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Single crystal growth and magnetic properties of spinel structure and spin ordering compound CaTi2O4

Liu Yong Zhou Rui Li Jing Zhang Yue Xiong Rui Yin Di Tang Wu-Feng Shi Jing

Single crystal growth and magnetic properties of spinel structure and spin ordering compound CaTi2O4

Liu Yong, Zhou Rui, Li Jing, Zhang Yue, Xiong Rui, Yin Di, Tang Wu-Feng, Shi Jing
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  • High quality and large-size single crystals of CaTi2O4 were prepared by the molten salt flux method. The X-ray diffraction and the EDS results showed that all the CaTi2O4 crystals have the rom temperature lattice parameters a=9.781 ?,b=9.966 ? and c=3.148 ?, and all the samples have perfect stoichiometric composition. Through the magnetic susceptibility measurement, we first obtained the Van-Vleck paramagnetic parameter of CaTi2O4 of 6.85×10-5cm3/mol, and Cure-Weiss temperature of -0.44 K, revealing that CaTi2O4 is a weak ferromagnetic compound. Further more, the existence of Ti-Ti dimer was confirmed by anisotropy measurement, the structure and direction of the antiferromagnetic dimer chains were also determined.
    • Funds:
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    Tang Z, Li C Z, Yin D, Zhu B P, Wang L L, Wang J F, Xiong R, Wang Q Q, Shi J 2006 Acta Phys. Sin. 55 6532 ( in Chinese ) [汤 征、李长真、尹 镝、朱本鹏、汪丽莉、王俊峰、熊 鋭、王取泉、石 兢 2006 物理学报 55 6532]

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    Okamoto Y, Niitaka S, Uchida M, Waki T, Takigawa M, Nakatsu Y, Sekiyama A, Suga S, Arita R, Takagi H 2008 Phys. Rev. Lett. 101 86404

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    Radaelli P G, Horibe Y, Gutmann M J, Ishibashi H, Chen C H, Ibberson R M, Koyama Y, Hor Y, Kiryukhin V, Cheong S 2002 Nature 416 155

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    Khomskii D I, Mizokawa T 2005 Phys. Rev. Lett. 94 156402

    [8]

    Yang H X, Zhu B P, Zeng L J, Tian H F, Ma C, Shi J, Li J Q 2008 Journal of Physics: Condensed Matter 20 275230

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    Schmidt M, Ratcliff W N, Radaelli P G, Refson K, Harrison N M, Cheong S W 2004 Phys. Rev. Lett. 92 56402

    [10]

    Geselbracht M J, Erickson A s, Rogge M P, Greedan J E, Walton R I, Stoltzfus M W, Eng H W, Woodward P M 2006 J. Solid State Chem. 179 3489

    [11]

    Rogge M P, Caldwell J H, Ingram D R, Green C E, Geselbracht M J, Siegrist T 1998 J. Solid State Chem. 141 338

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    Zhou H D, Goodenough J B 2005 Phys. Rev. B 72 45118

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    Alexander D T L, Schwandt C, Frayb D J 2006 Acta Mater. 54 5

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    Margret J G, Liam D N, Lien T N, Jessica H P, Richard I W, E. Sarah C, Franck M, Dermot O 2004 Chem. Mater. 16 1153

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    Zhu B P, Tang Z, Zhao L H, Wang L L, Li C Z, Yin D, Yu Z X, Tang W F, Xiong R, Shi J, Ruan X F 2006 Mater. Lett. 61 578

    [16]

    Isobe M, Ueda A Y 2004 J. Alloy. Compd. 383 85

    [17]

    Zhang T, Chen P, Li C 2009 Chin. Phys. B 18 1346

    [18]

    Lee S H, Louca D, Ueda H, Park S, Sato T J, Isobe M, Ueda Y, Rosenkranz S, Zschack P, Iniguez J, Qiu Y, Osborn R 2004 Phys. Rev. Lett. 93 156407

    [19]

    Liu X B, Zhang S Y, Shen B G 2004 Chin. Phys. 13 0397

    [20]

    Du F, Li X, Huang Z F, Li A, Wang C Z, Chen G 2009 Acta Phys. Sin. 58 541 ( in Chinese ) [杜 菲、李 旭、黄祖飞、李 昂、王春忠、陈 岗 2009 物理学报 58 541]

    [21]

    Wang L L, Xiong R, Wei W, Hu N, Lin Y, Zhu B P, Tang W F, Yu Z X, Tang Z, Shi J 2008 Acta Phys. Sin. 57 4334 ( in Chinese ) [汪丽莉、熊 锐、魏 伟、胡 妮、林 颖、朱本鹏、汤五丰、余祖兴、汤 征、石 兢 2008 物理学报 57 4334]

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    Hohl H, Kloc C, Bucher E 1996 J. Solid State Chem. 125 216

  • [1]

    Johnston D C, Prakash H, Zachariasen W H, Viswanathan R 1973 Mater. Res. Bull. 8 777

    [2]

