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Article
Open AccessMutual synchronization of spin torque nano-oscillators through a long-range and tunable electrical coupling scheme
The concept of spin-torque-driven high-frequency magnetization dynamics, allows the potential construction of complex networks of non-linear dynamical nanoscale systems, combining the field of spintronics and ...
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Article
Open AccessCoherent microwave generation by spintronic feedback oscillator
The transfer of spin angular momentum to a nanomagnet from a spin polarized current provides an efficient means of controlling the magnetization direction in nanomagnets. A unique consequence of this spin torq...
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Article
Spin-torque resonant expulsion of the vortex core for an efficient radiofrequency detection scheme
It has been proposed that high-frequency detectors based on the so-called spin-torque diode effect in spin transfer oscillators could eventually replace conventional Schottky diodes due to their nanoscale size...
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Article
Sinusoidal obstruction syndrome after allogeneic hematopoietic stem cell transplantation: Incidence, risk factors and outcomes
This retrospective study was conducted in Japan to determine the incidence, risk factors and outcomes of sinusoidal obstruction syndrome (SOS) after allogeneic hematopoietic stem cell transplantation (HSCT). A...
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Article
Dynamic change of glycemic status during the early phase after allogeneic hematopoietic stem cell transplantation
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Chapter and Conference Paper
Spontaneous Formation of Correlated Charge Coherence Induced by 1.5-Cycle Pulse in 1-D Organic Metal (TMTTF)2AsF6
Ultrafast optical response of organic metal (TMTTF)2AsF6 induced by 1.5 cycle (7 fs) infrared pulse was investigated. Intense coherent oscillation of correlated charge (18 fs) grows in the time scale of 50 fs, re...
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Article
Severe weight loss in 3 months after allogeneic hematopoietic SCT was associated with an increased risk of subsequent non-relapse mortality
Patients after allogeneic hematopoietic SCT (HSCT) are at risk of malnutrition. To assess the impact of malnutrition after allogeneic HSCT on transplant outcomes, we conducted a retrospective study. Adult pati...
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Article
Highly sensitive nanoscale spin-torque diode
Highly sensitive microwave devices that are operational at room temperature are important for high-speed multiplex telecommunications. Quantum devices such as superconducting bolometers possess high performanc...
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Article
Recent decrease in non-relapse mortality due to GVHD and infection after allogeneic hematopoietic cell transplantation in non-remission acute leukemia
Although recent improvements have been indicated in the outcome after allogeneic hematopoietic cell transplantation (allo-HCT), little information is available on how changes in transplant modalities have affe...
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Article
MgO overlayer thickness dependence of perpendicular magnetic anisotropy in CoFeB thin films
The dependence of the magnetization and perpendicular magnetic anisotropy (PMA) of Ta/CoFeB/MgO/Ta on the thicknesses of the CoFeB layer and the MgO overlayer was investigated by vibrating sample magnetometer....
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Article
Changes in incidence and causes of non-relapse mortality after allogeneic hematopoietic cell transplantation in patients with acute leukemia/myelodysplastic syndrome: an analysis of the Japan Transplant Outcome Registry
The outcomes for allogeneic hematopoietic cell transplantation (allo-HCT) are heavily influenced by non-relapse mortality (NRM). We retrospectively assessed the changes in the incidence and causes of NRM after...
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Article
Spin dynamics of charge carriers in the process of their localization in α’-(BEDT-TTF)2IBr2 single crystals
Sharp changes in the integral intensity and linewidth of the ESR spectrum that accompany the localization of the charge carriers have been revealed in α’-(BEDT-TTF)2IBr2 crystals. It has been found that the types...
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Article
Large microwave generation from current-driven magnetic vortex oscillators in magnetic tunnel junctions
Spin-polarized current can excite the magnetization of a ferromagnet through the transfer of spin angular momentum to the local spin system. This pure spin-related transport phenomenon leads to alluring possib...
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Chapter and Conference Paper
Ultrafast terahertz response driven by photoinduced insulator to metal transition in layered organic salt
Photo-induced insulator to metal transition in two-dimensional organic salt α-(ET)2I3 (ET: [bis(ethylenedithio)]tetrathiafulvalene) was investigated by near-IR-pump and THz-probe spectroscopy. Photo-induced micro...
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Article
Vertical fissure: computed tomographic observation and correlation with chest radiography
The purpose of this study was to assess radiographic and computed tomography (CT) findings of the vertical fissure.
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Article
Unusual Electronic State of Layered θ-(ET)2 X Studied by Raman Spectroscopy
Employing Raman spectroscopy, we have studied the electronic structure of the charge-ordering system, θ−(ET)2X, the dihedral angle (φ) of which ranges from 100 to 121°. The most stable metal, θ−(ET)2I3, (φ=100°) ...
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Article
Unusual electronic state of layered θ-(ET)2X studied by raman spectroscopy
Employing Raman spectroscopy, we have studied the electronic structure of the charge-ordering system, θ-(ET)2X, the dihedral angle (ϕ) of which ranges from 100° to 121°. The most stable metal, θ-(ET)2I3, (ϕ=100°)...
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Article
Incoherent-coherent crossover behavior in κ-(BEDT-TTF)2X, probed by13C-NMR and optical studies
We have measured13C-NMR and reflection spectrum in κ-(BEDT-TTF)2Ag(CN)2·H2O. No increase of the AF magnetic fluctuation as in κ-(BEDT-TTF)2Cu[N(CN)2]C was observed. Results of13C-NMR suggested the emergence of su...
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Article
Shear stress effect on thin films of platinum complex Pt(dpg)2 and chromic compounds
We have studied the effect of shear stress on thin films of Pt(dpg)2 and chromic compounds, spiropyrans, by using the sapphire-anvil cell. From Raman spectra under hydrostatic pressure and shear deformation, the ...
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Article
Shear Stress Effect on Thin Films of Platinum Complex Pt(dpg)2 and Chromic Compounds
We have studied the effect of shear stress on thin films of Pt(dpg)2 and chromic compounds, spiropyrans, by using the sapphire-anvil cell. From Raman spectra under hydrostatic pressure and shear deformation, the ...