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4 papers · 2 filters
Gigantic Maximum of Nanoscale Noncontact Friction
Kohta Saitoh, Kenichi Hayashi, Yoshiyuki Shibayama +1
We report measurements of noncontact friction between surfaces of NbSe and SrTiO, and a sharp Pt-Ir tip that is oscillated laterally by a quartz tuning fork cantilever.…
Theory of magnon-driven spin Seebeck effect
Jiang Xiao, Gerrit E. W. Bauer, Ken-ichi Uchida +2
The spin Seebeck effect is a spin-motive force generated by a temperature gradient in a ferromagnet that can be detected via normal metal contacts through the inverse spin Hall eff…
Isotope effect on electron paramagnetic resonance of boron acceptors in silicon
A. R. Stegner, H. Tezuka, T. Andlauer +4
The fourfold degeneracy of the boron acceptor ground state in silicon, which is easily lifted by any symmetry breaking perturbation, allows for a strong inhomogeneous broadening of…
Electron Paramagnetic Resonance of Boron Acceptors in Isotopically Purified Silicon
H. Tezuka, A. R. Stegner, A. M. Tyryshkin +5
The electron paramagnetic resonance (EPR) linewidths of B acceptors in Si are found to reduce dramatically in isotopically purified 28Si single crystals. Moreover, extremely narrow…