282 citations · 602 across the 18 of their papers we have counts for
18 papers
Higher-order epitaxy: A pathway to suppressing structural instability and emergent superconductivity
Yuki Sato, Soma Nagahama, Shunsuke Kitou +11
Molecular beam epitaxy enables the growth of thin film materials with novel properties and functionalities. Typically, the lattice constants of films and substrates are designed to…
Re-entrant superconductivity at an oxide heterointerface
D. Maryenko, M. Kawamura, I. V. Maznichenko +7
A magnetic field typically suppresses superconductivity by either breaking Cooper pairs via the Zeeman effect or inducing vortex formation. However, under certain circumstances, a…
Topological Hall effect in a non-magnetic metal interfaced to a canted antiferromagnetic insulator in perovskite oxide heterostructures
Takahiro C. Fujita, Koki Omura, Masashi Kawasaki
We report interfacial transport properties in in-situ grown orthorhombic perovskite oxide heterostructures consisting of an antiferromagnetic insulator DyFeO and a paramagnetic…
Ferromagnetic state with large magnetic moments realized in epitaxially strained Sr3Ru2O7 films
Ren Oshima, Tatsuto Hatanaka, Shinichi Nishihaya +6
Technical advancement of oxide molecular beam epitaxy (MBE) has opened new avenues for studying various quantum transport phenomena in correlated transition-metal oxides, as exempl…
Berry curvature derived negative magnetoconductivity observed in type-II magnetic Weyl semimetal films
Ayano Nakamura, Shinichi Nishihaya, Hiroaki Ishizuka +5
Here we study nonmonotonic features which appear both in magnetoresistivity and anomalous Hall resistivity during the simple magnetization process, by systematically measuring type…
Spectroscopic investigations on trivalent ruthenium ions in ruthenium perovskite oxide thin films
S. Nakata, R. Takahashi, R. Matsumoto +6
The electron configurations under the crystal field, spin-orbit coupling, and Coulomb interaction give rise to a plethora of profound ground states. Ruthenium perovskite oxid…
Intrinsic insulating transport characteristics in low-carrier density EuCd2As2 films
Shinichi Nishihaya, Ayano Nakamura, Mizuki Ohno +4
Searching for an ideal magnetic Weyl semimetal hosting only a single pair of Weyl points has been a focal point for systematic clarification of its unique magnetotransport derived…
Edge and bulk states in Weyl-orbit quantum Hall effect as studied by Corbino measurements
Yusuke Nakazawa, Ryosuke Kurihara, Masatoshi Miyazawa +5
We investigate edge and bulk states in Weyl-orbit based quantum Hall effect by measuring a Corbino-type device fabricated from a topological Dirac semimetal (Cd1-xZnx)3As2 film. Cl…
Kondo effect in electrostatically defined ZnO quantum dots
Kosuke Noro, Yusuke Kozuka, Kazuma Matsumura +5
Quantum devices such as spin qubits have been extensively investigated in electrostatically confined quantum dots using high-quality semiconductor heterostructures like GaAs and Si…
Unconventional anomalous Hall effect in epitaxially stabilized orthorhombic Ru perovskite thin films
L. -F. Zhang, T. C. Fujita, Y. Masutake +5
Complex oxides are mesmerizing material systems to realize multiple physical properties and functionalities by integrating different elements in a single compound. However, owing t…
Molecular beam epitaxy of three-dimensionally thick Dirac semimetal Cd3As2 films
Y. Nakazawa, M. Uchida, S. Nishihaya +4
Rapid progress of quantum transport study in topological Dirac semimetal, including observations of quantum Hall effect in two-dimensional (2D) CdAs s…
Tensile-Strain Dependent Spin States in Epitaxial LaCoO Thin Films
Y. Yokoyama, Y. Yamasaki, M. Taguchi +11
The spin states of Co ions in perovskite-type LaCoO, governed by complex interplay between the electron-lattice interactions and the strong electron correlations, still…
Evolution of Insulator-Metal Phase Transitions in Epitaxial Tungsten Oxide Films during Electrolyte-Gating
Shinichi Nishihaya, Masaki Uchida, Yusuke Kozuka +2
An interface between an oxide and an electrolyte gives rise to various processes as exemplified by electrostatic charge accumulation/depletion and electrochemical reactions such as…
Epitaxially Stabilized Oxide Composed of Twisted Triangular-Lattice Layers
M. Uchida, K. Ohba, Y. Ohuchi +2
Layered oxides have been intensively studied due to their high designability for various electronic functions. Here we synthesize a new oxide as epitaxial thin film form by pulsed…
All-in-all-out magnetic domain wall conduction in pyrochlore iridate heterointerface
T. C. Fujita, M. Uchida, Y. Kozuka +4
Pyrochlore oxides possessing "all-in-all-out" spin ordering have attracted burgeoning interest as a rich ground of emergent states. This ordering has two distinct types of magnetic…
Thermal generation of spin current in an antiferromagnet
S. Seki, T. Ideue, M. Kubota +6
Longitudinal spin Seebeck effect has been investigated for an uniaxial antiferromagnetic insulator Cr2O3, characterized by a spin-flop transition under magnetic field along the c-a…
Odd-parity magnetoresistance in pyrochlore iridate thin films with broken time-reversal symmetry
T. C. Fujita, Y. Kozuka, M. Uchida +3
A new class of materials termed topological insulators have been intensively investigated due to their unique Dirac surface state carrying dissipationless edge spin currents. Recen…
Formation of In-plane Skyrmions in Epitaxial MnSi Thin Films as Revealed by Planar Hall Effect
T. Yokouchi, N. Kanazawa, A. Tsukazaki +7
We investigate skyrmion formation in both a single crystalline bulk and epitaxial thin films of MnSi by measurements of planar Hall effect. A prominent stepwise field profile of pl…