国家自然科学基金(50801002)

作品数:12被引量:29H指数:3
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相关作者:张久兴张忻张飞鹏路清梅刘燕琴更多>>
相关机构:北京工业大学广西民族师范学院河南城建学院合肥工业大学更多>>
相关期刊:《Journal of Rare Earths》《金属功能材料》《功能材料》《无机材料学报》更多>>
相关主题:DOPING热电性能氧化物电输运输运特性更多>>
相关领域:一般工业技术理学电子电信化学工程更多>>
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Significant role of nanoscale Bi-rich phase in optimizing thermoelectric performance of Mg3Sb2被引量:1
《Chinese Physics B》2020年第6期405-410,共6页Yang Wang Xin Zhang Yan-Qin Liu Jiu-Xing Zhang Ming Yue 
National Natural Science Foundation of China(Grant Nos.51371010,51572066,and 50801002);the Beijing Municipal Natural Science Foundation,China(Grant No.2112007);the Fundamental Research Funds for the Central Universities(Grant No.PXM2019-014204-500032);the Science Fund from the Advanced Space Propulsion Laboratory of BICE and Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology,China(Grant No.LabASP-2018-09).
Mg3Sb1.5Bi0.5-based alloys have received much attention,and current reports on this system mainly focus on the modulation of doping.However,there lacks the explanation for the choice of Mg3Sb1.5Bi0.5 as matrix.Here in...
关键词:first principles calculations nanoscale Bi-rich phase Mg3Sb2 thermoelectric performance 
CaB6的原位反应合成及其热电性能
《金属功能材料》2020年第2期14-20,共7页崔寒立 张忻 叶宇轩 刘燕琴 王杨 
国家自然科学基金资助项目(51371010,51572066,50801002);北京市自然科学基金资助项目(2112007)。
CaB6作为一种新型的热电材料,原料丰富且环保。以硼粉和氢化钙粉为原料,通过放电等离子烧结原位反应合成成功制备出了CaB6块体材料。第一性原理计算结果表明,CaB6呈现金属输运特性。试验结果表明,CaB6呈现n型金属输运特性。在373~773 K...
关键词:CaB6 第一性原理计算 原位反应合成 电性能 ZT 
Enhanced electrical transport performance through cation site doping in Y-doped Mg_(3.2)Sb_(2)被引量:4
《Journal of Materiomics》2020年第1期216-223,共8页Yang Wang Xin Zhang Yanqin Liu Yangzhong Wang Hongliang Liu Jiuxing Zhang 
supported by National Natural Science Foundation of China,China(Grant Nos.51371010,51572066 and 50801002);Beijing Municipal Natural Science Foundation,China(Grant No.2112007);the Fundamental Research Funds for the Central Universities,China(PXM2019-014204-500032).
Mg_(3)Sb_(2)-based alloys are promising thermoelectric materials through n-type doping in Mg-rich growth conditions to overcome their intrinsic p-type behavior.First principle calculations are employed to investigate ...
关键词:First principle calculations n-type Mg_(3)Sb_(2) Y doping Thermoelectric performance 
[Ca24Al28O64]4+(4e–)电子化合物的直接合成及热发射性能
《物理学报》2019年第20期246-251,共6页李凡 张忻 张久兴 
国家自然科学基金(批准号:51371010,51572066,50801002)资助的课题~~
[Ca24Al28O64]^4+(4e^–)电子化合物是一种具有高载流子密度、低逸出功的透明导电氧化物,但是繁琐的制备步骤、苛刻的工艺条件极大地限制了其实际应用.本文以特定化学计量比的Ca12Al14O33+CaAl2O4两相为前驱体,在放电等离子烧结系统里...
关键词:C12A7:e^– 钙热反应 热发射 
Thermoelectric properties of Ag-doped compound:Mg_(3-x)Ag_(x)Sb_(2)被引量:3
《Journal of Materiomics》2018年第1期75-79,共5页Yanan Fu Xin Zhang Hongliang Liu Jie Tian Jiuxing Zhang 
This work is supported by National Natural Science Foundation of China(Grant No.51371010,51572066,50801002);the Beijing Municipal Natural Science Foundation(Grant No.2112007).
Mg_(3)Sb_(2)-based thermoelectric materials have poor electrical conductivity which is the key to limit thermoelectric performance that need to be solved.Herein we tuned the carrier concentration of Mg_(3)Sb_(2)-based...
