Ferroelasticity and ionic conductivity of mixed-conductive perovskite oxides

• Project/Area Number: 25709063
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Structural/Functional materials
• Research Institution: Saitama University
• Principal Investigator: ARAKI Wakako 埼玉大学, 理工学研究科, 准教授 (40359691)
• Research Collaborator: Malzbender Jürgen
• Project Period (FY): 2013-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥19,370,000 (Direct Cost: ¥14,900,000、Indirect Cost: ¥4,470,000); Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000); Fiscal Year 2014: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2013: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
• Keywords: 強弾性 / イオン伝導 / 混合伝導 / 燃料電池 / 混合伝導性 / 酸素分離膜 / 混合伝導体 / 機械的特性

Outline of Final Research Achievements

The present study investigated ferroelasticity and ionic conductivity of mixed ionic-electronic conductive perovskite oxides. The present experimental and analytical results elucidated the ferroelastic mechanical behaviours of various lanthanum-based perovskite oxides such as LaCoO3-d in a wide range of temperature. Additionally, new techniques for evaluating the oxygen deficiency and ionic conductivity of these materials under uniaxial compression at elevated temperature was established. The result suggests the effect of compressive stress on the deficiency and conductivity.

Research Products

• [Int'l Joint Research] Juelich Research Centre(Germany)
• [Journal Article] Elastic Properties of Freeze-Cast La0.6Sr0.4Co0.2Fe0.8O3-d (2016)
  • Author(s): Ying Zou, Wakako Araki, Maria Balaguer, Juergen Malzbender
  • Journal Title: Journal of the European Ceramic Society Volume: 36 Issue: 7 Pages: 1651-1657
  • DOI: 10.1016/j.jeurceramsoc.2016.01.034
  • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] Anomalous Variation of the Mechanical Behaviour of Ferroelastic La0.6Sr0.4Co0.2Fe0.8O3-d over the Ferro-to-Paramagnetic Transition (2015)
  • Author(s): Wakako Araki, Takehiro Abe, and Yoshio Arai
  • Journal Title: Scripta Materialia Volume: 99 Pages: 9-12
  • DOI: 10.1016/j.scriptamat.2014.11.014
  • Acknowledgement Compliant
• [Journal Article] Molecular Dynamics Study on Nature of Ferroelasticity and Piezoconductivity of Lanthanum Cobaltite (2014)
  • Author(s): Wakako Araki, Yoshio Arai, and Jurgen Malzbender
  • Journal Title: Solid State Ionics Volume: 262 Pages: 504-507
  • DOI: 10.1016/j.ssi.2014.01.017
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Transitions of Ba0.5Sr0.5Co0.8Fe0.2O3-d and La0.58Sr0.4Co0.2Fe0.8O3-d (2014)
  • Author(s): Wakako Araki, Yoshio Arai, and Jurgen Malzbender
  • Journal Title: Materials Letters Volume: 132 Pages: 295-297
  • DOI: 10.1016/j.matlet.2014.06.093
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Ferroelasticity and Spin-State Transitions of LaCoO3 (2014)
  • Author(s): Wakako Araki, Takehiro Abe, and Yoshio Arai
  • Journal Title: Journal of Applied Physics Volume: 116 Issue: 4 Pages: 043513-043513
  • DOI: 10.1063/1.4891296
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Electrical Conductivity of Ba0.5Sr0.5Co0.8Fe0.2O3-d under Uniaxial Compression at Elevated Temperatures (2014)
  • Author(s): Wakako Araki, Yu Takemura, Yoshio Arai, and Jurgen Malzbender
  • Journal Title: Journal of the Electrochemical Society Volume: 161 Issue: 11 Pages: F3001-F3004
  • DOI: 10.1149/2.0011411jes
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Strontium Surface Segregation in La0.58Sr0.4Co0.2Fe0.8O3-d Annealed under Compression (2014)
  • Author(s): Wakako Araki, Toru Yamaguchi, Yoshio Arai, and Jurgen Malzbender
  • Journal Title: Solid State Ionics Volume: 268 Pages: 1-6
  • DOI: 10.1016/j.ssi.2014.09.019
