空穴掺杂Sr2FeMoO6的晶体结构及磁性研究

胡艳春; 王艳文; 张克磊; 王海英; 马恒; 路庆凤

doi:10.7498/aps.61.226101

摘要

采用传统高温固相反应法制备了空穴掺杂的系列样品Sr2-xKxFeMoO6 (0 x 0.04), 研究了其晶体结构和磁性质. X射线粉末衍射结果表明该系列样品均为单相, 四方晶系, 空间群为I4/m. 碱金属K的含量可以调控反位缺陷的浓度. 未掺杂样品Sr2FeMoO6在280 K时的原胞磁矩为1.12 B. 掺杂量为x=0.04样品的原胞磁矩为1.26 B. 阳离子有序、晶格畸变是影响Sr2-xKxFeMoO6磁性的重要因素.

关键词:

Abstract

Samples of Sr2-xKxFeMoO6 (x=0, 0.01, 0.02, 0.03, 0.04) are prepared by standard solid-state reaction. The crystal structures and magnetic properties for the ordered double perovskite oxides Sr2-xKxFeMoO6 (0 x 0.04) are investigated. X-ray powder diffraction studies reveal that all the samples are of single phase and each of them has a I4/m symmetry. The anti-site defects in double perovskite oxides of Sr2FeMoO6 may be adjusted by alkali metal element of K doping. The unit cell magnetizations at 280 K are 1.12B for x=0.00 and 1.26B for x=0.04. The cation-ordering and the variation of structure parameters play improtant roles in determining the magnetism in the doping system.

Keywords:

作者及机构信息

1.
河南师范大学物理与信息工程学院, 新乡 453007;

2.
河南省光伏材料重点实验室, 新乡 453007;

3.
新乡医学院生命科学技术系, 新乡 453003

基金项目: 国家自然科学基金(批准号:11074066)、河南师范大学博士科研启动金 (批准号: 01026500109)和河南省科技厅科技攻关项目(批准号:102102210186)资助的课题.

Authors and contacts

1.
College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;

2.
Henan Province Key Laboratory of Photovoltaic Materials, Xinxiang 453007, China;

3.
Department of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11074066), the Henan Normal University Doctor Science Foundation (Grant No. 01026500109), and the Scientific and Technological Project of Henan Province (Grant No. 102102210186).

参考文献

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[31]	Muñoz-Garcia A B, Michele Pavone, Carter Emily A 2011 Chem. Mater. 23 4525

施引文献

[1]	Long Y W, Hayashi N, Saito T, Azuma M, Muranaka S, Shimakawa Y 2009 Nature 458 60
[2]	Chakraverty S, Yoshimatsu K, Kozuka Y, Kumigashira H, Oshima M, Makino T, Ohtomo A, Kawasaki M 2011 Phys. Rev. B 84 132411
[3]	Prodi A, Gilioli E, Gauzzi A, Licci F, Marezio M, Bolzoni F, Huang Q, Santoro A, Lynn J W 2004 Nature Materials 3 48
[4]	Yonatan Dubi, Yigal Meir Yshai Avishai 2007 Nature 449 876
[5]	Yanez-Vilar S, Mun E D, Zapf V S, Ueland B G, Gardner J S, Thompson J D, Singleton J, Sanchez-Andujar M, Mira J, Biskup N, Senaris-Rodriguez M A, Batista C D 2011 Phys. Rev. B 84 134427
[6]	Kobayashi K I, Kimura T, Sawada H, Terakura K, Tokura Y 1998 Nature 395 677
[7]	Patterson F K, Moeller C W, Ward R 1963 Inorg. Chem. 2 196
[8]	Galasso F S, Douglas F C, Kasper R J 1966 J. Chem. Phys. 44 1672
[9]	Shannon R D 1976 Acta Cryst. 32 751
[10]	Anderson Mark T, Greenwood Kevin B, Taylor Gregg A, Poeppelmeier Kenneth R 1993 Prog. Solid State Chem. 22 197
[11]	Hauser Adam J, Williams Robert E A, Ricciardo Rebecca A, Arda Genc, Manisha Dixit, Lucy Jeremy M, Woodward Patrick M, Fraser Hamish L, Yang F Y 2011 Phys. Rev. B 83 014407
[12]	Panguluri Raghava P, Sheng Xu, Yutaka Moritomo, Solovyev I V, Nadgorny B 2009 Appl. Phys. Lett. 94 012501
[13]	Park B G, Jeong Y H, Park J H 2009 Phys. Rev. B 79 035105
[14]	Imada M, Fujimori A, Tokura Y 1998 Rev. Mod. Phys. 70 1039
[15]	Goto T, Luthi B 2003 Adv. Phys. 52 67
[16]	Lee P A, Nagaosa N, Wen X G 2006 Rev. Mod. Phys. 78 17
[17]	Salamon M B, Jaime M 2001 Rev. Mod. Phys. 73 583
[18]	Navarro J, Fontcuberta J, Izquierdo M, Avila J, Asensio M C 2004 Phys. Rev. B 69 115101
[19]	Hu Y C, Ge J J, Ji Q, Jiang Z S, Wu X S, Cheng G F 2010 Mater. Chem. Phys. 124 274
[20]	Lu M F, Wang J P, Liu J F, Hao X F, Zhou D F, Wu Z J, Meng J 2006 Appl. Phys. Lett. 89 092505
[21]	Kim G, Lee S S, Wi S C, Kang J S, Han S W, Kim J Y, Lee B W, Kim J Y, Shin H J, Parr B G, Park J H, Min B I 2006 Journal of Applied Physics 99 08Q309
[22]	Zhang Q, Rao G H, Xiao Y G, Liu G Y, Zhang Y, Liang J K 2006 Appl. Phys. A 84 459
[23]	Hu Y C, Ji Q, Ge J J, Xie R B, Jiang Z S, Wu X S, Cheng G F, Liu H R, Lu Q F 2010 J. Alloy. Compd. 492 496
[24]	Toby B H 2001 J. Appl. Cryst. 34 210
[25]	Wu X S, Chen W M, Jin X, Jiang S S 1996 Physica C 273 99
[26]	Wu X S, Jiang S S, Xu N, Pan F M, Huang X R, Ji W, Mao Z Q, Xu G J, Zhang Y H 1996 Physica C 266 296
[27]	LÜ M F, Wang J P, Liu J F, Song W, Hao X F, Zhou D F, Liu X J, Wu Z J, Meng J 2007 J. Alloy. Compd. 428 214
[28]	Shannon R D 1976 Acta Cryst. 32 751
[29]	Teresa J M De, Serrate D, Blasco J, Ibarra M R, Morellon L 2004 Physical Review B 69 144401
[30]	Linden J, Yamamoto T, Karppinen M, Yamauchi H, Pietari T 2000 Appl. Phys. Lett. 76 2925
[31]	Muñoz-Garcia A B, Michele Pavone, Carter Emily A 2011 Chem. Mater. 23 4525

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