Search Results - "Kawamura, Minoru"
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Current-induced switching of proximity-induced ferromagnetic surface states in a topological insulator
Published in Nature communications (03-03-2021)“…Electrical manipulation of magnetization could be an essential function for energy-efficient spintronics technology. A magnetic topological insulator,…”
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2
Large non-reciprocal charge transport mediated by quantum anomalous Hall edge states
Published in Nature nanotechnology (01-10-2020)“…The topological nature of the quantum anomalous Hall effect (QAHE) causes a dissipationless chiral edge current at the sample boundary 1 , 2 . Of fundamental…”
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3
Current-induced magnetization switching at charge-transferred interface between topological insulator (Bi,Sb)2Te3 and van der Waals ferromagnet Fe3GeTe2
Published in Applied physics letters (19-07-2021)“…Ferromagnetic two-dimensional van der Waals materials attract enormous interest as a platform to explore spin-related quantum phenomena, especially in…”
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4
Visualization of an axion insulating state at the transition between 2 chiral quantum anomalous Hall states
Published in Proceedings of the National Academy of Sciences - PNAS (16-07-2019)“…Quantum-relativistic materials often host electronic phenomena with exotic spatial distributions. In particular, quantum anomalous Hall (QAH) insulators…”
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5
Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard
Published in Nature physics (01-01-2022)“…The quantum anomalous Hall effect (QAHE) 1 – 6 is a transport phenomenon where the Hall resistance is quantized to the von Klitzing constant due to the…”
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6
Tailoring tricolor structure of magnetic topological insulator for robust axion insulator
Published in Science advances (06-10-2017)“…Exploration of novel electromagnetic phenomena is a subject of great interest in topological quantum materials. One of the unprecedented effects to be…”
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7
Gate-electric-field and magnetic-field control of versatile topological phases in a semi-magnetic topological insulator
Published in Applied physics letters (30-10-2023)“…Surface states of a topological insulator demonstrate interesting quantum phenomena, such as the quantum anomalous Hall (QAH) effect and the quantum…”
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8
Precise resistance measurement of quantum anomalous Hall effect in magnetic heterostructure film of topological insulator
Published in Applied physics letters (06-04-2020)“…The accuracy of Hall resistance in the quantum anomalous Hall effect has been studied at zero magnetic field using Crx(Bi,Sb) 2 − x Te3-based magnetic…”
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9
Laughlin charge pumping in a quantum anomalous Hall insulator
Published in Nature physics (19-01-2023)“…Adiabatic charge pumping is one of the most salient features of topological phases of matter 1 – 3 . Laughlin’s charge pumping in a quantum Hall system is the…”
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10
Enhancement of anomalous Hall effect in epitaxial thin films of intrinsic magnetic topological insulator MnBi2Te4 with Fermi-level tuning
Published in Applied physics letters (17-01-2022)“…The recently discovered intrinsic magnetic topological insulator MnBi2Te4 has attracted keen interest for exotic quantum states such as a quantum anomalous…”
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11
Current-Driven Instability of the Quantum Anomalous Hall Effect in Ferromagnetic Topological Insulators
Published in Physical review letters (07-07-2017)“…The instability of the quantum anomalous Hall (QAH) effect has been studied as a function of the electric current and temperature in ferromagnetic topological…”
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Electronic Magnetization of a Quantum Point Contact Measured by Nuclear Magnetic Resonance
Published in Physical review letters (17-07-2015)“…We report an electronic magnetization measurement of a quantum point contact (QPC) based on nuclear magnetic resonance (NMR) spectroscopy. We find that NMR…”
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13
Excitatory effect of Neurotropin® on noradrenergic neurons in rat locus coeruleus
Published in Life sciences (1973) (01-09-2015)“…Although the clinical use of Neurotropin® as an analgesic for chronic pain has been firmly established, its analgesic mechanism is still unclear. In this…”
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14
Nonreciprocal charge transport in topological superconductor candidate Bi2Te3/PdTe2 heterostructure
Published in npj quantum materials (30-10-2022)“…In a hybrid system of topological insulator (TI)/superconductor (SC), the proximity-induced topological superconductivity is expected to appear at the…”
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15
Peculiar magnetotransport properties in epitaxially stabilized orthorhombic Ru3+ perovskite LaRuO3 and NdRuO3
Published in Communications materials (14-03-2024)“…Complex oxides are interesting materials where multiple physical properties and functionalities can be realized by integrating different elements in a single…”
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16
Second morning urine method is superior to the casual urine method for estimating daily salt intake in patients with hypertension
Published in Hypertension research (01-06-2012)“…The accuracy of the casual urine (CU) method for estimating daily salt intake was compared with the second morning urine (SMU) method and with 24-h urine…”
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Seasonal Variation in the Daily Urinary Sodium Excretion in Outpatients from the Morioka Region of Northern Japan
Published in Internal Medicine (01-01-2017)“…Objective Although the daily urinary sodium excretion (UNaV) is considered to provide the most reliable estimate of the daily sodium intake, it may be affected…”
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18
Effectiveness of a Spot Urine Method in Evaluating Daily Salt Intake in Hypertensive Patients Taking Oral Antihypertensive Drugs
Published in Hypertension research (01-06-2006)“…Kawasaki et al. developed a spot urine method (SUM) for evaluating daily salt intake using one pre-breakfast sample obtained after initial voiding upon…”
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The influence of posture on the estimation of daily salt intake by the second morning urine method
Published in Hypertension research (01-05-2010)“…The second morning urine (SMU) method was developed to evaluate daily salt intake, but the posture that should be adopted until the SMU collection remains…”
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Seasonal Variation of Severe Hypoglycemia in Hospitalized Patients 60 years of Age or Older Presenting to an Emergency Center Hospital between 2004 and 2010
Published in Internal Medicine (01-01-2013)“…Objective To investigate the seasonal variation of severe hypoglycemia in hospitalized elderly patients. Methods Among the patients hospitalized in our…”
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