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] SOFC 電解質および空気極材料のイオン・電子伝導率に及ぼす応力・ひずみの影響 (2013)
  • Author(s): 荒木 稚子，荒居 善雄，ユーゲン マルツベンダー
  • Journal Title: 燃料電池 Volume: 13 Pages: 35-40
• [Presentation] ランタン系ペロブスカイト型酸化物の強弾性 (2015)
  • Author(s): 武田 和崇，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 2015 材料力学カンファレンス
  • Place of Presentation: 慶応義塾大学矢上キャンパス（神奈川県横浜市）
  • Year and Date: 2015-11-21
• [Presentation] 酸素分離膜の酸素不定比性におよぼす応力の影響 (2015)
  • Author(s): キュウ ビョウリュウ，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 2015 材料力学カンファレンス
  • Place of Presentation: 慶応義塾大学矢上キャンパス（神奈川県横浜市）
  • Year and Date: 2015-11-21
• [Presentation] 酸素分離膜におけるイオン伝導におよぼす応力の影響 (2015)
  • Author(s): 大塚 直紀，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 2015 材料力学カンファレンス
  • Place of Presentation: 慶応義塾大学矢上キャンパス（神奈川県横浜市）
  • Year and Date: 2015-11-21
• [Presentation] Anomalous Mechanical Behaviour of Lanthanum Strontium Cobalt Iron Oxides (2015)
  • Author(s): Araki,W., Abe,T., Arai,Y
  • Organizer: International Conference on Advanced Technology in Experimental Mechanics 2015
  • Place of Presentation: ロジワールホテル豊橋（愛知県豊橋市）
  • Year and Date: 2015-10-04
  • Int'l Joint Research
• [Presentation] 強弾性セラミクスの破面 (2014)
  • Author(s): 荒木 稚子，荒居 善雄
  • Organizer: 日本材料学会 第13回 フラクトグラフィシンポジウム
  • Place of Presentation: 立命館大学（滋賀県草津市）
  • Year and Date: 2014-07-21
• [Presentation] バリウムコバルト酸化物の室温付近における機械的挙動の解明 (2014)
  • Author(s): 祢宜田 光彰，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 201４ 材料力学カンファレンス
  • Place of Presentation: 福島大学（福島県福島市）
  • Year and Date: 2014-07-21
• [Presentation] La0.6Sr0.4Co0.2Fe0.8O3-δの強弾性特性の温度依存性 (2014)
  • Author(s): 阿部 剛大，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 201４ 材料力学カンファレンス
  • Place of Presentation: 福島大学（福島県福島市）
  • Year and Date: 2014-07-21
• [Presentation] LSCFのSr表面析出に及ぼす応力の影響 (2014)
  • Author(s): 荒木 稚子，山口 徹，荒居 善雄
  • Organizer: 日本機械学会 M&M 201４ 材料力学カンファレンス
  • Place of Presentation: 福島大学（福島県福島市）
  • Year and Date: 2014-07-21
• [Presentation] 酸素分離膜の電気伝導性に及ぼす応力の影響 (2014)
  • Author(s): 竹村 悠，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 2014 材料力学カンファレンス
  • Place of Presentation: 福島大学（福島県福島市）
  • Year and Date: 2014-07-21
• [Presentation] 安定化ジルコニアの高温・応力下におけるラマン分光測定 (2014)
  • Author(s): 大柿 佑介，荒木 稚子，荒居 善雄
  • Organizer: 日本機械学会 M&M 2014 材料力学カンファレンス
  • Place of Presentation: 福島大学（福島県福島市）
  • Year and Date: 2014-07-21
• [Presentation] Strontium surface segregation in La0.58Sr0.4Co0.2Fe0.8O3-δ under mechanical stress (2014)
  • Author(s): Wakako Araki, Toru Yamaguchi, Yoshio Arai, Jürgen Malzbender
  • Organizer: International Conference on Inorganic Membrane
  • Place of Presentation: ブリスベン（オーストラリア）
  • Year and Date: 2014-07-09
• [Presentation] Oxygen-Ion Transfer between YSZ/YSZ and YSZ/LSCF under Mechanical Contact Stress
  • Author(s): Wakako Araki
  • Organizer: ECS 224th Meeting
  • Place of Presentation: San Francisco, USA
• [Presentation] Interaction of Ferroelastic Domains and Mechanical Loading for La0.58Sr0.4Co0.2Fe0.8O3-δ
  • Author(s): Jurgen Malzbender
  • Organizer: 13th International Conference on the European Ceramics Society
  • Place of Presentation: Limoges, France
• [Presentation] Ferroelasticity and Piezoconductivity of La0.58Sr0.4Co0.2Fe0.8O3-δ
  • Author(s): Wakako Araki
  • Organizer: The 19th International Conference on Solid State Ionics
  • Place of Presentation: Kyoto, Japan 京都国際会議場
• [Presentation] LSCFおよびBSCFの電気伝導率と帯磁率
  • Author(s): 荒木 稚子
  • Organizer: 日本セラミックス協会2014年年会
  • Place of Presentation: 日吉，慶応義塾大学
• [Presentation] ランタンコバルト酸化物の強弾性特性の温度依存性
  • Author(s): 阿部 剛大
  • Organizer: 日本セラミックス協会2014年年会
  • Place of Presentation: 日吉，慶応義塾大学
• [Remarks]
  • URL: https://sites.google.com/site/mechmater/home/research/publications