34 Result(s)

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...

A. S. Jenkins, R. Lebrun, E. Grimaldi, S. Tsunegi, P. Bortolotti… in Nature Nanotechnology (2016)

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...

K Yakushi**, Y Atsuta, N Doki, A Yokota, H Kanamori… in Bone Marrow Transplantation (2016)

Article

Dynamic change of glycemic status during the early phase after allogeneic hematopoietic stem cell transplantation

S Fuji, K Yakushi**, S-W Kim, K Yoshimura, S Kurosawa… in Bone Marrow Transplantation (2015)

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...

T. Ishikawa, Y. Sagae, Y. Naito, J. Ichimura, Y. Kawakami… in Ultrafast Phenomena XIX (2015)

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...

S Fuji, T Mori, N Khattry, J Cheng, Y R Do, K Yakushi**… in Bone Marrow Transplantation (2015)

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...

S. Miwa, S. Ishibashi, H. Tomita, T. Nozaki, E. Tamura, K. Ando… in Nature Materials (2014)

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...

S Kurosawa, K Yakushi**, T Yamaguchi, Y Atsuta… in Bone Marrow Transplantation (2013)

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....

D. D. Lam, F. Bonell, S. Miwa, Y. Shiota… in Journal of the Korean Physical Society (2013)

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...

S Kurosawa, K Yakushi**, T Yamaguchi, Y Atsuta… in Bone Marrow Transplantation (2013)

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...

R. B. Morgunov, A. I. Dmitriev… in Journal of Experimental and Theoretical Ph… (2010)

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...

A. Dussaux, B. Georges, J. Grollier, V. Cros, A.V. Khvalkovskiy… in Nature Communications (2010)

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...

H. Nakaya, Y. Takahashi, S. Iwai, K. Yamamoto, K. Yakushi… in Ultrafast Phenomena XVI (2009)

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.

Yasuyuki Kurihara, Shin Matsuoka, Kunihiro Yagihashi… in Radiation Medicine (2008)

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°) ...

K. Yakushi, K. Suzuki, K. Yamamoto, T. Yamamoto… in Journal of Low Temperature Physics (2006)

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°)...

K. Yakushi, K. Suzuki, K. Yamamoto, T. Yamamoto… in Journal of Low Temperature Physics (2006)

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...

A. Kawamoto, Y. Honma, K. Kumagai, K. Yamamoto… in Journal of Low Temperature Physics (2006)

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 ...

M. Inokuchi, D. Kawamura, Y. Sakka, K. Yabuuchi… in Journal of Low Temperature Physics (2006)

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 ...

M. Inokuchi, D. Kawamura, Y. Sakka, K. Yabuuchi… in Journal of Low Temperature Physics (2006)