A. Nakao

activity

20102023

most citedUnique Helical Magnetic Order and Field-Induced Phase in Trillium Lattice Antiferromagnet EuPtSi

122 citations · 581 across the 19 of their papers we have counts for

collaborators

19 papers

cond-mat.str-el2023★ 27 cited

Easy-plane multi- $q$ magnetic ground state of Na $_{3}$ Co $_{2}$ SbO $_{6}$

Yuchen Gu, Xintong Li, Yue Chen +9

Na $_{3}$ Co $_{2}$ SbO $_{6}$ is a potential Kitaev magnet with a monoclinic layered crystal structure. Recent investigations of the $C_{3}$ -symmetric sister compound Na $_{2}$ Co $_{2}$ TeO $_{6}$ have…

cond-mat.str-el2022★ 10 cited

Cycloidal Magnetic Ordering in Noncentrosymmetric EuIrGe $_{3}$

Takeshi Matsumura, Mitsuru Tsukagoshi, Yoshihisa Ueda +7

Successive magnetic phase transitions at $T_{N}$ =12.2 K, $T_{N}^{'}$ =7.0 K, and $T_{N}^{*}$ =5.0 K in EuIrGe $_{3}$ , an intermetallic compound with a body…

cond-mat.supr-con2021★ 18 cited

Superconductivity-driven ferromagnetism and spin manipulation using vortices in the magnetic superconductor EuRbFe4As4

Shigeyuki Ishida, Daniel Kagerbauer, Sigrid Holleis +8

Magnetic superconductors are specific materials exhibiting two antagonistic phenomena, superconductivity and magnetism, whose mutual interaction induces various emergent phenomena,…

cond-mat.str-el2021

Magnetic structures and phase transitions of A-site Ordered Double-Perovskite SmBaMn2O6

Ryoji Kiyanagi, Shigeki Yamada, Hiroshi Aoki +4

Magnetic structures and the relationship between spin and charge-orbital orderings of an A-site ordered double-perovskite manganite SmBaMn2O6, an anticipated multiferroic material,…

cond-mat.str-el2021★ 28 cited

Hybridization-gap Formation and Superconductivity in the Pressure-induced Semimetallic Phase of the Excitonic Insulator Ta $_{2}$ NiSe $_{5}$

Kazuyuki Matsubayashi, Hidekazu Okamura, Takashi Mizokawa +19

The excitonic insulator Ta $_{2}$ NiSe $_{5}$ experiences a first-order structural transition under pressure from rippled to flat layer-structure at Ps = 3 GPa, which drives the system fr…

cond-mat.str-el2021★ 67 cited

Charge-Density-Wave Order and Multiple Magnetic Transitions in Divalent Europium Compound EuAl $_{4}$

Koji Kaneko, Takuro Kawasaki, Koji Munakata +7

Multiple transition phenomena in divalent Eu compound EuAl $_{4}$ with the tetragonal structure were investigated via the single-crystal time-of-flight neutron Laue technique. At 30.0…

cond-mat.str-el2020★ 32 cited

$q = 0$ long-range magnetic order in centennialite CaCu $_{3}$ (OD) $_{6}$ Cl $_{2}$ $\cdot$ 0.6D $_{2}$ O: A spin-1/2 perfect kagome antiferromagnet with $J_{1}$ - $J_{2}$ - $J_{d}$

K. Iida, H. K. Yoshida, A. Nakao +13

Crystal and magnetic structures of the mineral centennialite CaCu $_{3}$ (OH) $_{6}$ Cl $_{2} \cdot 0.6$ H $_{2}$ O are investigated by means of synchrotron x-ray diffraction and neutron diffraction…

cond-mat.supr-con2019★ 44 cited

Coexisting spin resonance and long-range magnetic order of Eu in EuRbFe $_{4}$ As $_{4}$

K. Iida, Y. Nagai, S. Ishida +14

Magnetic excitations and magnetic structure of EuRbFe $_{4}$ As $_{4}$ were investigated by inelastic neutron scattering (INS), neutron diffraction, and random phase approximation (RPA) c…

cond-mat.str-el2019★ 13 cited

Lattice dynamics coupled to charge and spin degrees of freedom in the molecular dimer-Mott insulator $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ]Cl

Masato Matsuura, Takahiko Sasaki, Satoshi Iguchi +11

Inelastic neutron scattering measurements on the molecular dimer-Mott insulator $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ]Cl reveal a phonon anomaly in a wide temperature range. Starting…

cond-mat.str-el2019★ 11 cited

A molecular diamond lattice antiferromagnet as a Dirac semimetal candidate

Yasuhiro Shimizu, Akihiro Otsuka, Mitsuhiko Maesato +6

The ground state of a molecular diamond-lattice compound (ET)Ag $_{4}$ (CN) $_{5}$ is investigated by the magnetization and nuclear magnetic resonance spectroscopy. We found that the syst…

cond-mat.str-el2018★ 122 cited

Unique Helical Magnetic Order and Field-Induced Phase in Trillium Lattice Antiferromagnet EuPtSi

