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Transition and transport behavior in spinel oxide MgTi2O4 and its La-doped counterparts

文献类型：期刊论文

作者Zhu, Yuanyuan1,2; Wang, Rongjuan2; Wang, Li2; Liu, Yong2; Xiong, Rui2; Shi, Jing2; Tian, Mingliang1
刊名JOURNAL OF ALLOYS AND COMPOUNDS
出版日期2016-05-05
卷号666期号:无页码:248-253
关键词Mgti2o4 Electrical Transport Transition
DOI10.1016/j.jallcom.2016.01.062
文献子类Article
英文摘要Spinel oxides Mg1-xLaxTi2O4 (x = 0, 0.005, 0.01, and 0.015) were synthesized by spark plasma sintering. The temperature dependences of resistances were measured and investigated in details. It shows that the transition of MgTi2O4 occurs at T-t similar to 258 K, while the transition is weakening, and the transition temperature T-t decreases with La3+ doping. The fit of resistances versus temperature curves demonstrate that Mg1-xLaxTi2O4 displays metal behavior above T-t, while a dual conducting mechanism, the Mott-insulator like variable range hopping (VRH) and normal activated conduction, should be responsible for the transport behavior of Mg1-xLaxTi2O4 below T-t. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词PHASE-TRANSITION ; LIV2O4 ; METAL ; INSULATOR
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000369581800035
资助机构973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; 973 Program(2012CB821404) ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; Chinese National Foundation of Natural Science(11474224 ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; National Science Fund for Talent Training in Basic Science(J1210061) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225) ; 11474225)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22273]  
专题合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Chinese Acad Sci, High Field Magnet Lab, Shushanhu Rd 350, Hefei 230031, Anhui, Peoples R China
2.Wuhan Univ, Sch Phys & Technol, Minist Educ, Key Lab Artificial Micro & Nanostruct, Wuhan 430072, Peoples R China
推荐引用方式
GB/T 7714		 Zhu, Yuanyuan,Wang, Rongjuan,Wang, Li,et al. Transition and transport behavior in spinel oxide MgTi2O4 and its La-doped counterparts[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2016,666(无):248-253.
APA Zhu, Yuanyuan.,Wang, Rongjuan.,Wang, Li.,Liu, Yong.,Xiong, Rui.,...&Tian, Mingliang.(2016).Transition and transport behavior in spinel oxide MgTi2O4 and its La-doped counterparts.JOURNAL OF ALLOYS AND COMPOUNDS,666(无),248-253.
MLA Zhu, Yuanyuan,et al."Transition and transport behavior in spinel oxide MgTi2O4 and its La-doped counterparts".JOURNAL OF ALLOYS AND COMPOUNDS 666.无(2016):248-253.

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来源：合肥物质科学研究院

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