强磁场对金属离子掺杂CaTiO3结构和光学性能的影响

李强; 杨合; 薛向欣; 李清伟

doi:10.7498/aps.63.227803

摘要

研究了800 ℃条件下不同制备磁场强度(最高12 T)对CaTiO3 及其浸渍掺杂样品在结构和光学性能方面的影响. 研究表明: 样品吸光性能随浸渍掺杂的离子浓度的增大而提升, 且发生红移现象; 相同掺杂浓度下, 磁场下制备样品的吸光性能均较非磁场下制备的样品有所提高, 但不同磁场强度下所制备样品的吸光曲线彼此差异不大; 此外, 磁制备纯CaTiO3晶体粉末的X-射线衍射曲线峰左移, 紫外-可见漫反射光谱吸收截止波长增长, 这表明强磁场可使CaTiO3晶面间距和晶格常数增大、禁带宽度减小.

关键词:

CaTiO3 /
强磁场 /
掺杂

Abstract

In the paper, the changes of structures and optical properties of metal ions doped modified CaTiO3 prepared under different magnetic field intensities (up to 12 T) and 800 ℃ are studied. The results indicate that the photo absorption performances are enhanced with the ions doped concentration increasing and red shift occurs significantly. With the same doped concentration, the photo absorption performances of the samples prepared under magnetic field are improved compared with under no magnetic field, while there are little differences among the absorption curves of these samples prepared under different magnetic field intensities. Furthermore, it is observed that the X-ray diffraction curve peaks of pure CaTiO3 prepared under magnetic field are all left-shifted and cutoff wavelengths of UV-vis are augmented, which indicates that the interplanar spacing and lattice constant are increased while the band gap is narrowed.

Keywords:

CaTiO3 /
high magnetic field /
dopant

作者及机构信息

1.
东北大学材料与冶金学院, 冶金资源循环科学辽宁省重点实验室, 沈阳 110004;

2.
沈阳建筑大学理学院, 沈阳 110168

基金项目: 国家自然科学基金(批准号:51090384)和辽宁百千万人才工程(批准号:20139210C4)资助的课题.

Authors and contacts

1.
Liaoning Key Laboratory of Metallurgical Resources Recycling Science, School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China;

2.
School of Science, Shenyang Jianzhu University, Shenyang 110168, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51090384) and Liaoning Bai Qian Wan Latlennts Program, China (Grant No 20139210C4).

参考文献

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[20]	Zheng A M, Huang S J, Wang Q, Zhang H L, Deng F, Liu S B 2013 Chin. J. Catal. 34 436
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施引文献

[1]	Labhsetwar N, Doggali P, Rayalu S, Yadav R, Mistuhashi T, Haneda H 2012 Chin. J. Catal. 33 1611
[2]	Zhong W, Au C T, Du Y W 2013 Chin. Phys. B 22 057501
[3]	Shi J W, Guo L J 2012 Prog. Nat. Sci. Mater. Inter. 22 592
[4]	Xiang J, Guo Y T, Zhou G Z, Chu Y Q 2012 Acta Phys. Sin. 61 227201 (in Chinese) [向军, 郭银涛, 周广振, 褚艳秋 2012 物理学报 61 227201]
[5]	Li Z L, An X Y, Cheng X L, Wang X M, Zhang H, Peng L P, Wu W D 2013 Chin. Phys. B 22 037104
[6]	Cai L G, Liu F M, Zhong W W 2010 Chin. Phys. B 19 097101
[7]	Zhang J, Tang S H, Liao L Y, Yu W F 2013 Chin. J. Catal. 34 1051
[8]	Fu X X, Sang L X, Wang J Z, Yang Q H, Sun Y H, Li Z Y, Zeng S L 2001 J. Tianjin Univ. 02 229 (in Chinese) [傅希贤, 桑丽霞, 王俊珍, 杨秋华, 孙艺环, 李增勇, 曾淑兰 2001 天津大学学报 02 229 ]
[9]	Cavalcante L S, Marques V S, Sczancoski J C, Escote MT, JoyaJ M R, Varela J A, Santos M R M C, Pizani P S, Longo E 2008 Chem. Engineer. J. 143 299
[10]	Lemański K, Deren P J 2014 J. Lumin. 145 661
[11]	Yang K, Wang C L, Li J C, Zhang C, Wu Q Z, Zhang Y F, Yin N, Liu X Y 2006 Chin. Phys. 15 1580
[12]	Shen J, Zhou J, Shi G Q, Yang W C, Liu H X, Chen W 2013 Acta Phys. Sin. 62 117702 (in Chinese) [沈杰, 周静, 石国强, 杨文才, 刘韩星, 陈文 2013 物理学报 62 117702]
[13]	Zhang H J 2010 Ph. D. Dissertation (Harbin: Harbin Institute of Technology) (in Chinese) [张红杰 2010 博士学位论文 (哈尔滨: 哈尔滨工业大学)]
[14]	Fu Q, Li J L, He T, Yang G W 2013 J. Appl. Phys. 113 104303
[15]	Nishimoto S, Matsuda M, Miyake M 2006 Chem. Lett. 35 308
[16]	Ren S Y, Ren Z M, Ren W L, Cao G H 2009 Acta Phys. Sin. 58 5567 (in Chinese) [任树洋, 任忠鸣, 任维丽, 操光辉 2009 物理学报 58 5567]
[17]	Du J, Luo Z Q, Li P P 2014 Chin. Phys. C 38 015102
[18]	Yang G, Wang L, Tian J L 2013 Chin. Phys. B 22 127350
[19]	Numoto N, Shimizu K I, Matsumoto K, Miki K, Kita A 2013 J. Cryst. Growth 367 53
[20]	Zheng A M, Huang S J, Wang Q, Zhang H L, Deng F, Liu S B 2013 Chin. J. Catal. 34 436
[21]	Gu H B, Guo J, Wei H G, Huang Y D, Zhao C Y, Li Y, Wu Q L, Haldolaarachchige N, Yong D P, Wei S Y 2013 Phys. Chem. Chem. Phys. 15 10866
[22]	Wang Z C, Karato S I 1995 Acta Geophys. Sin. 38 718 (in Chinese) [王子潮, 唐户俊一郎 1995 地球物理学报 38 718]
[23]	Gan H X, Liu T Y, Cheng Z J, Yang C X 2011 J. Synth. Cryst. 40 1022 (in Chinese) [甘海秀, 刘廷禹, 程志君, 杨晨星 2011 人工晶体学报 40 1022]
[24]	Wang G Y, Wang T J, Zhao X Q, Zhang H T 2005 Chin. J. Catal. 26 0138 (in Chinese) [王桂赟, 王廷吉, 赵新强, 张海涛 2005 催化学报 26 0138]

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