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作品数:44被引量:40H指数:3
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Enhanced thermoelectric properties of Zintl phase YbMg_(2)Bi1.98 through Bi site substitution with Sb被引量:1
《Journal of Materials Science & Technology》2020年第24期189-194,共6页Jing Wang Muchun Guo Jianbo Zhu Dandan Qin Fengkai Guo Qian Zhang Wei Cai Jiehe Sui 
supported financially by the National Natural Science Foundation of China(Nos.51771065 and 51871082)。
Benefiting from the unique"Phonon-Glass,Electron-Crystal"(PGEC)characteristic,Zintl phases have been considered as a kind of promising thermoelectric materials.For the typical AM2X2 compounds with the CaAl2Si2-type st...
关键词:Zintl phase YbMg_(2)Bi2 Anionic substitution Thermoelectric properties 
Anomalous phonon softening in the topological insulator Sn-doped Bi1.1Sb0.9Te2S被引量:1
《Science China(Physics,Mechanics & Astronomy)》2020年第11期85-89,共5页BoWen Li WenChao Jiang GuanYu Chen Ying Xiang Wei Xie YaoMin Dai XiYu Zhu Huan Yang Hai-Hu Wen 
supported by the National Natural Science Foundation of China(Grant No.11874206);the Fundamental Research Funds for the Central Universities(Grant No.020414380095)。
Investigations into the phonon behavior provide important information on interactions between different excitations in quantum materials.We perform a detailed study of the phonon behavior in the topological insulator ...
关键词:topological insulator infrared spectroscopy PHONON 
氧分压对PLD法生长Bi:YIG薄膜结构性能的影响
《吕梁学院学报》2020年第2期47-49,共3页王娟娟 
钇铁石榴石(YIG)磁光纳米薄膜由于其独特的磁光性能,在光隔离器方面有很广泛的应用前景.鉴于YIG在使用中磁光性能较弱的局限性,采用脉冲激光淀积PLD法,在硅基底上单步淀积生长了Bi掺杂的Bi1.5Y1.5Fe5O12纳米磁光薄膜,从而可以改善YIG在...
关键词:Bi1.5Y1.5Fe5O12纳米磁光薄膜 氧分压 物相结构 
高压烧结制备Tb掺杂n型(Bi1–xTbx)2(Te0.9Se0.1)3合金及其微结构和热电性能被引量:3
《物理学报》2020年第5期182-189,共8页邹平 吕丹 徐桂英 
贵州省自然科学基金(批准号:20191168);贵州省教育厅青年基金(批准号:2016157)资助的课题~~
采用高压烧结技术制备了稀土元素Tb掺杂的n型Bi2Te2.7Se0.3基纳米晶块体热电材料.将高压烧结成型的样品于633 K真空退火36 h.研究了Tb掺杂量对样品的晶体结构和热电性能的影响.结果表明,高压烧结制备的样品为纳米结构, Tb掺杂使样品的...
关键词:高压烧结 Tb掺杂 n型Bi2Te2.7Se0.3 热电性能 
Point-contact tunneling spectroscopy between a Nb tip and an ideal topological insulator Sn-doped Bi1.1Sb0.9Te2S
《Science China(Physics,Mechanics & Astronomy)》2019年第9期104-109,共6页ZhiXin Liu Ying Xiang Guan-Yu Chen Wei Xie Huan Yang XiYu Zhu Hai-Hu Wen 
supported by the National Key R&D Program of China(Grant No.2016YFA0300401);the National Natural Science Foundation of China(Grant No.11534005)
The lightly Sn-doped Bi1.1Sb0.9Te2S is a good material to investigate the pure topological surface state because the bulk bands are far away from the Fermi level. By measuring point-contact tunneling spectra on the to...
关键词:topological INSULATOR superconducting JUNCTIONS point contact TUNNELING 
Bi1.5Zn1.0Nb1.5O7栅绝缘层的SiO2修饰对ZnO-TFTs性能的影响
《电子学报》2019年第6期1344-1351,共8页叶伟 崔立堃 常红梅 
陕西省教育厅专项科学研究计划(No.17JK0144,No.18JK0151);陕西省工业自动化重点实验室项目(No.09JS045);陕西理工大学人才启动项目(No.SLGQD2017-19)
具有高介电常数的栅绝缘层材料存在某种极化及耦合作用,使得ZnO-TFTs具有高的界面费米能级钉扎效应、大的电容耦合效应和低的载流子迁移率.为了解决这些问题,本文提出了一种使用SiO 2 修饰的Bi 1.5 Zn 1.0 Nb 1.5 O 7 作为栅绝缘层的ZnO...
