Pulsed laser deposition and structural analysis of Ba2Ti6O13 epitaxial thin film on the (210) surface of SrTiO3 single crystal

被引：0
|
作者：
Kono, Ryota [1 ]
Hieda, Kohei [1 ]
Tokunaga, Tomoharu [1 ]
Tamura, Ryoma [1 ]
Masamura, Ryotaro [1 ]
Hikita, Yasuyuki [2 ]
Kano, Kazuhiko [2 ]
Yamamoto, Takahisa [1 ]
机构：
[1] Nagoya Univ, Dept Mat Design Innovat Engn, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] DENSO Corp, Adv Res & Innovat Ctr, 500-1 Minamiyama,Komenoki Cho, Nisshin, Aichi 4700111, Japan
来源：
APPLIED PHYSICS EXPRESS | 2024年 / 17卷 / 07期
基金：
日本学术振兴会; 日本科学技术振兴机构;
关键词：
mixed-valence oxide; electrical conductivity; barium titanate compound; thin film; scanning transmission electron microscopy; strontium titanate; TRANSITION; DIFFRACTION; TINO2N-1;
D O I：
10.35848/1882-0786/ad605d
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A single crystalline thin film of Ba2Ti6O13 was grown on the (210) surface of a SrTiO3 single-crystal substrate by pulsed laser deposition. Scanning transmission electron microscopy shows that the Ba2Ti6O13 thin film grew epitaxially with the a-plane, and the b-/c-axes of Ba2Ti6O13 parallel to the (210) plane and the [00 1 <overline> ]/[ 1 <overline> 20] directions of SrTiO3, respectively. The electrical conductance of the Ba2Ti6O13 film was approximately one order larger than that of the reduced SrTiO3-delta single crystal with oxygen deficiency of roughly delta = 0.05. Electronic structure calculations predict that Ba2Ti6O13 is an n-type degenerate semiconductor with spin-split states primarily of Ti 3d orbital.
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页数：4
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