Crystal Structure and Proton Conduction Path of Perovskite-type Oxides by Using a Laboratory X-ray Diffractometer with a Parallel Beam Optics

• NOMURA Katsuhiro

  Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)

Bibliographic Information

Other Title

• 平行ビーム光学系をもつ実験室系Ｘ線回折装置によるペロブスカイト型酸化物の結晶構造とプロトン伝導経路に関する研究
• ヘイコウ ビーム コウガクケイ オ モツ ジッケンシツケイ Xセン カイセツ ソウチ ニ ヨル ペロブスカイトガタ サンカブツ ノ ケッショウ コウゾウ ト プロトン デンドウ ケイロ ニ カンスル ケンキュウ

Abstract

Perovskite-type proton conductors can be used as the electrolyte materials in fuel cells, hydrogen sensors, hydrogen separation apparatus, and the other electrochemical devices. In this paper, the crystal structure analysis of perovskite-type proton conductors under cell operating conditions by using a laboratory X-ray diffractometer with a parallel beam optics are introduced. The crystal structures of A³⁺B³⁺O^3-type perovskite proton conductors, (La_0.9Sr_0.1) M^IIIO_3-δ (M^III=Sc, In, and Lu) are reported, and the expected change in proton conduction path is discussed with an increase in tilting angles of BO₆ (=M^IIIO₆) octahedra. In addition, the electron density distribution of (La_0.8Sr_0.2) ScO_3-δ compound is shown.

Journal

• Nihon Kessho Gakkaishi

  Nihon Kessho Gakkaishi 50 (2), 155-160, 2008

  The Crystallographic Society of Japan

Details

• CRID: 1390282679063379072
• NII Article ID: 10021085712
• NII Book ID: AN00188364
• DOI: 10.5940/jcrsj.50.155
• ISSN: 18845576
• ISSN: 03694585
• NDL BIB ID: 9502168
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9502168
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed