Výsledky vyhledávání - "Jarvinen, J. A."

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Dynamic nuclear polarization and ESR hole burning in As doped silicon

Autor: Jarvinen, J., Zvezdov, D., Ahokas, J., Sheludyakov, S., Lehtonen, L., Vasiliev, S., Vlasenko, L., Ishikawa, Y., Fujii, Y.

We present an experimental study of the Dynamic Nuclear Polarization (DNP) of \si{} nuclei in silicon crystals of natural abundance doped with As in the temperature range 0.1-1 K and in strong magnetic field of 4.6 T. This ensures very high degree of

Externí odkaz: http://arxiv.org/abs/1911.11654

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Akademický článek

Evaluating the utility of passive thermal storage as an energy storage system on the Australian energy market

Autor: Jarvinen, J., Goldsworthy, M., White, S., Pudney, P., Belusko, M., Bruno, F.

Publikováno v: In Renewable and Sustainable Energy Reviews March 2021 137

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Akademický článek

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Cold Collision Frequency Shift in Two-Dimensional Atomic Hydrogen

Autor: Ahokas, J., Jarvinen, J., Vasiliev, S.

We report a measurement of the cold collision frequency shift in atomic hydrogen gas adsorbed on the surface of superfluid 4He at T<=90 mK. Using two-photon electron and nuclear magnetic resonance in 4.6 T field we separate the resonance line shifts

Externí odkaz: http://arxiv.org/abs/cond-mat/0610766

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Thermal compression of two-dimensional atomic hydrogen to quantum degeneracy

Autor: Vasilyev, S., Jarvinen, J., Safonov, A. I., Jaakkola, S.

We describe experiments where 2D atomic hydrogen gas is compressed thermally at a small "cold spot" on the surface of superfluid helium and detected directly with electron-spin resonance. We reach surface densities up to 5e12 1/cm^2 at temperatures o

Externí odkaz: http://arxiv.org/abs/cond-mat/0303496

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