Synthetic Route of Layered Titanium Nitride Chloride TiNCl Using Sodium Amide

Masashi Tanaka, Noriyuki Kataoka, Ryo Matsumoto, Kei Inumaru, Yoshihiko Takano, Takayoshi Yokoya

Research output: Contribution to journalArticlepeer-review

Abstract

A synthetic route in a closed system for layered titanium nitride chloride TiNCl has been developed using sodium amide NaNH2 as a nitrogen source. A highly crystalline sample is obtained by an appropriate thermal decomposition of aminated titanium chloride. The obtained TiNCl was also characterized using electronic resistivity measurement and photoemission spectroscopy. TiNCl showed hopping conduction compatible with an in-gap state revealed by photoelectron spectroscopy. However, it appeared highly electron-doped, albeit without showing superconductivity. Comparison with the spectrum of superconducting sodium-doped samples suggests the presence of the microstructure required to exhibit superconductivity.

Original languageEnglish
Pages (from-to)6375-6380
Number of pages6
JournalACS Omega
Volume7
Issue number7
DOIs
Publication statusPublished - Feb 22 2022

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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