Taichi Terashima
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View article: In-plane and interlayer magnetoresistance in FeSe
In-plane and interlayer magnetoresistance in FeSe Open
We report measurements of the in-plane and interlayer magnetoresistances of FeSe. The in-plane magnetoresistance $Δρ_{ab}/ρ_{ab}(0)$ for $B \parallel c$ is positive below $T_s$ and increases with decreasing temperature, exceeding 2.5 at $T…
View article: Topological delocalization against Anderson localization observed in Bi-doped PbSb2Te4 disordered topological insulator
Topological delocalization against Anderson localization observed in Bi-doped PbSb2Te4 disordered topological insulator Open
We experimentally investigate the tendency of localization in the bulk and the topological surface states in topological insulators Pb(Bi1-xSbx)2Te4 (x=0.793-0.818) through detailed transport measurements. The bulk electronic states in the…
View article: Apparent nonreciprocal transport in FeSe bulk crystals
Apparent nonreciprocal transport in FeSe bulk crystals Open
We performed low-frequency ac first- and second-harmonic resistance measurements and dc $I-V$ measurements on bulk FeSe crystals in a temperature range between 1.8 and 150 K and in magnetic field up to 14 T. We observed considerable second…
View article: Anomalous upper critical field in the quasicrystal superconductor Ta1.6Te
Anomalous upper critical field in the quasicrystal superconductor Ta1.6Te Open
Superconductivity in quasicrystals poses a new challenge in condensed matter physics. We measured the resistance and ac magnetic susceptibility of a Ta 1.6 Te dodecagonal quasicrystal, which is superconducting below T c ~ 1 K. We show that…
View article: Anomalous Hall effect in the magnetic Weyl semimetal NdAlGe with plateaus observed at low temperatures
Anomalous Hall effect in the magnetic Weyl semimetal NdAlGe with plateaus observed at low temperatures Open
In the $R\mathrm{Al}$(Si,Ge) ($R$: lanthanides) family, both spatial inversion and time-reversal symmetries are broken. This may offer opportunities to study Weyl-fermion physics in nontrivial spin structures emerging from a noncentrosymme…
View article: Anomalous upper critical field in the quasicrystal superconductor Ta$_{1.6}$Te
Anomalous upper critical field in the quasicrystal superconductor Ta$_{1.6}$Te Open
Superconductivity in quasicrystals poses a new challenge in condensed matter physics. We measured the resistance and ac magnetic susceptibility of a Ta$_{1.6}$Te dodecagonal quasicrystal, which is superconducting below $T_c \sim$ 1 K. We s…
View article: Anomalous Hall effect with plateaus observed in a magnetic Weyl semimetal NdAlGe at low temperatures
Anomalous Hall effect with plateaus observed in a magnetic Weyl semimetal NdAlGe at low temperatures Open
In the $R$Al(Si,Ge) ($R$: lanthanides) family, both spatial inversion and time-reversal symmetries are broken. This may offer opportunities to study Weyl-fermion physics in nontrivial spin structures emerging from a noncentrosymmetric crys…
View article: Transport evidence for twin-boundary pinning of superconducting vortices in FeSe
Transport evidence for twin-boundary pinning of superconducting vortices in FeSe Open
We provide bulk transport evidence for twin-boundary pinning of vortices in FeSe. We measure interlayer resistance in FeSe in magnetic fields and find that, as the field is rotated in the $ab$ plane, the flux-flow resistivity is suppressed…
View article: Fermi surface and light quasi particles in hourglass nodal chain metal <i>β</i>-ReO<sub>2</sub>
Fermi surface and light quasi particles in hourglass nodal chain metal <i>β</i>-ReO<sub>2</sub> Open
Quantum oscillations (QOs) in magnetic torque and electrical resistivity were measured to investigate the electronic structure of β -ReO 2 , a candidate hourglass nodal chain (NC) metal (Dirac loop chain metal). All the de Haas–van Alphen …
View article: Experimental verification of band convergence in Sr and Na codoped PbTe
Experimental verification of band convergence in Sr and Na codoped PbTe Open
Scanning tunneling microscopy and transport measurements have been performed to investigate the electronic structure and its temperature dependence in heavily Sr and Na codoped PbTe, which is recognized as one of the most promising thermoe…
View article: Bulk Physical Properties of a Magnetic Weyl Semimetal Candidate NdAlGe Grown by a Laser Floating-Zone Method
Bulk Physical Properties of a Magnetic Weyl Semimetal Candidate NdAlGe Grown by a Laser Floating-Zone Method Open
In this study, we report the successful growth of single crystals of a magnetic Weyl semimetal candidate NdAlGe with the space group I41md. The crystals were grown using a floating-zone technique, which used five laser diodes, with a total…
