2019年度

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受賞

• 齋藤啓介　第16回日本熱電学会学術講演会 優秀ポスター賞 (2019年9月)
  “C40型(Mn,Cr)(Si,Al)₂系化合物における熱電特性の組成および合成条件依存性”
• 黄奕　38th International and 4th Asian Conference on Thermoelectrics (ICT & ACT 2019) ICT2019 Poster Award (July, 2019)
  “Preparation, crystal structure and thermoelectric properties of Ru substituted half Heusler type VFeSb”
• 2019年度 東北大学-清華大学の共同研究ファンド 採択 (2019年4月)

学術論文

• “Preparation, thermoelectric properties, and crystal structure of boron-doped Mg₂Si single crystals”
  K. Hayashi, W. Saito, K. Sugimoto, K. Ohoyama, K. Hayashi, N. Happo, M. Harada, K. Oikawa, Y. Inamura, and Y. Miyazaki
  AIP Advances 10, 035115 (2020).
• “Crystal structure and thermoelectric properties of partially-substituted melt-grown higher manganese silicides (Progress Review)”
  Y. Miyazaki
  Japanese Journal of Applied Physics 59, SF0802 (2020).
• “Control of the Thermoelectric Properties of Mg₂Sn Single Crystals via Point-Defect Engineering”
  W. Saito, K. Hayashi, J. Dong, J.-F. Li, and Y. Miyazaki
  Scientific Reports, 10, 2020 (2020).
• “Design and power generation of tilted Cu/Fe₂V(Al_0.9Si_0.1) multilayers via the transverse thermoelectric effect”
  N. Kodaira, Y. Miyazaki, and K. Hayashi
  Journal of Applied Physics, 126, 045108 (2019).
• “Reducing Lattice Thermal Conductivity of MnTe by Se Alloying toward High Thermoelectric Performance”
  J. Dong, F.-H Sun, H. Tang, K. Hayashi, H. Li, P.-P. Shang, Y. Miyazaki, and J.-F. Li.
  ACS Applied Materials & Interfaces, 11, 28221 (2019).
• “Lattice dynamics and lattice thermal conductivity of CrSi₂ calculated from first principles and the phonon Boltzmann transport equation”
  H. Nakasawa, K. Hayashi, T. Takamatsu, and Y. Miyazaki
  Journal of Applied Physics, 126, 025105 (2019).
• “Optimised thermally driven molecular stability of an SCO metal complex for TEC Seebeck generation enhancement”
  M. M. I. Megat Hasnan, S. Mohd Said, M. F. Mohd Sabri, S. A. Mat Hussin, N. Abdullah, N. M. J. Nik Ibrahim, Y. Miyazaki, M. F. Mohd Salleh, and N. Mohd Shah
  RSC Advances, 9, 10626 (2019).
• “Aqueous Chemical Synthesis and Consolidation of Size-Controlled Bi₂Te₃ Nanoparticles for Low-Cost and High-Performance Thermoelectric Materials”
  T. Nakamoto, S. Yokoyama, T. Takamatsu, K. Harata, K. Motomiya, H. Takahashi, Y. Miyazaki, and K. Tohji
  Journal of Electronic Materials, 48, 2700 (2019).

講演

17th European Conference on Thermoelectrics (ECT2019)(23-25 September 2019, Cyprus)

• “Understanding Detailed Crystal Structures to Further Improve Thermoelectric Properties of Silicide-based Materials”
  Y. Miyazaki, H. Nagai, W. Saito, K. Hayashi (Invited lecture)

5th Asia-Pacific conference on semiconducting silicides and related materials (APAC-SILICIDE 2019) (20-23 July 2019, Miyazaki)

• “Recent Progress in Silicide Thermoelectric Materials”
  Y. Miyazaki (Invited lecture)

European Materials Research Society (E-MRS) 2019 Spring Meeting (27-31 May 2019, Nice)

• “Domain Separation in Manganese Siliside Thermoelectric Material”
  Y. Miyazaki, H. Nagai, Y. Kawasaki, K. Hayashi, K. Yubuta (Invited lecture)

学会発表

第67回応用物理学会春季学術講演会 (3月12-15日, 2020年, 東京)

• “Mg空孔欠陥の導入によるMg₂Si_2-xSb_x単結晶の熱電性能向上”
  齋藤 亘, 林 慶, 黄志成, 宮﨑 讓 (口頭発表)
• “T’-Gd₂CuO₄のバルク試料におけるノンドープ超伝導の発現に向けた還元条件の最適化”
  大黒瑛稀, 髙松智寿, 宮﨑 讓 (ポスター)

Materials Research Meeting 2019 (10-14 December 2019, Yokohama)

• “Ru-substitution effects on the crystal and electronic structures, and thermoelectric poperties of half-Heusler type VFeSb compounds”
  Y. Huang, K. Hayashi, Y. Miyazaki (Oral)

第74回応用物理学会東北支部学術講演会 (12月2-3日, 2019年, 郡山)

