year":"2005"},{"abstractinfo":"在Nb2O5含量x为0.1~1.5%的范围内,研究了Nb2O5掺杂对TiO2压敏陶瓷电性能的影响.发现x=0.7%的样品显示出最低的压敏电压(Eb=8.57V/mm )以及最高的相对介电常数2.385×104.分析认为Nb2O5掺杂的实质是Nb5+固溶于 TiO2中取代Ti4+使晶粒半导化,但掺杂量受晶格畸变作用有一定限制.","authors":[{"authorName":"周文斌","id":"06969dc1-fe85-40f9-9f39-0b2f3c90c743","originalAuthorName":"周文斌"},{"authorName":"唐超群","id":"b497851d-5f65-466b-98f9-b2bc1d6146e8","originalAuthorName":"唐超群"},{"authorName":"薛霞","id":"c8d17137-0021-4163-adea-acbec93cbe99","originalAuthorName":"薛霞"},{"authorName":"胡连峰","id":"77b8ccce-dde5-44a1-8b50-b0d812b59146","originalAuthorName":"胡连峰"},{"authorName":"马新国","id":"298df929-0644-472e-9cd8-299c6c300004","originalAuthorName":"马新国"},{"authorName":"黄金球","id":"68b1ceae-3d22-4111-bc8d-1a333119564a","originalAuthorName":"黄金球"}],"doi":"10.3969/j.issn.1673-2812.2006.02.023","fpage":"255","id":"1e02c78a-4c04-478c-8ef3-ffba6e5f5113","issue":"2","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"ec9dbb81-39de-4c9c-bcad-815c72cdaa4f","keyword":"TiO2","originalKeyword":"TiO2"},{"id":"53c17740-9b26-4e25-80ec-9cd7cfebd21c","keyword":"Nb2O5掺杂","originalKeyword":"Nb2O5掺杂"},{"id":"6aa76fa8-bb9b-4caa-8679-559f0b30d249","keyword":"压敏","originalKeyword":"压敏"}],"language":"zh","publisherId":"clkxygc200602023","title":"Nb2O5掺杂对TiO2陶瓷性能的影响","volume":"24","year":"2006"},{"abstractinfo":"以含In的TiO2为基质,与重量比为10%的Nb2O5混合,TiO2-In-Nb2O5混合敏感材料有效解决了三甲胺(TMA)动物食品测鲜气敏器件中提高电导率和保持高灵敏度之间的矛盾.并利用XRD、SEM对该混晶体的结构、形貌及其机理进行分析,发现:该富钛混晶体中颗粒间的空隙增大、颗粒颈部变细,有效提高了响应TMA敏感特性;混合过程中所形成含铌的氧化态混晶体是缺氧态的,氧空位的增多有助于敏感材料电导率的增加.","authors":[{"authorName":"黄萍","id":"5390f028-1c5b-45b7-b01a-15af71d4ddb1","originalAuthorName":"黄萍"},{"authorName":"裴素华","id":"70ca47e7-8f9c-4356-84a7-c2d7397fb8d4","originalAuthorName":"裴素华"}],"doi":"","fpage":"126","id":"33cf34dd-bee2-4837-95bb-b742e98310e0","issue":"7","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"4a99435e-2758-4082-8636-188d731b9f41","keyword":"三甲胺","originalKeyword":"三甲胺"},{"id":"fccab530-9d0f-43c6-8133-a47b8e65f10b","keyword":"敏感材料","originalKeyword":"敏感材料"},{"id":"a20aeea6-0364-4745-a6b1-e565ea52dea4","keyword":"TiO2-In-Nb2O5","originalKeyword":"TiO2-In-Nb2O5"},{"id":"4520b410-e874-4ba8-b610-1fa6e3cf4439","keyword":"混晶体","originalKeyword":"混晶体"}],"language":"zh","publisherId":"cldb200607035","title":"TiO2-In-Nb2O5敏感材料响应TMA气敏特性分析","volume":"20","year":"2006"},{"abstractinfo":"研究了A位La3+替代对Bi2O3-ZnO-Nb2O5(BZN)陶瓷结构和介电性能的影响.当La替代量x<0.5时,陶瓷相结构为单一的立方焦绿石相.随着La替代量的增加,陶瓷样品的晶粒尺寸和密度逐渐减小.低温下的介电弛豫现象随着La替代量的增加也发生有规律的变化,介电常数逐渐减小,弛豫峰峰形逐渐宽化,峰值温度向低温方向移动.