关键词:Mg_(3)Sb_(2) Thermoelectric performance Vacuum suspension smelting Sintering 
Cu掺杂对ZnO氧化物电子结构与电输运性能的影响被引量:9
《量子电子学报》2014年第3期372-378,共7页韦金明 张飞鹏 张久兴 
国家自然科学基金项目(50801002);广西高等教育教改工程项目(2013JGA256);广西教育厅科研立项项目(200911LX473);广西民族师范学院科研项目(XYYB2011026)资助
采用平面波超软赝势密度泛函理论计算方法研究了p型Cu掺杂的纤锌矿结构氧化物ZnO的电子结构,在此基础上分析了其电输运性能。计算结果表明,Cu掺杂ZnO氧化物具有0.6 eV的直接带隙,且为p型半导体,在导带和价带中都出现了由Cu电子能级形成...
关键词:材料 ZnO氧化物 CU掺杂 电子结构 电输运性能 
Effects of praseodymium doping on thermoelectric transport properties of CaMnO_3 compound system被引量:3
《Journal of Rare Earths》2013年第9期885-890,共6页张飞鹏 牛保成 张坤书 张忻 路清梅 张久兴 
Project supported by National Natural Science Foundation of China(50801002);Beijing Municipal Natural Science Foundation(2112007);Basic and Advanced Technology Research Project of Henan Province(132300410071)
The rare earth Pr doped Ca1-xPrxMnO3 (x=0, 0.06, 0.08, 0.1, 0.12, and 0.14) compound bulk samples were prepared to study the effect of Pr doping on thermoelectric transport properties of CaMnO3 compound system. The ...
关键词:CaMnO3 compound Pr doping thermoelectric properties rare earths 
Preparation and thermoelectric transport properties of Ba-, La- and Ag- doped Ca3Co4O9 oxide materials被引量:2
《Journal of Rare Earths》2013年第8期778-783,共6页ZHANG Feipeng LU Qingmei LITingxian ZHANG Xin ZHANG Jiuxing SONG Xiaoyan 
Foundation item: Project supported by National Natural Science Foundation of China (50801002), Beijing Municipal Natural Science Foundation (2112007) and the Education Department of Henan Province Science and Technology Research Projects (13B430895)
The Ba-, La- and Ag-doped polycrystalline Ca2.9M0.1Co4O9 (M=Ca, Ba, La, Ag) thermoelectric bulk samples were pre- pared via citrate acid sol-gel synthesis method followed by spark plasma sintering technique. The bul...
关键词:Ca3Co4O9 oxide Ca-site doping thermoelectric transport properties rare earths 
纳米碲粉体的制备及表征被引量:1
《功能材料》2012年第8期1005-1007,共3页武鹏旭 张忻 马旭颐 路清梅 张久兴 刘燕琴 
国家自然科学基金资助项目(50801002);北京市自然科学基金资助项目(2112007);北京市属高校人才强教计划资助项目(PHR20110812)
利用惰性气体保护蒸发-冷凝法制备了碲(Te)纳米粉体颗粒。通过热力学计算得到碲的蒸汽压随温度的变化关系。利用X射线衍射(XRD)、透射电子显微镜(TEM)、激光粒度仪观测了碲纳米颗粒的晶体结构、形貌,并研究了粉末粒径、分布及形貌与蒸...
关键词:蒸发-冷凝法 蒸汽压 纳米颗粒 
(Mg2Si(1-x)Sbx)(0.4)-(Mg2Sn)0.6)固溶体合金的制备及热电输运特性被引量:3
《无机材料学报》2012年第8期822-826,共5页韩志明 张忻 路清梅 张久兴 张飞鹏 
国家自然科学基金(50801002);北京市自然科学基金(2112007);北京市属高校人才强教计划(PHR20110812)~~
以Mg、Si、Sn、Sb块体为原料,采用熔炼结合放电等离子烧结(SPS)技术制备了n型(Mg2Si1-xSbx)0.4-(Mg2Sn)0.6(0≤x≤0.0625)系列固溶体合金.结构及热电输运特性分析结果表明:当Mg原料过量8wt%时,可以弥补熔炼过程中Mg的挥发损失,形成单相(...
关键词:Mg2Si基热电材料 Sb掺杂 热电性能 放电等离子烧结 
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