• “スピンギャップレス半導体Mn₂CoAlの熱電性能”
  永島良美, 李和章, 林 慶, 宮﨑 讓 (口頭発表)
• “溶融合成したZn₄Sb₃におけるクラック生成機構”
  吉岡 駿, 林 慶, 宮﨑 讓 (口頭発表)
• “Thermoelectric Properties of Melt-Grown Mg₂Sn_1-xGa_x Ingots”
  Z. Huang, W. Saito, K. Hayashi, Y. Miyazaki (口頭発表)
• “Mn₂VAlフルホイスラー合金の熱電特性と規則度の関係”
  李和章, 林 慶, 宮﨑 讓 (口頭発表)
• “マンガンケイ化物の元素置換による熱電特性に関する研究”
  張蘊財, 永井宏樹, 林 慶, 宮﨑 讓 (ポスター)

14th International Conference on the Structure of Non-Crystalline Materials (NCM14) (3-8 November 2019, Kobe)

• “Thermoelectric Properties and Local Structure of Boron-Doped Mg₂Si and Mg₂Sn”
  Kei Hayashi, Wataru Saito, Yuzuru Miyazaki, Kazuya Sugimoto, Syouichi Uechi, Yuki Kanazawa, Yohei Fukumoto, Takayoshi Yamamoto, Kenji Ohoyama, Kouichi Hayashi, Naohisa Happo, Masahide Harada, Kenichi Oikawa, Yasuhiro Inamura (Oral)

第80回応用物理学会秋季学術講演会 (9月18-21日, 2019年, 札幌)

• “Mg空孔欠陥を含むMg₂Sn単結晶の熱電性能と微細組織”
  齋籐 亘, 林 慶, 宮﨑 讓 (口頭発表)

第16回日本熱電学会学術講演会 (9月2-4日, 2019年, 名古屋市)

• “ペロブスカイト型酸水素化物ATiO_3-xH_x (A = Ca, Sr)の合成と熱電特性”
  髙松智寿, 福留大輝, 林慶, 宮﨑讓 (口頭発表)
• “C40型(Mn,Cr)(Si,Al)₂系化合物における熱電特性の組成および合成条件依存性”
  齋藤啓介, 髙松智寿, 林慶, 宮﨑讓 (ポスター)

5th Asia-Pacific conference on semiconducting silicides and related materials (APAC-SILICIDE 2019) (20-23 July 2019, Miyazaki)

• “Cross-sectional characterization of Mg₂Si-Ni interface compacted by SPS method at 800°C”
  T. Ishii, H. Sugawara, M. Tokuda, H. Sato, T. Hanajiri, H. Shimoshige, S. Kurosu, K. Hayashi, I. Ando, W. Saito, and Y. Miyazaki (Poster)

38th International and 4th Asian Conference on Thermoelectrics (ICT & ACT 2019) (30 June – 5 July 2019, Gyeongju)

• “Preparation and Thermoelectric Properties of Mn₂VAl Full Heusler Alloys with Different Order Degree”
  H. Li, K. Hayashi, Y. Miyazaki (Oral)
• “Crystal and electronic structures of the half Heusler type VFeSb compounds”
  Y. Huang, S. Maki, K. Hayashi, Y. Miyazaki (Oral)
• “Investigation on lattice defects in Mg₂Sn single crystals prepared under different Ar partial pressure”
  W. Saito, K. Hayashi, Y. Miyazaki (Oral)
• “Computer simulation of thermoelectric properties for tilted multilayer devices based on the off diagonal thermoelectric effect”
  D. Sakuraba, N. Kodaira, K. Hayashi, Y. Miyazaki (Poster)
• “Thermoelectric properties and local structure of B doped Mg₂Si single crystal”
  K. Hayashi, W. Saito, Y. Miyazaki, K. Sugimoto, S. Uechi, Y. Kanazawa, Y. Fukumoto,
  T. Yamamoto, K. Ohyama, K. Hayashi, N. Happo, M. Harada, K. Oikawa, Y. Inamura (Poster)
• “Thermoelectric Properties of Strontium Titanium Oxyhydrides”
  D. Fukutome, T. Takamatsu, K. Hayashi, Y. Miyazaki (Poster)
• “Preparation, crystal structure and thermoelectric properties of Ru substituted half Heusler type VFeSb”
  Y. Huang, K. Hayashi, Y. Miyazaki (Poster)
• “Crystal structure evolution of Zn₄Sb₃ during melt grown process”
  S. Yoshioka, K. Hayashi, Y. Miyazaki (Poster)

学位論文

修士

• “C40型Mn-Cr-Si-Al系化合物の熱電特性に関する研究”
• “傾斜積層型熱電デバイスにおける発電シミュレーションとモジュール試作”
• “ペロブスカイト型酸水素化物ATiO_3-xH_x(A=Ca,Sr)の熱電特性に関する研究”
• “Crystal Structure and ThermoelectricProperties of Higher ManganeseSilicides Cosubstituted with V and Ge”
  (VとGeで共置換されたマンガンケイ化物の結晶構造と熱電特性)
• “Preparation and Characterization of(Mn,Fe)Si_γ Thin Films Grown by PulsedLaser Deposition Method”
  (パルスレーザー堆積法を用いた(Mn,Fe)Si_γ薄膜の作製と評価)

博士

• “マルチスケールフォノン散乱によるCrSi₂系熱電材料の低熱伝導率化に関する研究”