与La替代量为0.1、0.15、0.3和0.5相对应的弛豫峰的峰值温度分别为-95 ℃、-99 ℃、-109 ℃和-112 ℃.","authors":[{"authorName":"刘璞凌","id":"0753ea71-cc1e-4a06-9ae3-adb9d70fb6e1","originalAuthorName":"刘璞凌"},{"authorName":"丁士华","id":"297c0717-a772-41de-a36a-14213bbeafd2","originalAuthorName":"丁士华"},{"authorName":"杨同青","id":"a8af6467-cacd-4b79-9c64-ce2d926a8569","originalAuthorName":"杨同青"},{"authorName":"沈波","id":"6674ee04-9fb8-4c53-a433-8249ec5c6d2d","originalAuthorName":"沈波"},{"authorName":"姚熹","id":"9fea4f6c-09ce-48d8-9e3e-b2e3ca53724b","originalAuthorName":"姚熹"}],"doi":"10.3969/j.issn.1007-4252.2007.01.016","fpage":"78","id":"9c743196-17a5-401a-a9d4-41773fb354ef","issue":"1","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"c0f3e3e1-0b92-434b-a7b3-474d61c02e9e","keyword":"BZN陶瓷","originalKeyword":"BZN陶瓷"},{"id":"1e032db2-e77b-4de3-b5ac-9287e6efa7d9","keyword":"立方焦绿石相","originalKeyword":"立方焦绿石相"},{"id":"1d20a9d6-5da6-4369-b75f-1d2675585858","keyword":"介电弛豫","originalKeyword":"介电弛豫"}],"language":"zh","publisherId":"gnclyqjxb200701016","title":"La替代对Bi2O3-ZnO-Nb2O5陶瓷介电性能的影响","volume":"13","year":"2007"},{"abstractinfo":"根据焦绿石结晶化学原理,研究了Bi2O3-ZnO-Nb2O5(BZN)系中焦绿石的相结构与分布用淬冷技术保持样品的高温相结构,用粉末X-射线衍射技术(XRD)分析相组成与相结构得到了BZN系中两种焦绿名单相(立方相α和正交相β和α-β复相分布的等温相图,并探讨了该系统中焦绿石立方相和正交相之间的α-β位移式相变的机理","authors":[{"authorName":"汪宏","id":"918686f2-821b-4905-9f16-bbd25472dff0","originalAuthorName":"汪宏"},{"authorName":"王晓莉","id":"abe5fdba-dcf8-4d36-be3b-cf0ad9535458","originalAuthorName":"王晓莉"},{"authorName":"姚熹","id":"d86bf3d7-465f-41ab-8106-249c2122cace","originalAuthorName":"姚熹"}],"categoryName":"|","doi":"","fpage":"167","id":"d8a76273-927a-49db-ac67-929a0f0e0106","issue":"2","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"f95c1beb-127c-4212-bd4d-cdb9f59768ae","keyword":"焦绿石结构","originalKeyword":"焦绿石结构"},{"id":"ae0f5439-36e5-4680-ae22-30e9178194ab","keyword":" phase distribution","originalKeyword":" phase distribution"},{"id":"27df5984-abaf-49dc-9480-7278927ebec5","keyword":" phase transformation","originalKeyword":" phase transformation"}],"language":"zh","publisherId":"1005-3093_1998_2_8","title":"Bi_2O_3-ZnO-Nb_2O_5系中焦绿石结构与相分布","volume":"12","year":"1998"},{"abstractinfo":"Niobium pentaoxide (Nb2O5) and nitrogen co-doped TiO2 photocatalysts were prepared by mechanical alloying with Nb2O5, TiO2 and urea as raw materials. The pure TiO2 powders of Degussa P25 were chosen as precursor. Chemical and physical properties of the Nb2O5 and N co-doped TiO2 photocatalysts were investigated, including XRD patterns, XPS spectra, DRS spectra, FT-IR spectra and N-2 adsorption-desorption isotherms. Experiments on photodegradation of methylene blue (MB) and sulfosalicylic acid (SSA) under visible light were carried out to evaluate the photoactivities of the prepared samples, and the chemical oxygen demand (COD) analysis was also conducted as a comparison.","authors":[],"categoryName":"|","doi":"","fpage":"353","id":"0dcf4d72-36aa-4a56-b26d-a2df3f2776fa","issue":"4","journal":{"abbrevTitle":"ROCI","id":"f0f31172-877f-474f-8d76-eb4bb65c22e6","issnPpub":"0922-6168","publisherId":"ROCI","title":"Research on Chemical Intermediates"},"keywords":[{"id":"0c1c552d-9e0f-4a22-9725-a6c7282e3a63","keyword":"photocatalysis;niobium