View article: In-plane electronic anisotropy revealed by interlayer resistivity measurements on the iron-based superconductor parent compound CaFeAsF
In-plane electronic anisotropy revealed by interlayer resistivity measurements on the iron-based superconductor parent compound CaFeAsF Open
Both cuprates and iron-based superconductors demonstrate nematicity, defined as the spontaneous breaking of rotational symmetry in electron systems. The nematic state can play a role in the high-transition-temperature superconductivity of …
View article: CeFe$_2$Al$_{10}$: a Correlated Metal with a Fermi Surface Exhibiting Nonmetallic Conduction
CeFe$_2$Al$_{10}$: a Correlated Metal with a Fermi Surface Exhibiting Nonmetallic Conduction Open
Metals can be defined as materials with a Fermi surface or as materials exhibiting metallic conduction (i.e., $\mathrm{d} ρ/ \mathrm{d}T > 0$). Usually, these definitions both hold at low temperatures, such as liquid-helium temperatures, a…
View article: Single crystal growth and de Haas-van Alphen effect in strong coupling s-wave superconductor SrPt<sub>3</sub>P
Single crystal growth and de Haas-van Alphen effect in strong coupling s-wave superconductor SrPt<sub>3</sub>P Open
We have succeeded in growing a single crystal of SrPt 3 P, which was reported as a strong coupling s -wave superconductor with the critical temperature of T c =8.4 K, and have measured the de Haas-van Alphen (dHvA) effect and the electrica…
View article: Fermi Surface Structure and Isotropic Stability of Fulde-Ferrell-Larkin-Ovchinnikov Phase in Layered Organic Superconductor β″-(BEDT-TTF)2SF5CH2CF2SO3
Fermi Surface Structure and Isotropic Stability of Fulde-Ferrell-Larkin-Ovchinnikov Phase in Layered Organic Superconductor β″-(BEDT-TTF)2SF5CH2CF2SO3 Open
The Fermi surface structure of a layered organic superconductor β″-(BEDT-TTF)2SF5CH2CF2SO3 was determined by angular-dependent magnetoresistance oscillations measurements and band-structure calculations. This salt was found to have two sma…
View article: CSD 2101863: Experimental Crystal Structure Determination
CSD 2101863: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Antiperovskite Superconductor LaPd<sub>3</sub>P with Noncentrosymmetric Cubic Structure
Antiperovskite Superconductor LaPd<sub>3</sub>P with Noncentrosymmetric Cubic Structure Open
Antiperovskites are a promising candidate structure for the exploration of new materials. We discovered an antiperovskite phosphide, LaPd3P, following our recent synthesis of APd3P (A = Ca, Sr, Ba). While APd3P and (Ca,Sr)Pd3P were found t…
View article: CSD 2005003: Experimental Crystal Structure Determination
CSD 2005003: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2005001: Experimental Crystal Structure Determination
CSD 2005001: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2005002: Experimental Crystal Structure Determination
CSD 2005002: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Structural phase transitions and superconductivity induced in antiperovskite phosphide CaPd$_3$P
Structural phase transitions and superconductivity induced in antiperovskite phosphide CaPd$_3$P Open
In this study, we succeeded in synthesizing new antiperovskite phosphides $M$Pd$_3$P ($M$ = Ca, Sr, Ba) and discovered the appearance of a superconducting phase (0.17 $\leq$ $x$ $\leq$ 0.55) in a solid solution (Ca$_{1-x}$Sr$_x$)Pd$_3$P. T…
View article: Real spin and pseudospin topologies in the noncentrosymmetric topological nodal-line semimetal CaAgAs
Real spin and pseudospin topologies in the noncentrosymmetric topological nodal-line semimetal CaAgAs Open
We present the topology of spin-split Fermi surface of CaAgAs as determined by de Haas-van Alphen (dHvA) effect measurements combined with ab initio calculations. We have determined the torus-shaped nodal-line Fermi surface from the dHvA o…
View article: Substitution Effect on the Metamagnetic Crossover in the Super-Heavy Fermion Compound YbCo<sub>2</sub>Zn<sub>20</sub>
Substitution Effect on the Metamagnetic Crossover in the Super-Heavy Fermion Compound YbCo<sub>2</sub>Zn<sub>20</sub> Open
YbCo 2 Zn 20 , a super-heavy fermion compound, exhibits a metamagnetic crossover at 0.6 T at temperatures below 0.2 K.We have studied the effect of Ni substitution for Co in Yb(Co 1-x Ni x ) 2 Zn 20 (x ≤ 0.126) on the crossover by the meas…
View article: Concomitance of superconducting spin–orbit scattering length and normal state spin diffusion length in W on (Bi,Sb)<sub>2</sub>Te<sub>3</sub>
Concomitance of superconducting spin–orbit scattering length and normal state spin diffusion length in W on (Bi,Sb)<sub>2</sub>Te<sub>3</sub> Open
We report the observation of an anomalously large in-plane upper critical field, exceeding at least 2.5 times the Pauli paramagnetic limit, in a thin superconducting W film grown on a topological insulator (Bi,Sb) 2 Te 3 . This can be acco…