22 citations · 41 across the 8 of their papers we have counts for
8 papers
Characteristic ferroelectric domains and their dynamic behavior in ordered Pb(ScNb)O
Hiroshi Nakajima, Satoshi Hiroi, Hirofumi Tsukasaki +5
Pb-based perovskites with multiple cations are fascinating materials showing various phenomena such as high piezoelectric, electromechanical, and relaxor properties. While chemical…
Unusual nanoscale coexistence of polar-nonpolar domains underlying oxygen storage properties in Ho(Mn, Ti)O
Hiroshi Nakajima, Kento Uchihashi, Hirofumi Tsukasaki +10
Hexagonal manganese oxides RMnO show intriguing topological ferroelectric-domain walls with variable conductivity, leading to domain wall engineering. Despite the numerous expe…
Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys
Hiroshi Nakajima, Akihiro Osako, Noriharu Yodoshi +8
Soft magnetic materials have low coercive fields and high permeability. Recently, nanocrystalline alloys obtained using annealing amorphous alloys have attracted much interest sinc…
Direct observation of monoclinic polar nanoregions in the relaxor ferroelectric Pb(YbNb)O-PbTiO
Hiroshi Nakajima, Satoshi Hiroi, Hirofumi Tsukasaki +4
Relaxor ferroelectrics are applied in electronic devices such as actuators and sonars. Morphotrophic phase boundaries (MPBs) with monoclinic structures are known for their high pie…
Stabilization of layered perovskite structures via strontium substitution in CaTiO revealed via elemental mapping
Kosuke Kurushima, Hiroshi Nakajima, Shinya Mine +5
Extensive studies have been performed on layered compounds, ranging from layered cuprates to van der Waals materials with critical issues of intergrowths and stacking faults. Howev…
Charged domain boundaries stabilized by translational symmetry breaking in the hybrid improper ferroelectric CaSrTiO
Hiroshi Nakajima, Kosuke Kurushima, Shinya Mine +5
Charged domain walls and boundaries in ferroelectric materials display distinct phenomena, such as an increased conductivity due to the accumulation of bound charges. Here, we repo…
Crystallization behaviors in superionic conductor NaPS
Hiroshi Nakajima, Hirofumi Tsukasaki, Jiong Ding +7
All-solid-state batteries using sodium are promising candidates for next-generation rechargeable batteries due to the limited lithium resources. A practical sodium battery requires…
Superconductivity enhanced by abundant low-energy phonons in (SrCa)RhSn
Yasuhiro Terasaki, Ratsuki Yamaguchi, Yui Ishii +3
The effects of structural quantum criticality on the strong-coupling superconductivity of (SrCa)RhSn have been investigated via electrical resistivity an…