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：

日本科学技术振兴机构; 日本学术振兴会;

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.

引用

页数：4

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