Electrical Properties and Local Domain Structure of LiNbO3 Thin Film Grown by Ion Beam Sputtering Method

doi:10.1007/s40195-013-0025-z

Acta Metallurgica Sinica (English Letters)

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Electrical Properties and Local Domain Structure of LiNbO₃ Thin Film Grown by Ion Beam Sputtering Method

V. Ievlev¹⁾, V. Shur²⁾, M.Sumets^1,3),A. Kostyuchenko¹⁾

1) Voronezh State University, Universitetskaya Square, 1, 394000, Voronezh, Russia
2) Ferroelectric Laboratory IPAM, Ural State University, pr.Lenina, 51, 620083,Ekaterinburg, Russia

3) VoronezhInstitute of the State Fire Service of Russian Emergencies Ministry,Krasnoznamennaya st., 231, 394052, Voronezh, Russia

Received:2012-01-16 Revised:2013-04-16 Online:2013-10-25 Published:2013-09-13
Contact: M.Sumets

Abstract

Abstract:

The nanocrystalline ferroelectric LiNbO₃ films on (001) Si substrates with the random orientation of polycrystalline grains and the predominance of the grains with lateral orientation of the polar axis were grown using the ion beam sputtering method. The remanent polarization and the coercive field are 12 μC/cm² and 29 kV/cm, respectively. The thermal annealing leads to the coarsening of the grains. The appearance of the “local texture,” which gives rise to the unipolarity of the heterostructures caused by the predominance of the one direction in the vertical component of the spontaneous polarization, is investigated.

Key words: LiNbO₃ thin films, Ferroelectrics, Domain structure

V. Ievlev, V. Shur, M.Sumets,A. Kostyuchenko. Electrical Properties and Local Domain Structure of LiNbO₃ Thin Film Grown by Ion Beam Sputtering Method[J]. Acta Metallurgica Sinica (English Letters), DOI: 10.1007/s40195-013-0025-z.

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[1]	H.Q. Fan and L. T. Zhang State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China. NUMERICAL ANALYSIS OF DIELECTRIC RESPONSE IN RELAXOR FERROELECTRICS [J]. Acta Metallurgica Sinica (English Letters), 2000, 13(2): 757-763.
[2]	WANG Ruikun SUN Lihong LI Dongpei YING Qiming T.Takeyama General Research Institute for Non-Ferrous Metals,Beijing,China [Originally published in ACTA METALL SIN (CHINESE EDN) 24 (5) 1988 pp B353—B358,received 6 May 1987;in revised form 6 February 1988] T.Takeyama is an emeritus professor of HOKKAIDO University,Japan,and now is a technical adviser of GRINFM. MAGNETIC DOMAIN STRUCTURE AND RELATED MAGNETIC PROPERTIES OF(NdPr)_(16)Fe_(76)B_8 PERMANENT MAGNET [J]. Acta Metallurgica Sinica (English Letters), 1989, 2(8): 127-132.
[3]	LUO Yang JI Qigen ZHANG Ning SU Xiujin Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing,ChinaSUN Daliang Shandong University,Jinan,China senior engineer,Department of Precious Alloys,Central Iron and Steel Research Institute,Beijing,China. THERMAL DEMAGNETIZATION AND RANDOMNESS OF DOMAIN NUCLEATION OF SINGLE PHASE Nd_2 Fe_(14) B [J]. Acta Metallurgica Sinica (English Letters), 1989, 2(7): 27-32.

Electrical Properties and Local Domain Structure of LiNbO₃ Thin Film Grown by Ion Beam Sputtering Method

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