    Kondo S, Johnston D C, Swenson C A, Borsa F, Mahajan A V, Miller L L, Gu T, Kojima A I, Luke G M, Uemura Y J, Chmaissem O, Jorgensen J D 1997 Phys. Rev. Lett. 78 3729

    [3]

    Ueda Y, Fujiwara N, Yasuoka H 1997 J. Phys. Soc. Jpn. 66 778

    [4]

    Tang Z, Li C Z, Yin D, Zhu B P, Wang L L, Wang J F, Xiong R, Wang Q Q, Shi J 2006 Acta Phys. Sin. 55 6532 ( in Chinese ) [汤 征、李长真、尹 镝、朱本鹏、汪丽莉、王俊峰、熊 鋭、王取泉、石 兢 2006 物理学报 55 6532]

    [5]

    Okamoto Y, Niitaka S, Uchida M, Waki T, Takigawa M, Nakatsu Y, Sekiyama A, Suga S, Arita R, Takagi H 2008 Phys. Rev. Lett. 101 86404

    [6]

    Radaelli P G, Horibe Y, Gutmann M J, Ishibashi H, Chen C H, Ibberson R M, Koyama Y, Hor Y, Kiryukhin V, Cheong S 2002 Nature 416 155

    [7]

    Khomskii D I, Mizokawa T 2005 Phys. Rev. Lett. 94 156402

    [8]

    Yang H X, Zhu B P, Zeng L J, Tian H F, Ma C, Shi J, Li J Q 2008 Journal of Physics: Condensed Matter 20 275230

    [9]

    Schmidt M, Ratcliff W N, Radaelli P G, Refson K, Harrison N M, Cheong S W 2004 Phys. Rev. Lett. 92 56402

    [10]

    Geselbracht M J, Erickson A s, Rogge M P, Greedan J E, Walton R I, Stoltzfus M W, Eng H W, Woodward P M 2006 J. Solid State Chem. 179 3489

    [11]

    Rogge M P, Caldwell J H, Ingram D R, Green C E, Geselbracht M J, Siegrist T 1998 J. Solid State Chem. 141 338

    [12]

    Zhou H D, Goodenough J B 2005 Phys. Rev. B 72 45118

    [13]

    Alexander D T L, Schwandt C, Frayb D J 2006 Acta Mater. 54 5

    [14]

    Margret J G, Liam D N, Lien T N, Jessica H P, Richard I W, E. Sarah C, Franck M, Dermot O 2004 Chem. Mater. 16 1153

    [15]

    Zhu B P, Tang Z, Zhao L H, Wang L L, Li C Z, Yin D, Yu Z X, Tang W F, Xiong R, Shi J, Ruan X F 2006 Mater. Lett. 61 578

    [16]

    Isobe M, Ueda A Y 2004 J. Alloy. Compd. 383 85

    [17]

    Zhang T, Chen P, Li C 2009 Chin. Phys. B 18 1346

    [18]

    Lee S H, Louca D, Ueda H, Park S, Sato T J, Isobe M, Ueda Y, Rosenkranz S, Zschack P, Iniguez J, Qiu Y, Osborn R 2004 Phys. Rev. Lett. 93 156407

    [19]

    Liu X B, Zhang S Y, Shen B G 2004 Chin. Phys. 13 0397

    [20]

    Du F, Li X, Huang Z F, Li A, Wang C Z, Chen G 2009 Acta Phys. Sin. 58 541 ( in Chinese ) [杜 菲、李 旭、黄祖飞、李 昂、王春忠、陈 岗 2009 物理学报 58 541]

    [21]

    Wang L L, Xiong R, Wei W, Hu N, Lin Y, Zhu B P, Tang W F, Yu Z X, Tang Z, Shi J 2008 Acta Phys. Sin. 57 4334 ( in Chinese ) [汪丽莉、熊 锐、魏 伟、胡 妮、林 颖、朱本鹏、汤五丰、余祖兴、汤 征、石 兢 2008 物理学报 57 4334]

    [22]

    Hohl H, Kloc C, Bucher E 1996 J. Solid State Chem. 125 216

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  • Received Date:  15 September 2009
  • Accepted Date:  03 December 2009
  • Published Online:  05 April 2010

Single crystal growth and magnetic properties of spinel structure and spin ordering compound CaTi2O4

  • 1. Key Laboratory of Acoustic and Photonic Material and Device of Ministry of Education, Department of Physics,Wuhan University, Wuhan 430072, China

Abstract: High quality and large-size single crystals of CaTi2O4 were prepared by the molten salt flux method. The X-ray diffraction and the EDS results showed that all the CaTi2O4 crystals have the rom temperature lattice parameters a=9.781 ?,b=9.966 ? and c=3.148 ?, and all the samples have perfect stoichiometric composition. Through the magnetic susceptibility measurement, we first obtained the Van-Vleck paramagnetic parameter of CaTi2O4 of 6.85×10-5cm3/mol, and Cure-Weiss temperature of -0.44 K, revealing that CaTi2O4 is a weak ferromagnetic compound. Further more, the existence of Ti-Ti dimer was confirmed by anisotropy measurement, the structure and direction of the antiferromagnetic dimer chains were also determined.

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