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List of works by Reiji Kumai

A Brønsted-Ligand-Based Iron Complex as a Molecular Switch with Five Accessible States

scientific article published on 20 March 2019

A supramolecular ferroelectric realized by collective proton transfer

scientific article published on 01 January 2007

Above-room-temperature ferroelectricity and antiferroelectricity in benzimidazoles.

scientific article published on January 2012

Above-room-temperature ferroelectricity in a single-component molecular crystal

scientific article

Anion substitution in hydrogen-bonded organic conductors: the chemical pressure effect on hydrogen-bond-mediated phase transition

scientific article published in 2017

Bipartite magnetic parent phases in the iron oxypnictide superconductor

scholarly article by M. Hiraishi et al published 16 March 2014 in Nature Physics

Carboxylic Acid Functionalized Spin-Crossover Iron(II) Grids for Tunable Switching and Hybrid Electrode Fabrication

Characterization of 'metal resist' for EUV lithography

Charge-order driven proton arrangement in a hydrogen-bonded charge-transfer complex based on a pyridyl-substituted TTF derivative

scientific article published in 2012

Chiral crystal-structure transformation ofR3Co4Sn13(R=La and Ce)

scholarly article in Physical Review B, vol. 94 no. 7, August 2016

Chiral-crystal-structure transformations and magnetic states of R3Rh4Sn13 ( R=La and Ce)

scholarly article in Physical Review B, vol. 97 no. 23, June 2018

Cluster-Based Haldane State in an Edge-Shared Tetrahedral Spin-Cluster Chain: Fedotovite K_{2}Cu_{3}O(SO_{4})_{3}.

scientific article published in February 2018

Crystallization and vitrification of electrons in a glass-forming charge liquid.

scientific article published on 28 September 2017

Current-induced Giant Lattice Deformation in the Mott Insulator Ca 2 RuO 4

scientific article published on 15 April 2020

Current-induced insulator-metal transition and pattern formation in an organic charge-transfer complex

scientific article

Direct observations of the photoinduced change in dimerization in K-TCNQ

scholarly article in Physical Review B, vol. 93 no. 19, May 2016

Electric-field control of solitons in a ferroelectric organic charge-transfer salt

scientific article published on 02 June 2010

Electronic ferroelectricity in a molecular crystal with large polarization directing antiparallel to ionic displacement

scientific article published on 04 June 2012

Erratum: Above-room-temperature ferroelectricity in a single-component molecular crystal

scientific article published in Nature

Evolution of magnetic and structural transitions and enhancement of magnetocaloric effect inFe1−xMnxV2O4

scholarly article in Physical Review B, vol. 89 no. 10, March 2014

Ferroelectric valence transition and phase diagram of a series of charge-transfer complexes of 4,4'-dimethyltetrathiafulvalene and tetrahalo-p-benzoquinones.

scientific article published in January 2001

Ferroelectricity and polarity control in solid-state flip-flop supramolecular rotators

scientific article published on 8 February 2009

Ferroelectricity and pressure-induced phenomena driven by neutral ionic valence instability of acid-base supramolecules

scientific article published on 5 January 2012

Ferroelectricity near room temperature in co-crystals of nonpolar organic molecules.

scientific article published on 23 January 2005

Few-Volt Operation of Printed Organic Ferroelectric Capacitor

scientific article

Giant Rashba-type spin splitting in bulk BiTeI

scientific article published on 19 June 2011

High-temperature and pressure-induced ferroelectricity in hydrogen-bonded supramolecular crystals of anilic acids and 2,3-di(2-pyridinyl)pyrazine

scientific article published on 11 March 2013

Hydrogen bond-promoted metallic state in a purely organic single-component conductor under pressure

scientific article published in January 2013

Hydrogen ordering and new polymorph of layered perovskite oxyhydrides: Sr₂VO(4-x)H(x).

scientific article published on 12 May 2014

Hydrogen-bond-dynamics-based switching of conductivity and magnetism: a phase transition caused by deuterium and electron transfer in a hydrogen-bonded purely organic conductor crystal.

