Visible-light-accelerated oxygen vacancy migration in strontium titanate

被引：26

作者：

Li, Y.

Lei, Y.

Shen, B. G.

Sun, J. R. ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter, Beijing 100190, Peoples R China

来源：

SCIENTIFIC REPORTS | 2015年 / 5卷

基金：

中国国家自然科学基金;

关键词：

MOBILITY;

D O I：

10.1038/srep14576

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Strontium titanate is a model transition metal oxide that exhibits versatile properties of special interest for both fundamental and applied researches. There is evidence that most of the attractive properties of SrTiO3 are closely associated with oxygen vacancies. Tuning the kinetics of oxygen vacancies is then highly desired. Here we reported on a dramatic tuning of the electro-migration of oxygen vacancies by visible light illumination. It is found that, through depressing activation energy for vacancy diffusion, light illumination remarkably accelerates oxygen vacancies even at room temperature. This effect provides a feasible approach towards the modulation of the anionic processes. The principle proved here can be extended to other perovskite oxides, finding a wide application in oxide electronics.

引用

页数：7

共 31 条

[1] OBSERVATION OF A MIDINFRARED BAND IN SRTIO3-Y [J].

CALVANI, P ;

CAPIZZI, M ;

DONATO, F ;

LUPI, S ;

MASELLI, P ;

PESCHIAROLI, D .

PHYSICAL REVIEW B, 1993, 47 (14) :8917-8922

[2] Hopping and clustering of oxygen vacancies in SrTiO3 by anelastic relaxation [J].

Cordero, F. .

PHYSICAL REVIEW B, 2007, 76 (17)

[3] Oxygen vacancy clustering and electron localization in oxygen-deficient SrTiO3:: LDA+U study [J].

Cuong, Do Duc ;

Lee, Bora ;

Choi, Kyeong Mi ;

Ahn, Hyo-Shin ;

Han, Seungwu ;

Lee, Jaichan .

PHYSICAL REVIEW LETTERS, 2007, 98 (11)

[4] THEORY OF FERROELECTRICS [J].

DEVONSHIRE, AF .

ADVANCES IN PHYSICS, 1954, 3 (10) :85-130

[5] Room-temperature ferroelectricity in strained SrTiO3 [J].

Haeni, JH ;

Irvin, P ;

Chang, W ;

Uecker, R ;

Reiche, P ;

Li, YL ;

Choudhury, S ;

Tian, W ;

Hawley, ME ;

Craigo, B ;

Tagantsev, AK ;

Pan, XQ ;

Streiffer, SK ;

Chen, LQ ;

Kirchoefer, SW ;

Levy, J ;

Schlom, DG .

NATURE, 2004, 430 (7001) :758-761

[6] Strontium titanate: An all-in-one rechargeable energy storage material [J].

Hanzig, Juliane ;

Zschornak, Matthias ;

Nentwich, Melanie ;

Hanzig, Florian ;

Gemming, Sibylle ;

Leisegang, Tilmann ;

Meyer, Dirk C. .

JOURNAL OF POWER SOURCES, 2014, 267 :700-705

[7] Migration-induced field-stabilized polar phase in strontium titanate single crystals at room temperature [J].

Hanzig, Juliane ;

Zschornak, Matthias ;

Hanzig, Florian ;

Mehner, Erik ;

Stoecker, Hartmut ;

Abendroth, Barbara ;

Roeder, Christian ;

Talkenberger, Andreas ;

Schreiber, Gerhard ;

Rafaja, David ;

Gemming, Sibylle ;

Meyer, Dirk C. .

PHYSICAL REVIEW B, 2013, 88 (02)

[8] Electron Correlation in Oxygen Vacancy in SrTiO3 [J].

Lin, Chungwei ;

Demkov, Alexander A. .

PHYSICAL REVIEW LETTERS, 2013, 111 (21)

[9] Metal-Insulator Transition in SrTiO3-x Thin Films Induced by Frozen-Out Carriers [J].

Liu, Z. Q. ;

Leusink, D. P. ;

Wang, X. ;

Lu, W. M. ;

Gopinadhan, K. ;

Annadi, A. ;

Zhao, Y. L. ;

Huang, X. H. ;

Zeng, S. W. ;

Huang, Z. ;

Srivastava, A. ;

Dhar, S. ;

Venkatesan, T. ;

Ariando .

PHYSICAL REVIEW LETTERS, 2011, 107 (14)

[10] Photoelectrical properties of insulating LaAlO3-SrTiO3 interfaces [J].

Lu, Hong-Liang ;

Zhang, Liang ;

Ma, Xiu-Mei ;

Lian, Gui-Jun ;

Yang, Jin-Bo ;

Yu, Da-Peng ;

Liao, Zhi-Min .

NANOSCALE, 2014, 6 (02) :736-740

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