Heavy interstitial hydrogen doping into SrTiO3

Ryo Nakayama; Mitsuhiko Maesato; Takafumi Yamamoto; Hiroshi Kageyama; Takahito Terashima; Hiroshi Kitagawa

doi:10.1039/c8cc07021k

Heavy interstitial hydrogen doping into SrTiO₃

Chem Commun (Camb). 2018 Nov 14;54(88):12439-12442. doi: 10.1039/c8cc07021k. Epub 2018 Oct 1.

Authors

Ryo Nakayama¹, Mitsuhiko Maesato¹, Takafumi Yamamoto², Hiroshi Kageyama², Takahito Terashima³, Hiroshi Kitagawa¹

Affiliations

¹ Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan. maesato@kuchem.kyoto-u.ac.jp kitagawa@kuchem.kyoto-u.ac.jp.
² Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-851, Japan.
³ Division of Physics and Astronomy, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.

PMID: 30272067
DOI: 10.1039/c8cc07021k

Abstract

We achieve the introduction of an extremly large amount of interstitial hydrogen into strontium titanate (SrTiO₃) by low-temperature hydrogen ion beam irradiation. The in situ transport measurements reveal an unprecedented thermal hysteresis of the resistivity.