Transport properties of LaTiO3 / SrTiO3 heterostructures

R. Ohtsuka; M. Matvejeff; K. Nishio; R. Takahashi; M. Lippmaa

doi:10.1063/1.3430006

Transport properties of LaTiO₃ / SrTiO₃ heterostructures

R. Ohtsuka, M. Matvejeff, K. Nishio, R. Takahashi, M. Lippmaa

研究成果: Article › 査読

34 被引用数 (Scopus)

抄録

Resistivity measurements show that SrTiO₃ / LaTiO₃ / SrTiO₃ heterostructures remain metallic even for single unit cell LaTiO₃ layers. Hall resistances of all heterostructures are nonlinear functions of the applied field. The Hall data is analyzed in terms of a two-layer model, indicating that a low-mobility layer exists at the LaTiO ₃ / SrTi₃ interface, while carriers with mobilities approaching 10 000 cm² /V s are present deep in the SrTiO₃ substrate.

本文言語	English
論文番号	192111
ジャーナル	Applied Physics Letters
巻	96
号	19
DOI	https://doi.org/10.1063/1.3430006
出版ステータス	Published - 2010

ASJC Scopus subject areas

物理学および天文学（その他）

文献へのアクセス

10.1063/1.3430006

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引用スタイル

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title = "Transport properties of LaTiO3 / SrTiO3 heterostructures",

abstract = "Resistivity measurements show that SrTiO3 / LaTiO3 / SrTiO3 heterostructures remain metallic even for single unit cell LaTiO3 layers. Hall resistances of all heterostructures are nonlinear functions of the applied field. The Hall data is analyzed in terms of a two-layer model, indicating that a low-mobility layer exists at the LaTiO 3 / SrTi3 interface, while carriers with mobilities approaching 10 000 cm2 /V s are present deep in the SrTiO3 substrate.",

author = "R. Ohtsuka and M. Matvejeff and K. Nishio and R. Takahashi and M. Lippmaa",

note = "Funding Information: This work has been supported by a NEDO Project under Grant No. 07E51002a. M.M. thanks Marubun Research Promotion Foundation for the financial support.",

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AU - Ohtsuka, R.

AU - Matvejeff, M.

AU - Nishio, K.

AU - Takahashi, R.

AU - Lippmaa, M.

N1 - Funding Information: This work has been supported by a NEDO Project under Grant No. 07E51002a. M.M. thanks Marubun Research Promotion Foundation for the financial support.

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N2 - Resistivity measurements show that SrTiO3 / LaTiO3 / SrTiO3 heterostructures remain metallic even for single unit cell LaTiO3 layers. Hall resistances of all heterostructures are nonlinear functions of the applied field. The Hall data is analyzed in terms of a two-layer model, indicating that a low-mobility layer exists at the LaTiO 3 / SrTi3 interface, while carriers with mobilities approaching 10 000 cm2 /V s are present deep in the SrTiO3 substrate.

AB - Resistivity measurements show that SrTiO3 / LaTiO3 / SrTiO3 heterostructures remain metallic even for single unit cell LaTiO3 layers. Hall resistances of all heterostructures are nonlinear functions of the applied field. The Hall data is analyzed in terms of a two-layer model, indicating that a low-mobility layer exists at the LaTiO 3 / SrTi3 interface, while carriers with mobilities approaching 10 000 cm2 /V s are present deep in the SrTiO3 substrate.

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