Precise determination of zero-field splitting parameters of hemin by high-field and high-frequency electron spin resonance
Tsubasa Okamoto, Eiji Ohmichi, Susumu Okubo, and Hitoshi Ohta
Journal of the Physical Society of Japan 87 (2018) 013702/1-4.

Mechanically detected terahertz electron spin resonance using SOI-based thin piezoresistive microcantilevers.
Eiji Ohmichi, Toshihiro Miki, Hidekazu Horie, Tsubasa Okamoto, Hideyuki Takahashi, Yoshinori Higashi, Shoichi Itoh, Hitoshi Ohta.
Journal of Magnetic Resonance 287 (2018) 41-46.

Force- and torque-detection of high-frequency electron spin resonance using a membrane-type surface-stress sensor
Hideyuki Takahashi, Kento Ishimura, Tsubasa Okamoto, Eiji Ohmichi, and Hitoshi Ohta
Review of Scientific Instruments 89 (2018) 036108/1-3.

Pressure effect on zero-field splitting parameter of hemin: model case of hemoproteins under pressure
Tsubasa Okamoto, Eiji Ohmichi, Yu Saito, Takahiro Sakurai, and Hitoshi Ohta
Journal of Physical Chemistry B 122 (2018) 6880−6887

Force-detected high-frequency electron spin resonance spectroscopy using magnet-mounted nanomembrane: robust detection of thermal magnetization modulation
Hideyuki Takahashi, Tsubasa Okamoto, Kento Ishimura, Shigeo Hara, Eiji Ohmichi, Hitoshi Ohta
Review of Scientific Instruments 89 (2018) 083905/1-8

Force-detection of high-frequency electron paramagnetic resonance spectroscopy of microliter solution sample
Tsubasa Okamoto, Hideyuki Takahashi, Eiji Ohmichi, Haruto Ishikawa, Yasuhisa, Mizutani, and Hitoshi Ohta
Applied Physics Letters 113 (2018) 223702/1-4.
“Editor’s pick”

Superconducting fluctuations in FeSe investigated by precise torque magnetometry
Hideyuki Takahashi, Fuyuki Nabeshima, Ryo Ogawa, Eiji Ohmichi, Hitoshi Ohta, Atsutaka Maeda
Physical Review B 99 (2019) 060503R/1-5