Kei Hayakawa

Charge Conduction Properties at the Contact Interface between (Phthalocyaninato)nickel(II) and Electron Acceptor Single Crystals

Yukihiro Takahashi, Kei Hayakawa, Katsuya Takayama et al. · Chemistry of Materials · 2013 · 26 citations

Natural Sciences, Materials Science, Physics +14

Thermal Expansion of YBa ₂ Cu ₃ O ₇ _ _x as Determined by High‐Temperature X‐ray Diffraction under Controlled Oxygen Partial Pressures

Junichiro Mizusaki, Hiroaki Tagawa, Kei Hayakawa et al. · Journal of the American Ceramic Society · 1995 · 21 citations

Natural Sciences, Materials Science, Physics +17

What Happens at the Interface between TTF and TCNQ Crystals (TTF = Tetrathiafulvalene and TCNQ = 7,7,8,8-Tetracyanoquinodimethane)?

Yukihiro Takahashi, Kei Hayakawa, T. Naito et al. · The Journal of Physical Chemistry C · 2011 · 20 citations

Natural Sciences, Materials Science, Physics +17

Electronic structures and chemical states of methylammonium lead triiodide thin films and the impact of annealing and moisture exposure

Soichiro Yamanaka, Kei Hayakawa, Ludmila Cojocaru et al. · Journal of Applied Physics · 2018 · 18 citations

Natural Sciences, Materials Engineering, Materials Science +17

Nanopore Impedance Spectroscopy Reveals Electrical Properties of Single Nanoparticles for Detecting and Identifying Pathogenic Viruses

Kazuki Kitta, Maami Sakamoto, Kei Hayakawa et al. · ACS Omega · 2023 · 12 citations · Full text

Engineering, Biomedical Engineering, Materials Science +17