Koji Kaneko, Matthias D. Frontzek, Masaaki Matsuda +8

Magnetic transition phenomena in cubic chiral antiferromagnet EuPtSi with $T_{N}$ =4.0~K were investigated by means of single crystal neutron diffraction. At 0.3~K in the ground…

physics.app-ph2017★ 10 cited

Mn $_{2}$ VAl Heusler alloy thin films: Appearance of antiferromagnetism and an exchange bias in a layered structure with Fe

Tomoki Tsuchiya, Ryota Kobayashi, Takahide Kubota +5

Mn $_{2}$ VAl Heusler alloy films were epitaxially grown on MgO(100) single crystal substrates by means of ultra-high-vacuum magnetron sputtering. A2 and L2 $_{1}$ type Mn $_{2}$ VAl order wa…

cond-mat.mtrl-sci2017★ 30 cited

Neutron-scattering study of yttrium iron garnet

Shin-ichi Shamoto, Takashi U. Ito, Hiroaki Onishi +13

The nuclear and magnetic structure and full magnon dispersions of yttrium iron garnet Y $_{3}$ Fe $_{5}$ O $_{12}$ have been studied by neutron scattering. The refined nuclear structure is…

cond-mat.str-el2016★ 20 cited

Magnetic structure of divalent europium compound EuGa $_{4}$ studied by single crystal time-of-flight neutron diffraction

Takuro Kawasaki, Koji Kaneko, Ai Nakamura +11

The magnetic structure of the intermetallic compound EuGa $_{4}$ was investigated using single-crystal neutron diffraction with the time-of-flight (TOF) Laue technique on the new diff…

cond-mat.str-el2013★ 8 cited

Spin state of Co $^{3 +}$ in LaCo $_{1 - x}$ Rh $_{x}$ O $_{3}$ investigated by structural phenomena

Shinichiro Asai, Ryuji Okazaki, Ichiro Terasaki +13

Neutron diffraction for a polycrystalline sample of LaCo $_{0.8}$ Rh $_{0.2}$ O $_{3}$ and synchrotron x-ray diffraction for polycrystalline samples of LaCo $_{0.9}$ Rh $_{0.1}$ O $_{3}$ and…

cond-mat.str-el2011★ 58 cited

Peierls Mechanism of the Metal-Insulator Transition in Ferromagnetic Hollandite K2Cr8O16

T. Toriyama, A. Nakao, Y. Yamaki +10

Synchrotron X-ray diffraction experiment shows that the metal-insulator transition occurring in a ferromagnetic state of a hollandite K $_{2}$ Cr $_{8}$ O $_{16}$ is accompanied by a struct…

cond-mat.str-el2011★ 15 cited

Effect of cation size variance on spin and orbital order in Eu $_{1 - x}$ (La $_{0.254}$ Y $_{0.746}$ ) $_{x}$ VO $_{3}$

R. Fukuta, S. Miyasaka, K. Hemmi +8

We have investigated the $R$ -ion ( $R$ = rare earth or Y) size variance effect on spin/orbital order in Eu $_{1 - x}$ (La $_{0.254}$ Y $_{0.746}$ ) $_{x}$ VO $_{3}$ . The size variance disturbs o…

cond-mat.other2010★ 18 cited

NMR of 3He in contact with PrF3 nanoparticles at low temperatures

M. S. Tagirov, E. M. Alakshin, R. R. Gazizulin +8

Two nanosized PrF3 samples were synthesized using two different procedures. The X-ray and HRTEM experiments showed high crystallinity of synthesized sample. Comparison of enhanced…

cond-mat.str-el2010★ 50 cited

Electrons doped in cubic perovskite SrMnO3: isotropic metal versus chainlike ordering of Jahn-Teller polarons

H. Sakai, S. Ishiwata, D. Okuyama +5

Single crystals of electron-doped SrMnO3 with a cubic perovskite structure have been systematically investigated as the most canonical (orbital-degenerate) double-exchange system,…

Easy-plane multi-q magnetic ground state of Na3​Co2​SbO6​

Cycloidal Magnetic Ordering in Noncentrosymmetric EuIrGe3​

Superconductivity-driven ferromagnetism and spin manipulation using vortices in the magnetic superconductor EuRbFe4As4

Magnetic structures and phase transitions of A-site Ordered Double-Perovskite SmBaMn2O6

Hybridization-gap Formation and Superconductivity in the Pressure-induced Semimetallic Phase of the Excitonic Insulator Ta2​NiSe5​

Charge-Density-Wave Order and Multiple Magnetic Transitions in Divalent Europium Compound EuAl4​

q=0 long-range magnetic order in centennialite CaCu3​(OD)6​Cl2​⋅0.6D2​O: A spin-1/2 perfect kagome antiferromagnet with J1​-J2​-Jd​

Coexisting spin resonance and long-range magnetic order of Eu in EuRbFe4​As4​

Lattice dynamics coupled to charge and spin degrees of freedom in the molecular dimer-Mott insulator κ-(BEDT-TTF)2​Cu[N(CN)2​]Cl