2022

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Awards

• We have selected our article about p-type Mg₂Sn Thermoelectric materials on 、the back Cover of the Journal of Materials Chemistry A. (February 2023)

Papers

• “Enhanced thermoelectric performance of p-type Mg₂Sn single crystals via multi-scale engineering”
  Zhicheng Huang, Kei Hayashi, Wataru Saito, Jun Pei, Jing-Feng Li and Yuzuru Miyazaki
  Journal of Materials Chemistry A, 11, 2652 (2023).
• ” Anisotropic correlations in higher manganese silicides”
  Nagendra S. Chauhan, Ichiro Ono, Kei Hayashi, Yuzuru Miyazaki
  Journal of Alloys and Compounds, 935, 167983 (2023).
• “Iron‐based Semiconducting Half‐Heusler Alloys for Thermoelectric Applications”
  N. S. Chauhan and Y. Miyazaki
  ChemNanoMat 9 (1), e202200403 (2022)
• “Low Lattice Thermal Conductivity in a Wider Temperature Range for Biphasic-Quaternary (Ti, V)CoSb Half-Heusler Alloys”
  Nagendra S. Chauhan, Dipanwita Bhattacharjee, Tanmoy Maiti, Yury V. Kolen’ko, Yuzuru Miyazaki, and Amrita Bhattacharya
  ACS Applied Materials & Interfaces 2022, 14, 54736 (2022)
• “Relevance of Solidification Kinetics for Enhanced Thermoelectric Performance in Al-Doped Higher Manganese Silicides”
  Nagendra S. Chauhan, Ichiro Ono, Kei Hayashi, and Yuzuru Miyazaki
  ACS Applied Materials & Interfaces, 14, 51983 (2022).
• “A mechanistic view of defect engineered VFeSb half-Heusler alloys”
  Nagendra Singh Chauhan, Yuzuru Miyazaki
  Materials Advances, 3, 8498 (2022).
• “Enhancement of thermoelectric performance of Mg₂Sn single crystals via lattice-defect engineering”
  Kei Hayashi
  JSAP Review, 2022, 220403 (2022).
• “Enhancement of thermoelectric properties at room temperature through isoelectronic ruthenium-substitution in n-type half-Heusler VFeSb compounds”
  Yi Huang, Kei Hayashi, Yuzuru Miyazaki
  Acta Materialia, 237, 118186 (2022).
• “Contrasting role of bismuth doping on the thermoelectric performance of VFeSb half-Heusler”
  Nagendra Singh Chauhan, Yuzuru Miyazaki
  Journal of Alloys and Compounds, 908, 164623 (2022).
• “Low lattice thermal conductivity and microstructural evolution in VFeSb half-Heusler alloys”
  Nagendra Singh Chauhan, Yuzuru Miyazaki
  Materialia, 22, 101430(2022).

Invited talks

SIPS2022 Mizutani International Symposium (27-30 November 2022, Phuket)

• “Higher Manganese Silicides: Incommensurability and Thermoelectric Properties”
  Yuzuru Miyazaki (Invited lecture)

Conferences

33rd International Photovoltaic Science and Engineering Conference (PVSEC-33) (13-17 November 2022, Nagoya)

• “Carrier density control of CrSi₂ partially substituted with Mn”
  K. Tasaki, K. Hayashi, and Y. Miyazaki (Poster)
• “Preparation of (Mn, Fe, V)Si_γ Single Crystals for Infrared Absorption Optoelectronics”
  T. Chiba, K. Hayashi, and Y. Miyazaki (Poster)

18th European Conference on Thermoelectrics (ECT’22) (14-16 Septemper 2022, Barcelona)

• “Reduction of Thermal Conductivity of Mg₂Sn Single Crystal via Lattice-Defect Engineering through Chemical-Pressure Control”
  K. Hayashi, W. Saito, Z. Huang, K. Sugimoto, K. Ohoyama, N. Happo, M. Harada, K. Oikawa, Y. Inamura, K. Hayashi, T. Miyazaki, and Y. Miyazaki (Oral)
• “Realising enhanced thermoelectric performance in partially substituted higher manganese silicides crystals”
  N. S. Chauhan, I. Ono, K. Hayashi, and Y. Miyazaki (Oral)
• “Point Defects and Thermoelectric Properties of Melt‐grown Mg₂Ge Single Crystals”
  H. Takeuchi, Z. Huang, K. Hayashi, and Y. Miyazaki (Poster)

The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials, 2022 (APAC-Silicide 2022) (30 July – 1 August 2022, Online)

• “Partially compensated (Ru, V) co-doped higher manganese silicide single crystals”
  N. S. Chauhan, I. Ono, K. Hayashi, and Y. Miyazaki (Oral)

Virtual Conference on Thermoelectrics 2022 (VCT 202) (20-22 July 2022, Online)

• “Preparation and High-Temperature Thermoelectric Properties of Textured Cobaltate Ceramics”
  Y. Shimizu, K. Hayashi, and Y. Miyazaki (Poster)

Thesis

Doctor

• “Development of P-type Mg₂Sn Single Crystals with Multi-Scale Lattice Defects for Thermoelectric Application”