云南高校图书馆联盟文献共享服务平台- NIOBIUM

NIOBIUM: 作品数：281被引量：577H指数：10; 导出分析报告; 相关作者：闫久春赵东升纪卓尚刘玉君李想更多>>; 相关机构：西安建筑科技大学哈尔滨工业大学大连理工大学上海交通大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家教育部博士点基金更多>>

Giant low-field reversible magnetocaloric effect at liquid helium temperature of niobium and iron co-substituted EuTiO_(3) compounds被引量：2: 《Journal of Rare Earths》2024年第4期710-715,共6页Zhihong Hao Quanyi Liu Huicai Xie Yan Zhang Zhaojun Mo; Project supported by the National Natural Science Foundation of China(52171195);Science and Technology Research Project for Education Department of Jiangxi Province(GJJ218509)。; Giant magnetocaloric effect(MCE)materials in the liquid helium temperature region have attracted a lot of attention in the field of low-temperature magnetic refrigeration(MR).In this study,a series of niobium(Nb)and i...; 关键词：Magnetocaloric effect Refrigeration capacity Magnetic entropy change RAREEARTHS

Promotion effect of niobium on ceria catalyst for selective catalytic reduction of NO with NH3: 《Journal of Rare Earths》2022年第10期1535-1545,共11页Bolin Zhang Lifeng Deng Michael Liebau Yingjie Ren Chunyun Luo Bo Liu Shengen Zhang Roger Glaser; Project supported by the Postdoctor Research Foundation of Shunde Graduate School of University of Science and Technology Beijing(2020BH012);the National Key Research&Development Projects(2021YFC1910504);the National Natural Science Foundation of China(U2002212);the Fundamental Research Funds for the Central Universities(FRF-IDRY-20-005)。; The CeO_(2),Ce-Nb-O_(x) and Nb_(2)O_(5) catalysts were synthesized by citric acid method and the promotion effect of Nb on ceria for selective catalytic reduction(SCR)of NO with NH_(3) was investigated.The catalytic a...; 关键词：Cerium-niobium Selective catalytic reduction Redox behavior Acid cycle Synergistic effect Rare earths

On the existence of the compound“Ce_(3)NbO_(7+δ)”prepared under air atmosphere: 《Journal of Rare Earths》2021年第5期596-599,共4页Shi-Kuan Sun Lucy M.Mottram Neil C.Hyatt; Project supported by the Nuclear Decommissioning Authority and EPSRC(EP/S01019X/1,EP/S011935/1 and EP/R511754/1);We are grateful for financial support from the Nuclear Decommissioning Authority and EPSRC under grant numbers EP/S01019X/I,EP/S011935/1 and EP/R511754/1.This research utilised the HADES/MIDAS facility at the University of Sheffield established with financial support from EPSRC and BEIS,under grant EP/T011424/1.^(20)L M M is grateful to EPSRC for a doctoral training studentship.; The solid state synthesis of the phase"Ce_(3)NbO_(7+δ)",from stoichiometric quantities of CeO_(2)and Nb_(2)O_(5),was investigated under air atmosphere,as previously described by Zhang et al.(Journal of Rare Earths,20...; 关键词：CERIUM NIOBIUM XANES XRD Ceramic Rare earths

Effect of niobium substitution on microstructures and thermal stability of TbCu7-type Sm-Fe-N magnets被引量：5: 《Journal of Rare Earths》2018年第3期281-286,共6页Guiyong Wu Hongwei Li Dunbo Yu Kuoshe Li Wenlong Yan Chao Yuan Liang Sun Yang Luo Kun Zhang; Project supported by the National Natural Science Foundation of China(51401028); This paper reports crystal structures, magnetic properties and thermal stability of TbCu7-type Sm（8.5）Fe（（85.8-x）Co（4.5）Zr（1.2）Nbx（x = 0-1.8） melt-spun compounds and their nitrides, investigated by means of...; 关键词：Magnetic properties Thermal stability Grain size Pinning field Irreversible flux loss Rare earths

