3 papers
physics.app-ph2020
Study of detailed balance between excitons and free carriers in pristine diamond using terahertz spectroscopy
T. Ichii, Y. Hazama, N. Naka +1
A fundamental understanding of the photoexcited carrier system in diamond is crucial to facilitate its application in photonic and electronic devices. Here, we studied the detailed…
physics.chem-ph2019
Observation of exotic water in hydrophilic nanospace of porous coordination polymers
Tomoaki Ichii, Takashi Arikawa, Kenichiro Omoto +4
The fundamental understanding of water confined in porous coordination polymers (PCPs) is significantly important not only for their applications such as gas storage and separation…
cond-mat.mtrl-sci2018
Lattice phonon modes of the spin crossover crystal [Fe(phen)2(NCS)2] studied by THz, IR, Raman spectroscopies and DFT calculations
Eric Collet, Giovanni Azzolina, Tomoaki Ichii +9
[Fe(phen)2(NCS)2] is a prototype transition metal complex material, which undergoes a phase transition between low-spin (LS) and high-spin (HS) phases, induced by temperature, pres…