关键词:SIO2薄膜 氧化锌薄膜晶体管 修饰层 Bi1.5Zn1.0Nb1.5O7薄膜 射频磁控溅射 
A Novel Visible-light-responsive Photocatalyst Bi1.5Cr0.5WO6 with Suitable Bandgap Structure and Its Application in Water Decontamination
《Chinese Journal of Structural Chemistry》2019年第6期930-940,共11页XIE Li-Yan LIU Ping HUANG Li-Ting WANG Wan-Jun HUANG Jian-Hui 
financially supported by the Natural Science Foundation of Fujian province(2016J05042,2015J01057,2018J01439);Open Fund of State Key Laboratory of Photocatalysis on Energy and Environment(SKLPEE-KF201505);Scientific Project of Putian Science and Technology Bureau(2016S1001);Science and Technology Project of Fujian Provincial Department of Education(JA15444);the Projects of Putian University(2015065,2015081);Program for New Century Excellent Talents in Fujian Province University
Integrating the advantages of Bi and Cr elements in the bandgap engineering of metal oxides, a visible-light-responsive photocatalyst Bi1.5Cr0.5WO6 is successfully constructed and initially applied in water decontamin...
关键词:tungsten acid BISMUTH chromium VISIBLE-LIGHT response photocatalysis WATER DECONTAMINATION MALACHITE green 
不同方式引入CuO制备低温烧结(Bi1.5Zn0.5)(Zn0.5Nb1.5)O7陶瓷被引量:4
《粉末冶金技术》2018年第5期386-392,共7页金彪 徐卓越 汪潇 杨留栓 
河南省科技厅基金资助项目(122102210431);河南省新型墙材基金资助项目(豫财建[2017]189号)
以Bi2O3、ZnO和Nb2O5为原料,采用传统固相反应法制备(Bi1.5Zn0.5)(Zn0.5Nb1.5)O7(BZN)陶瓷。通过Cu O包覆层修饰BZN粉体表面,引入Cu O助烧剂代替直接混合BZN和Cu O粉体。以CuSO4溶液为先驱体制备CuO包覆层,采用液相包覆法引入助烧剂...
关键词:微波介质陶瓷 助烧剂 低温烧结 介电性能 
Microstructure and thermoelectric properties of Bi1.9Lu0.1Te3 compound被引量:1
《Rare Metals》2018年第8期642-649,共8页Maxim Yaprintsev Roman Lyubushkin Oxana Soklakova Oleg Ivanov 
financially supported by the Ministry of Education and Science of the Russian Federation (No.3.6586.2017/BY and 03.G25.31.0246)
Effect of fabrication conditions on microstructure and thermoelectric properties of the Bi1.9Lu0.lTe3 compound was studied. Starting nanopowder with mean nanoparticle size of -37 nm was synthesized by a microwave-solv...
关键词:Bi1.9Lu0.1Te3 compound Spark plasmasintering Cold isostatic pressing Grain structure Thermoelectric properties 
Bi1.85In0.15Se3单晶的结构及输运特性研究
《功能材料》2017年第1期1064-1067,共4页张敏 魏占涛 羊新胜 
国家青年科学基金资助项目(51271155,51002125,51377138);四川省科技厅应用基础研究资助项目(2014JY0133);西华师范大学博士科研启动基金资助项目(412577)
主要研究了Bi_(1.85)In_(0.15)Se_3的晶体结构、微观形貌及电输运性能。样品具有六方层状结构,形成的晶体易解理。样品的电阻率曲线在低温区域出现了金属-绝缘体转变行为。拟合结果表明,在低温下电子-电子散射和Mott变程跃迁模式共存,M...
关键词:Bi1.85In0.15Se3 单晶 输运性能 负磁电阻效应 
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