225 citations · 829 across the 22 of their papers we have counts for
22 papers
Designing electronic magnetoelectric matter with organic quantum spin trimers
Yuko Hosokoshi, Christopher P. Aoyama, Zhuowei Zhang +17
Magnetoelectric (ME) phenomena are commonly driven by spin-lattice coupling. Here we demonstrate a different route based on frustrated quantum spin trimers that intrinsically inter…
Enhancement of density of states and suppression of superconductivity in site-disordered topological metal LaPtSi
Sitaram Ramakrishnan, Tatsuya Yamakawa, Ryohei Oishi +5
Single crystals of non-centrosymmetric -wave superconductor LaPtSi have been grown by the Czochralski (Cz) technique, whose crystal structure is described by t…
Inelastic neutron scattering study of crystalline electric field excitations in the caged compounds NdT2Zn20 (T = Co, Rh, and Ir)
Rikako Yamamoto, Manh Duc Le, Devashibhai T. Adroja +3
We have measured crystalline electric field (CEF) excitations of Nd3+ ions in the two-channel Kondo lattice candidates NdT2Zn20 (T = Co, Rh, and Ir) by means of inelastic neutron s…
Observation of thermodynamics originating from a mixed-spin ferromagnetic chain
H. Yamaguchi, S. C. Furuya, S. Morota +6
We present a model compound that forms a mixed-spin ferromagnetic chain. Our material design, based on the organic radicals, affords a verdazyl-based complex (p-Py-V)2[Mn(hfac)2].…
Quantitative investigation of the 4 occupation in the quasikagome Kondo lattice CeRhPdSn
Martin Sundermann, Andrea Marino, Andrei Gloskovskii +4
CeRhSn with the Ce atoms forming a quasikagome lattice in the hexagonal plane has recently been discussed in the context of quantum criticality driven by magnetic frustration. Furt…
Antiferromagnetic correlations in strongly valence fluctuating CeIrSn
Y. Shimura, A. Wörl, M. Sundermann +11
CeIrSn with a quasikagome Ce lattice in the hexagonal basal plane is a strongly valence fluctuating compound, as we confirm by hard x-ray photoelectron spectroscopy and inelastic n…
Quantum critical behaviour and Lifshitz transition in intermediate valence -YbAlB
Mihael S. Grbić, Eoin C. T. O'Farrell, Yosuke Matsumoto +11
Intermetallic compounds containing -electron elements have been prototypical materials for investigating strong electron correlations and quantum criticality (QC). Their heavy f…
Giant Anisotropic Magnetoresistance due to Purely Orbital Rearrangement in the Quadrupolar Heavy Fermion Superconductor PrVAl
Yasuyuki Shimura, Qiu Zhang, Bin Zeng +11
We report the discovery of giant and anisotropic magnetoresistance due to the orbital rearrangement in a non-magnetic correlated metal. In particular, we measured the magnetoresist…
Magnetic and structural quantum phase transitions in CeCu6-xAux are independent
K. Grube, L. Pintschovius, F. Weber +9
The heavy-fermion compound CeCuAu has become a model system for unconventional magnetic quantum criticality. For small Au concentrations , the compound…
High temperature antiferromagnetism in Yb based heavy fermion systems proximate to a Kondo insulator
Shintaro Suzuki, Kou Takubo, Kentaro Kuga +9
Given the parallelism between the physical properties of Ce and Yb based magnets and heavy fermions due to the electron-hole symmetry, it has been rather odd that the transition te…
Thermodynamic study of gap structure and pair-breaking effect by magnetic field in the heavy-fermion superconductor CeCu2Si2
Shunichiro Kittaka, Yuya Aoki, Yasuyuki Shimura +7
This paper presents the results of specific-heat and magnetization measurements, in particular their field-orientation dependence, on the first discovered heavy-fermion superconduc…
Bulk Fermi-surface of the Weyl type-II semi-metallic candidate MoTe2
D. Rhodes, R. Schönemann, N. Aryal +15
The electronic structure of WTe and orthorhombic MoTe, are claimed to contain pairs of Weyl type-II points. A series of ARPES experiments claim a broad agreement with t…
Unstable Spin-Ice Order in the Stuffed Metallic Pyrochlore PrIrO
D. E. MacLaughlin, O. O. Bernal, Lei Shu +12
Specific heat, elastic neutron scattering, and muon spin rotation (SR) experiments have been carried out on a well-characterized sample of "stuffed" (Pr-rich) PrIr$_{2-x…
Field-Induced Quadrupolar Quantum Criticality in PrV2Al20
Yasuyuki Shimura, Masaki Tsujimoto, Bin Zeng +3
PrV2Al20 is the heavy fermion superconductor based on the cubic Gamma3 doublet that exhibits non- magnetic quadrupolar ordering below ~ 0.6 K. Our magnetotransport study on PrV2Al2…
CeCu_2Ge_2: Challenging our Understanding of Quantum Criticality
B. Zeng, Q. R. Zhang, D. Rhodes +6
Here, we unveil evidence for a quantum phase-transition in CeCu_2Ge_2 which displays both an incommensurate spin-density wave (SDW) ground-state, and a strong renormalization of th…
Field evolution of quantum critical and heavy Fermi-liquid components in the magnetization of the mixed valence compound beta-YbAlB4
Yosuke Matsumoto, K. Kuga, Y. Karaki +5
We present the high-precision magnetization data of the valence fluctuating heavy fermion superconductor -YbAlB in a wide temperature range from 0.02 K to 320 K spanning fou…
Singlet-triplet Crossover in the Two-dimensional Dimer Spin System YbAl3C3
Shunichiro Kittaka, Tomoyoshi Sugiyama, Yasuyuki Shimura +3
Low-temperature magnetization (M) measurements down to 0.1 K have been performed in magnetic fields up to 14.5 T for a single piece of a tiny single-crystalline sample (0.2 mg weig…
Multiband superconductivity with unexpected deficiency of nodal quasiparticles in CeCu2Si2
Shunichiro Kittaka, Yuya Aoki, Yasuyuki Shimura +6
Superconductivity in the heavy-fermion compound CeCu2Si2 is a prototypical example of Cooper pairs formed by strongly correlated electrons. For more than 30 years, it has been beli…
Destruction of Kondo effect in cubic heavy fermion compound Ce3Pd20Si6
J. Custers, K. -A. Lorenzer, M. Müller +9
How ground states of quantum matter transform between one another reveals deep insights into the mechanisms stabilizing them. Correspondingly, quantum phase transitions are explore…
Long-range order and spin-liquid states of polycrystalline TbTiO
T. Taniguchi, H. Kadowaki, H. Takatsu +11
Low-temperature states of polycrystalline samples of a frustrated pyrochlore oxide TbTiO have been investigated by specific heat, magnetic susceptibility, a…
T/B scaling of magnetization in the mixed valent compound β-YbAlB4
Yosuke Matsumoto, S. Nakatsuji, K. Kuga +5
Here we provide the first clear evidence of Fermi-liquid breakdown in an intermediate valence system. We employ high precision magnetization measurements of the valence fluctuating…
Quantum Criticality without Tuning in the Mixed Valence Compound beta-YbAlB4
Yosuke Matsumoto, Satoru Nakatsuji, Kentaro Kuga +6
Fermi liquid theory, the standard theory of metals, has been challenged by a number of observations of anomalous metallic behavior found in the vicinity of a quantum phase transiti…