Original Article(論文) 

  1. Yun Wen Liao, Satoshi Kawabata, Takeshi Yabutsuka, Wen Jauh Chen, Hideyuki Okumura, Shigeomi Takai “Low temperature phase transition phenomena in Ba- and Pb-substituted La2Mo2O9 oxide ion conductors”, Solid State Ionics 354 Oct. (2020)
  2. Kohei Taguchi, Kazuteru Shinozaki, Hideyuki Okumura, Chishiro Michioka, Kazuyoshi Yoshimura, Keiichi Ishihara ”Discovery of Amorphous Iron Hydrides via Novel Quiescent Reaction in Aqueous Solution”, Scientific Reports, 2020 Apr 10;10(1):6199. doi: 10.1038/s41598-020-63124-2.
  3. Fahmi Machda, Takaya Ogawa, Hideyuki Okumura, Keiichi N Ishihara “Damp-heat durability comparison of Al-doped ZnO transparent electrodes deposited at low temperatures on glass and PI tape/PC substrates”, Ceramics International, 46(10) 16178-16184 July (2020)
  4. Fahmi Machda, Takaya Ogawa, Hideyuki Okumura, Keiichi N. Ishihara “Evolution and Recovery of Electrical Property of Reactive Sputtered Al-Doped ZnO Transparent Electrode Exposed to Harsh Environment”, Physica Status Solidi (A) Applications and Materials Science 217(3) 1900519 – 1900519 Feb.(2020)

International Conference(国際学会) 

  1. Samuel Matthew G.Dumlao, Keiichi N.Ishihara “Reproducing solar curtailment with Fourier analysis using Japan dataset”, Energy Reports, Volume 6, Supplement 2, February 2020, Pages 199-205 [The 6th International Conference on Power and Energy Systems Engineering (CPESE 2019), 20–23 September 2019, Okinawa, Japan

Domestic Conference(国内学会)