Hiromichi Yamakawa
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View article: Charge and Lattice Dynamics in Excitonic Insulator Ta<sub>2</sub>NiSe<sub>5</sub> Investigated Using Ultrafast Reflection Spectroscopy
Charge and Lattice Dynamics in Excitonic Insulator Ta<sub>2</sub>NiSe<sub>5</sub> Investigated Using Ultrafast Reflection Spectroscopy Open
An excitonic insulator, in which an optical gap is formed by exciton condensation, is expected to exhibit large photoresponses. Here, we report the results of femtosecond reflection spectroscopy covering a wide infrared region on a typical…
View article: CCDC 1837635: Experimental Crystal Structure Determination
CCDC 1837635: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1837632: Experimental Crystal Structure Determination
CCDC 1837632: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1837633: Experimental Crystal Structure Determination
CCDC 1837633: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1837634: Experimental Crystal Structure Determination
CCDC 1837634: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Control of electronic states by a nearly monocyclic terahertz electric-field pulse in organic correlated electron materials
Control of electronic states by a nearly monocyclic terahertz electric-field pulse in organic correlated electron materials Open
Recent developments in femtosecond laser technology have enabled the generation of a nearly monocyclic strong terahertz (THz) pulse with an amplitude greater than 100 kV cm−1. Such a THz pulse can be used to control not only the elementary…
View article: Ultrafast magnetization modulation induced by the electric field component of a terahertz pulse in a ferromagnetic-semiconductor thin film
Ultrafast magnetization modulation induced by the electric field component of a terahertz pulse in a ferromagnetic-semiconductor thin film Open
High-speed magnetization control of ferromagnetic films using light pulses is attracting considerable attention and is increasingly important for the development of spintronic devices. Irradiation with a nearly monocyclic terahertz pulse, …