scientific article

Hydrogen-bonded donor--acceptor compounds for organic ferroelectric materials

scientific article published on June 2007

Hydrogen-bonding molecular chains for high-temperature ferroelectricity

scientific article published on 04 April 2011

Inkjet printing of single-crystal films

scientific article published in Nature

Large dielectric susceptibility associated with proton transfer in a supramolecular structure of chloranilic acid and 5,5'-dimethyl-2,2'-bipyridine

scientific article published on 01 August 2006

Magnetic field switching between the two orbital-ordered states in DyVO3

scientific article published on 19 November 2007

Magnetically tunable metal-insulator superlattices

scientific article published on 01 January 2010

Magnetism and Pressure-Induced Superconductivity of Checkerboard-Type Charge-Ordered Molecular Conductor β-(meso-DMBEDT-TTF)2X (X = PF6 and AsF6)

scientific article published on 29 November 2012

Magnetostructural phase transitions in La1-xSrxMnO3 with controlled carrier density

scientific article published on 01 July 1996

Metaelectric multiphase transitions in a highly polarizable molecular crystal

scientific article published on 13 May 2020

Modulation of a Molecular π-Electron System in a Purely Organic Conductor that Shows Hydrogen-Bond-Dynamics-Based Switching of Conductivity and Magnetism

scientific article published on 27 August 2015

Neutral-ionic phase separation and one-dimensional ferroelectricity in organic relaxors

scientific article published on 01 December 2000

Novel Charge Ordering in the Trimer Iridium Oxide BaIrO3

scientific article published on 16 March 2016

Polarization switching ability dependent on multidomain topology in a uniaxial organic ferroelectric

scientific article

Possible Existence of Two Charge-Ordered Phases in Pr 1− x Ca x MnO 3 for 0.40 ≤ x ≤ 0.50

scientific article published on 15 June 2014

Possible Tomonaga-Luttinger spin liquid state in the spin-1/2 inequilateral diamond-chain compound K3Cu3AlO2(SO4)4.

scientific article published in December 2017

Pressure effect on iron-based superconductor LaFeAsO1-xHx: Peculiar response of 1111-type structure.

scientific article published on 22 December 2016

Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5.

scientific article published on 26 January 2018

Programmable spin-state switching in a mixed-valence spin-crossover iron grid

scientific article

Proton dynamics and room-temperature ferroelectricity in anilate salts with a proton sponge

scientific article

Proton tautomerism for strong polarization switching

scientific article

Protonation of pyridyl-substituted TTF derivatives: substituent effects in solution and in the proton-electron correlated charge-transfer complexes

scientific article published on 15 January 2014

Pseudogap of Metallic Layered NickelateR2−xSrxNiO4(R=Nd,Eu) Crystals Measured Using Angle-Resolved Photoemission Spectroscopy

scientific article published in Physical Review Letters

Quantum ferroelectricity in charge-transfer complex crystals.

scientific article published on 16 June 2015

Quantum phase transition in organic charge-transfer complexes

scientific article published on 01 January 2003

Redox-Dependent Transformation of a Hydrazinobuckybowl between Curved and Planar Geometries.

scientific article published on 5 August 2016

Relation between electronic structure and magnetic anisotropy in amorphous TbCo films probed by x-ray magnetic circular dichroism

Room-temperature ferroelectricity and gigantic dielectric susceptibility on a supramolecular architecture of phenazine and deuterated chloranilic acid

scientific article published in April 2005

Rotation of orbital stripes and the consequent charge-polarized state in bilayer manganites

scientific article published on 05 November 2006

Simple push coating of polymer thin-film transistors.

scientific article published on January 2012

Solid-solid phase interconversion in an organic conductor crystal: hydrogen-bond-mediated dynamic changes in π-stacked molecular arrangement and physical properties

scientific article published on 23 October 2014

Solvent-induced on/off switching of intramolecular electron transfer in a cyanide-bridged trigonal bipyramidal complex

scientific article

Spin State of Co 3+ in LaCo 1- x Rh x O 3 Investigated by Structural Phenomena

scientific article published on 15 November 2013

Spin-orbital superstructure in strained ferrimagnetic perovskite cobalt oxide

scientific article published on 09 July 2013

Strong polarization switching with low-energy loss in hydrogen-bonded organic antiferroelectrics.

scientific article

Structural assignment of polarization in hydrogen-bonded supramolecular ferroelectrics

scientific article published on 09 October 2007

Structure-property relationship of supramolecular ferroelectric [H-66dmbp][Hca] accompanied by high polarization, competing structural phases, and polymorphs

scientific article published on 31 October 2014

Synthesis of Polyazobenzenes Exhibiting Photoisomerization and Liquid Crystallinity

scientific article published on 17 February 2019

Systematic Variations in the Charge-Glass-Forming Ability of Geometrically Frustrated θ-(BEDT-TTF)2X Organic Conductors ⬇️

scientific article published on 15 August 2014

Three-way switching in a cyanide-bridged [CoFe] chain

Unconventional magnetism in the layered oxide LaSrRhO 4

scientific article published on 2 October 2014

X-ray-induced phase transitions by selective excitation of heterometal ions in a cyanide-bridged Fe-Co molecular square

scientific article published on 01 April 2014

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