Zobrazeno 1 - 10
of 682
pro vyhledávání: '"Malavasi L"'
Autor:
Buzinsky, N., Taylor, R. J., Byron, W., DeGraw, W., Dodson, B., Fertl, M., García, A., Goodson, A. P., Graner, B., Harrington, H., Hayen, L., Malavasi, L., McClain, D., Melconian, D., Müller, P., Novitski, E., Oblath, N. S., Robertson, R. G. H., Rybka, G., Savard, G., Smith, E., Stancil, D. D., Storm, D. W., Swanson, H. E., Tedeschi, J. R., VanDevender, B. A., Wietfeldt, F. E., Young, A. R.
Cyclotron radiation emission spectroscopy (CRES) is a modern technique for high-precision energy spectroscopy, in which the energy of a charged particle in a magnetic field is measured via the frequency of the emitted cyclotron radiation. The He6-CRE
Externí odkaz:
http://arxiv.org/abs/2405.06847
Publikováno v:
Phys. Rev. B 93, 024107-Published 13 January 2016
We show that the pressure-induced metal-insulator transition (MIT) in LaMnO$_3$ is fundamentally different from the Mott-Hubbard transition and is percolative in nature, with the measured resistivity obeying the percolation scaling laws. Using the Gu
Externí odkaz:
http://arxiv.org/abs/1507.06592
Autor:
Baldassarre, L., Perucchi, A., Postorino, P., Lupi, S., Marini, C., Malavasi, L., Jiang, J., Weiss, J. D., Hellstrom, E. E., Pallecchi, I., Dore, P.
Publikováno v:
Phys. Rev. B 85, 174522 (2012)
We report on an infrared study on the undoped compound BaFe2As2 as a function of both pressure (up to about 10 GPa) at three temperatures (300, 160, and 110 K). The evolution with pressure and temperature of the optical conductivity shows that, by in
Externí odkaz:
http://arxiv.org/abs/1306.1352
Autor:
Capitani, F., Hoeppner, M., Joseph, B., Malavasi, L., Artioli, G. A., Baldassarre, L., Perucchi, A., Piccinini, M., Lupi, S., Dore, P., Boeri, L., Postorino, P.
Publikováno v:
Phys. Rev. B 88, 144303 (2013)
We present high-quality optical data and density functional perturbation theory calculations for the vibrational spectrum of solid picene (C$_{22}$H$_{14}$) under pressure up to 8 GPa. First-principles calculations reproduce with a remarkable accurac
Externí odkaz:
http://arxiv.org/abs/1306.1030
Autor:
Joseph, B., Boeri, L., Malavasi, L., Capitani, F., Artioli, G. A., Protti, S., Fagnoni, M., Albini, A., Marini, C., Baldassarre, L., Perucchi, A., Lupi, S., Postorino, P., Dore, P.
Publikováno v:
Journal of Physics: Condensed Matter 24 (2012) 252203
Recently, Mitsuhashi et al., have observed superconductivity with transition temperature up to 18 K in potassium doped picene (C22H14), a polycyclic aromatic hydrocarbon compound [Nature 464 (2010) 76]. Theoretical analysis indicate the importance of
Externí odkaz:
http://arxiv.org/abs/1205.5881
Publikováno v:
J. Phys. Condens. Matter 23 (2011) 112202
Systematic local structural studies of Ba$_{1-x}$K$_x$Fe$_2$As$_2$ system are undertaken at room temperature using atomic pair distribution function (PDF) analysis. The local structure of the Ba$_{1-x}$K$_x$Fe$_2$As$_2$ is found to be well described
Externí odkaz:
http://arxiv.org/abs/1103.0294
Autor:
Baldini, M., Malavasi, L., Di Castro, D., Nucara, A., Crichton, W., Mezouar, M., Blasco, J., Postorino, P.
The pressure effects on the JT distortion of three representative compounds belonging to the LaMn_1-xGa_xO_3 (x= 0.2, 0.3, 0.4) family was widely investigated by means of X-ray diffraction and Raman spectroscopy. A compound with a fully JT distorted
Externí odkaz:
http://arxiv.org/abs/0807.2848
Autor:
Baldassarre, L., Perucchi, A., Nicoletti, D., Toschi, A., Sangiovanni, G., Held, K., Capone, M., Ortolani, M., Malavasi, L., Marsi, M., Metcalf, P., Postorino, P., Lupi, S.
Publikováno v:
PHYSICAL REVIEW B 77, 113107 (2008)
The infrared conductivity of V2O3 is measured in the whole phase diagram. Quasiparticles appear above the Neel temperature TN and eventually disappear further enhancing the temperature, leading to a pseudogap in the optical spectrum above 425 K. Our
Externí odkaz:
http://arxiv.org/abs/0710.1247
Autor:
Arcangeletti, E., Baldassarre, L., Di Castro, D., Lupi, S., Malavasi, L., Marini, C., Perucchi, A., Postorino, P.
Publikováno v:
Phys. Rev. Lett. 98, 196406 (2007)
Raman and combined trasmission and reflectivity mid infrared measurements have been carried out on monoclinic VO$_2$ at room temperature over the 0-19 GPa and 0-14 GPa pressure ranges, respectively. The pressure dependence obtained for both lattice d
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611281
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