Search Results - "Kajita, Koji"
-
1
Quantum Phase Transition in Organic Massless Dirac Fermion System α-(BEDT-TTF)2I3 under Pressure
Published in Journal of the Physical Society of Japan (15-12-2020)“…We investigate the effect of strong electronic correlation on the massless Dirac fermion system, α-(BEDT-TTF)2I3, under pressure. In this organic salt, one can…”
Get full text
Journal Article -
2
Universal Behavior of Magnetoresistance in Organic Dirac Electron Systems
Published in Journal of the Physical Society of Japan (15-11-2020)“…In-plane magnetoresistance for organic massless Dirac electron system (OMDES) α-(BEDT-TTF)2I3 and θ-(BEDT-TTF)2I3 in addition to possible candidates of the…”
Get full text
Journal Article -
3
Experimental study of organic zero-gap conductor α-(BEDT-TTF)2I3
Published in Science and technology of advanced materials (01-04-2009)“…A zero-gap state with a Dirac cone type energy dispersion was discovered in the organic conductor α-(BEDT-TTF) 2 I 3 under high hydrostatic pressures. This is…”
Get full text
Journal Article -
4
Ruthenium-Catalyzed Regio- and Stereoselective Addition of Carboxylic Acids to Aryl and Trifluoromethyl Group Substituted Unsymmetrical Internal Alkynes
Published in Organic letters (17-06-2011)“…The regio- and stereoselective addition of carboxylic acids to aryl and trifluoromethyl group substituted unsymmetrical internal alkynes has been accomplished:…”
Get full text
Journal Article -
5
Ruthenium-Catalyzed Regioselective [2 + 2 + 2] Cyclotrimerization of Trifluoromethyl Group Substituted Internal Alkynes
Published in Organic letters (04-03-2011)“…It found that the Ru3(CO)12 coordinated with 2-(diphenylphosphino)benzonitrile (2-DPPBN) to effectively catalyze the [2 + 2 + 2] cyclotrimerization of the…”
Get full text
Journal Article -
6
Effects of uniaxial strain on transport properties of organic conductor α-(BEDT-TTF)2I3 and discovery of superconductivity
Published in Journal of the Physical Society of Japan (01-08-2002)Get full text
Journal Article -
7
Transport Phenomenon of Multilayer Zero-Gap Conductor in the Quantum Limit
Published in Journal of the Physical Society of Japan (15-02-2011)“…Mysterious transport phenomena observed in a zero gap conductor $\alpha$-(BEDT-TTF) 2 I 3 were investigated. In particular, the electron system in the quantum…”
Get full text
Journal Article -
8
Hexagonal Supramolecular Architectures from Ferrocenium Cations Incorporating [Ni(mnt)2]− Columns: Structures and Properties of [Alkylferrocene][Ni(mnt)2]− Charge-Transfer Complexes (mnt=maleonitriledithiolate)
Published in Chemistry : a European journal (01-01-2007)“…The crystal architecture, magnetic properties, and thermodynamic properties of [n‐butylferrocene][Ni(mnt)2] (1), [tert‐butylferrocene][Ni(mnt)2] (2),…”
Get full text
Journal Article -
9
Transport Phenomena in Multilayered Massless Dirac Fermion System α-(BEDT-TTF)2I3
Published in Crystals (Basel) (11-06-2012)“…A zero-gap state with a Dirac cone type energy dispersion was discovered in an organic conductor α-(BEDT-TTF)2I3 under high hydrostatic pressures. This is the…”
Get full text
Journal Article -
10
Paramagnetic Metal—Antiferromagnetic Insulator Transition in π-d System λ-BETS2FeCl4, BETS = Bis(ethylenedithio)tetraselenafulvalene
Published in Crystals (Basel) (17-07-2012)“…Quasi-two-dimensional organic conductor λ-BETS2FeCl4 (BETS = bis(ethylenedithio)tetraselenafulvalene) transforms from a paramagnetic metal (PM) to an…”
Get full text
Journal Article -
11
Molecular Dirac Fermion Systems — Theoretical and Experimental Approaches
Published in Journal of the Physical Society of Japan (15-07-2014)Get full text
Journal Article -
12
-
13
Out-of-plane resistance under transverse magnetic field in quasi-one-dimensional layered metals
Published in Journal of the Physical Society of Japan (01-05-2006)“…We succeeded in deriving an analytical expression that yields the electrical conductivity for quasi-one-dimensional electron systems, when the current is in…”
Get full text
Journal Article -
14
Effect of the zero-mode landau level on interlayer magnetoresistance in multilayer massless Dirac fermion systems
Published in Physical review letters (01-05-2009)“…We report on the experimental results of interlayer magnetoresistance in the multilayer massless Dirac fermion system alpha-(BEDT-TTF)2I3 under hydrostatic…”
Get full text
Journal Article -
15
Fermi surface study of quasi-two-dimensional organic conductors by magnetooptical measurements
Published in Journal of the Physical Society of Japan (01-01-2003)“…Magnetooptical measurements of several quasi-two-dimensional (q2D) organic conductors, which have simple Fermi surface structure, have been performed by using…”
Get full text
Journal Article -
16
Magnetic properties and structures of the α- and δ-phases of p-NPNN
Published in Journal of the Physical Society of Japan (2003)Get full text
Journal Article -
17
Out-of-plane resistance of quasi-two dimensional metal (BEDT-TTF)3Cl(DFBIB) in transverse magnetic fields
Published in Journal of the Physical Society of Japan (2006)“…We investigated the magnetoresistance effect on an organic conductor, (ET)3Cl(DFBIB), which has a quasi-two-dimensional electron system. The out-of-plane…”
Get full text
Journal Article -
18
-
19
-
20
Thermodynamical study of (DMe-DCQNI)2Cu system mechanism of reentrant metal-insulator transition
Published in Journal of the Physical Society of Japan (2000)“…We have experimentally studied the mechanism of reentrant metal-insulator-metal transition of DCNQI-Cu system. Measurements of specific heat and latent heat…”
Get full text
Journal Article