Ultrafine sodium titanate nanowires with extraordinary Sr ion-exchange properties.

Ishikawa, Yoshifumi; Tsukimoto, Susumu; Nakayama, Koji S; Asao, Naoki · Nano Lett · 2015

basic_science · Level V

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Abstract

Ultrafine sodium titanate nanowires are produced from TiAl alloy precursors via a nonthermal process where Al leaching and Ti oxidation occur simultaneously in an alkaline medium. The obtained nanowires demonstrate a layered crystal structure with a diameter of a few nanometers and exhibit remarkable Sr ion-exchange properties.