pentaoxide;nitrogen;co-doped;chemical oxygen;demand;titanium-dioxide;nanoparticles;degradation;photolysis;oxide;esr","originalKeyword":"photocatalysis;niobium pentaoxide;nitrogen;co-doped;chemical oxygen;demand;titanium-dioxide;nanoparticles;degradation;photolysis;oxide;esr"}],"language":"en","publisherId":"0922-6168_2008_4_1","title":"Preparation of Nb2O5 and N co-doped TiO2 photocatalysts and their enhanced photocatalytic activities under visible light","volume":"34","year":"2008"},{"abstractinfo":"研究了Sm2O3掺杂的bi2O3-ZnO-Nb2O5(BZN)基陶瓷(Bi1.5-xSmxZn0.5)(Zn0.5Nb1.5)O7(O≤x≤0.6,BSZN),的结构及介电性能.结果表明:纯BZN陶瓷的结构为立方焦绿石单相;当Sm2O3掺杂量较少(O<x≤0.5)时,样品的相结构仍然保持立方焦绿石单相;随着Sm2O3掺杂量的进一步增加(x≥0.6),样品出现其它相.同时,试样的介电性能随结构的变化而呈现有规律的变化.","authors":[{"authorName":"周焕福","id":"6a5b8444-d1dc-4c64-be1f-e57cef633544","originalAuthorName":"周焕福"},{"authorName":"黄金亮","id":"41681d95-4449-424a-950e-84b3c5915039","originalAuthorName":"黄金亮"},{"authorName":"殷镖","id":"5501389c-504b-480a-86de-146c5328a4c1","originalAuthorName":"殷镖"},{"authorName":"孙道明","id":"bb849642-969a-438b-9f20-445ef5741691","originalAuthorName":"孙道明"}],"doi":"10.3969/j.issn.1007-4252.2005.02.019","fpage":"215","id":"e7790366-b435-4cf0-82d1-4c50cbb9689e","issue":"2","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"8a8d4e29-5060-4c15-98e5-6cffedc84150","keyword":"BZN 基陶瓷","originalKeyword":"BZN 基陶瓷"},{"id":"5e9658e3-0649-4dbc-93d2-1a8f4422ebb7","keyword":"立方焦绿石","originalKeyword":"立方焦绿石"},{"id":"7475e3d6-0acb-44b8-a8be-8eebff08cd26","keyword":"掺杂","originalKeyword":"掺杂"},{"id":"da55cbf3-cbda-47c1-83ca-dd5ea245d102","keyword":"介电性能","originalKeyword":"介电性能"}],"language":"zh","publisherId":"gnclyqjxb200502019","title":"Sm2O3掺杂Bi2O3-ZnO-Nb2O5基陶瓷的结构与性能","volume":"11","year":"2005"},{"abstractinfo":"用显微观察分析、I-V特性及复阻抗频谱的测量,研究了不同Nb5+和Sr2+掺量的SrO-Nb2O5-TiO2系半导体压敏陶瓷材料的微观结构和相关电学性质;讨论了掺杂Nb5+和Sr2+的分布和作用;Nb5+固溶在TiO2中取代Ti4+并使晶粒成为半导化,同时也有助于晶粒生长;而 Sr2+主要分布在晶粒边界处,对表面受主态及材料相关电学性能有重要影响;在大气气氛中热处理后的实验结果表明:处理温度在800℃以上时,能显著提高压敏电压,但只有适当的热处理温度。才能使非线性系数有所改善.","authors":[{"authorName":"周方桥","id":"4f3636a8-b437-41c2-aa1d-2d11ca11a5f0","originalAuthorName":"周方桥"},{"authorName":"李莉","id":"60736722-fa9e-4a0f-afe6-b479f9eb6484","originalAuthorName":"李莉"},{"authorName":"傅刚","id":"b8e6f6c6-c71d-4c4b-9004-e092ac826909","originalAuthorName":"傅刚"},{"authorName":"陈志雄","id":"ddd41e7d-0e6f-4f47-8e01-2cc51b47e860","originalAuthorName":"陈志雄"},{"authorName":"庄严","id":"c5eeef11-9128-43db-8d01-1be466421351","originalAuthorName":"庄严"}],"categoryName":"|","doi":"","fpage":"1174","id":"7aa5bd39-056c-4f56-9836-07324819e1cb","issue":"6","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"f41b47ee-818a-4f9a-bab7-aa6acf260116","keyword":"(Sr","originalKeyword":"(Sr"},{"id":"2282f6f2-a747-430a-8861-5d3c3d0cca01","keyword":" Nb)-TiO2 ceramic","originalKeyword":" Nb)-TiO2 