Synthesis and characterization of lithium niobium borate glasses containing neodymium: 《Journal of Rare Earths》2016年第12期1199-1205,共7页W.H.A.Kamaruddin M.S.Rohani M.R.Sahar LIU Hong SANG Yuanhua; Project supported by the Ministry of Higher Education(Malaysia)(4F412);Postgraduate Fellowship Universiti Teknologi Malaysia(UTM); A series of（90–x）Li2B4O7-10Nb2O5-xNd2O3 glass samples（x=0, 5 mol.%, 10 mol.%, 15 mol.%, 20 mol.% and 25 mol.%） were synthesized using melt quenching technique. X-ray diffraction（XRD）, differential thermal analy...; 关键词：borate glass NEODYMIUM optical properties band gap LUMINESCENCE rare earths

Effect of niobium addition on magnetization reversal behavior for SmCo-based magnets with TbCu7-type structure被引量：6: 《Journal of Rare Earths》2016年第1期61-65,共5页胡晨宇泮敏翔吴琼葛洪良王秀敏卢阳春张朋越; supported by the Natural Science Foundation of Zhejiang Province(LQ15E010005;LR15E010001);National Natural Science Foundation of China(51001092;61379027;51371163 and 51301158);the National Public Interest Research Special Fund(201210107); The effect of Nb addition on the microstructure and magnetic properties of nanocrystaUine Sm（CobaiNbxZr0.02）7 permanent magnet were investigated, The magnetization reversal behavior for ball milled Sm（CobaiNbxZr0.0...; 关键词：nanocrystalline magnet magnetization reversal YbCu7 structure magnetic property rare earths

Effect of niobium on thermal stability and impact toughness of Nd-Fe-B magnets with ultra-high intrinsic coercivity被引量：8: 《Journal of Rare Earths》2011年第3期243-246,共4页胡志华刘国军王会杰; supported by the National High Technology Research and Development Program of China(2007AA03Z438);the National Natural Science Foundations of China(50871032); The effects of Nb on the thermal stability and impact toughness of ultra-high intrinsic coercivity of Nd-Fe-B magnets were investigated.The results showed that the addition of Nb could improve the thermal stability,an...; 关键词：impact toughness magnetic properties ultra-high intrinsic coercivity sintered Nd-Fe-B magnets rare earths

Effect of niobium on glass-formation ability and soft magnetic properties of Gd-doping glassy alloys被引量：1: 《Journal of Rare Earths》2008年第1期89-92,共4页刘烜丁艳红赵水生龙毅叶荣昌常永勤; Project supported by the National Natural Science Foundation of China (50471094); The effect of niobium on glass-formation ability and soft magnetic properties were studied in Fe-Gd-B glassy alloys. The glassy alloys exhibited high glass-formation ability when the element of Nb was added. Bulk glas...; 关键词：iron-based glassy alloys glass-formation ability soft magnetic properties permeability spectrum rare earths

Properties of La_2O_3-Doped PNSZT Piezoelectric Ceramics Having Tetragonal and Rhombohedral Coexistent Phases: 《Journal of Rare Earths》2006年第z2期255-258,共4页黄新友高春华陈志刚; The relationship between composition and the electric mechanical properties for La2O3-doped lead niobium stibium zirconate titanate(La2O3-doped PNSZT) piezoelectric ceramics,in which there are tetragonal and rhombohed...; 关键词：ceramics LA2O3 lead niobium stibium zirconate titanate piezoelectric ceramics rare earths

Effect of Rare Earth (Niobium) on Costed and Hot-Rolled Microstructure and Properties of Heavy Rail Steels被引量：1: 《Journal of Rare Earths》2005年第5期646-646,共1页Yu Ning Sun Zhenyan Ji Jingwen Ren Xinjia Wang Yunsheng Wang Longmei; A compared investigation was made on the microstructure and mechanical properties of continuous casting square blanks of BNbRE and U71Mn heavy rail steels having eutectoid composition. The variation of solidified stru...; 关键词：rail steel niobimn microstructure and property rare earths

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