ceramic"},{"id":"d58a7dfa-d336-4d7f-aafa-ac958f5a9637","keyword":" semiconductor","originalKeyword":" semiconductor"},{"id":"7aa0ba14-b88c-4e1a-bd01-b41adf7d800a","keyword":" varistor","originalKeyword":" varistor"}],"language":"zh","publisherId":"1000-324X_2002_6_6","title":"SrO-Nb2O5-TiO2系压敏陶瓷中Nb5+和Sr2+的研究","volume":"17","year":"2002"},{"abstractinfo":"用显微观察分析、I-V特性及复阻抗频谱的测量,研究了不同Nb5+和Sr2+掺量的SrO-Nb2O5-TiO2系半导体压敏陶瓷材料的微观结构和相关电学性质;讨论了掺杂Nb5+和Sr2+的分布和作用;Nb5+固溶在TiO2中取代Ti4+并使晶粒成为半导化,同时也有助于晶粒生长;而Sr2+主要分布在晶粒边界处,对表面受主态及材料相关电学性能有重要影响;在大气气氛中热处理后的实验结果表明:处理温度在800°C以上时,能显著提高压敏电压,但只有适当的热处理温度,才能使非线性系数有所改善.","authors":[{"authorName":"周方桥","id":"a525a3f8-1a62-4b92-9f8b-71e27ab290fb","originalAuthorName":"周方桥"},{"authorName":"李莉","id":"b781abe7-9190-49b6-ab4c-594fb6ac5595","originalAuthorName":"李莉"},{"authorName":"庄严","id":"ecae8623-28d8-45cd-9ea7-66876b858e76","originalAuthorName":"庄严"},{"authorName":"傅刚","id":"6be79082-480d-40f3-93ac-c6e1c9d0dfde","originalAuthorName":"傅刚"},{"authorName":"陈志雄","id":"6f607ae7-3e87-4ae1-a228-2e075d055b82","originalAuthorName":"陈志雄"}],"doi":"10.3321/j.issn:1000-324X.2002.06.015","fpage":"1174","id":"5aa208f1-6f69-4a66-afe8-3c8b71627839","issue":"6","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"92fdbe87-b6b8-4817-9767-864d79b2d72b","keyword":"(Sr,Nb)-TiO2陶瓷","originalKeyword":"(Sr,Nb)-TiO2陶瓷"},{"id":"a1708e70-13bd-4c04-901f-48ac829210b0","keyword":"半导体","originalKeyword":"半导体"},{"id":"30a7214e-64c1-4435-91b6-adcb01aadacf","keyword":"压敏电阻","originalKeyword":"压敏电阻"}],"language":"zh","publisherId":"wjclxb200206015","title":"SrO-Nb2O5-TiO2系压敏陶瓷中Nb5+和Sr2+的研究","volume":"17","year":"2002"},{"abstractinfo":"以Li2CO3、B2O3和V2O5 3种常见的低熔点氧化物为烧结助剂,用传统固相法制备了Li2CQ-B2O3-V2O5掺杂的ZnO-TiO2微波介质陶瓷,并利用XRD、SEM等研究了ZnO-TiO2陶瓷的烧结行为、物相组成、显微结构特征及微波介电性能等.结果表明,当掺入3%(质量分数)Li2CO3-B2O3-V2O5时,在840℃烧结2h可制备出体积密度为4.99g/cm3的ZnO-TiO2陶瓷,达到理论密度的96.5%以上,εr、Q·f、τf分别约为24、22900GHz、-4×10-6/℃.","authors":[{"authorName":"喻佑华","id":"4a22f145-96c5-4d6c-9987-c153999f36ea","originalAuthorName":"喻佑华"},{"authorName":"李海南","id":"3944592a-58b6-4be6-9b8e-46522c67c92d","originalAuthorName":"李海南"},{"authorName":"夏萌","id":"e8027caa-c9e7-4481-8fb3-4447a082d332","originalAuthorName":"夏萌"}],"doi":"","fpage":"136","id":"a5d3c4a1-71e6-40e5-87e1-1c6af4a95bf8","issue":"2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"c2efc228-7cc6-4524-a9ae-0b4370acb87a","keyword":"ZnO-TiO2","originalKeyword":"ZnO-TiO2"},{"id":"fb98b70f-2126-4231-99c2-dbcc0f0905b5","keyword":"Li2CO3-B2O3-V2O5","originalKeyword":"Li2CO3-B2O3-V2O5"},{"id":"8918b3e0-9fd4-49d5-9917-f52f607a018c","keyword":"掺杂","originalKeyword":"掺杂"},{"id":"e91d2abd-ea8e-4d22-b60a-04ee58948910","keyword":"微波介电性能","originalKeyword":"微波介电性能"}],"language":"zh","publisherId":"cldb201202033","title":"Li2CO3-B2O3-V2O5掺杂ZnO-TiO2陶瓷低温烧结的研究","volume":"26","year":"2012"}],"totalpage":9682,"totalrecord":96815}