Zobrazeno 1 - 10
of 649
pro vyhledávání: '"Affronte M."'
Publikováno v:
F. Chianese et al., Appl. Phys. Lett. 112, 213301 (2018)
In this work we test graphene electrodes in nano-metric channel n-type Organic Field EffectTransistors (OFETs) based on thermally evaporated thin films of perylene-3,4,9,10-tetracarboxylic acid diimide derivative (PDIF-CN2). By a thorough comparison
Externí odkaz:
http://arxiv.org/abs/1810.12685
Autor:
Troiani, F., Godfrin, C., Thiele, S., Balestro, F., Wernsdorfer, W., Klyatskaya, S., Ruben, M., Affronte, M.
We monitor the Landau-Zener dynamics of a single-ion magnet in a spin-transistor geometry. For increasing field-sweep rates, the spin reversal probability shows increasing deviations from that of a closed system. In the low-conductance limit, such de
Externí odkaz:
http://arxiv.org/abs/1705.04512
Publikováno v:
Physica C, 235-240, 1873 (1994)
The superconducting energy gap of $\rm Ba_{1-x}K_xBiO_3$ has been measured by tunneling. Despite the fact that the sample was macroscopically single phase with very sharp superconducting transition $T_c$ at 32~$K$, some of the measured tunnel junctio
Externí odkaz:
http://arxiv.org/abs/1704.00285
Autor:
Ghirri, A., Bonizzoni, C., Troiani, F., Buccheri, N., Beverina, L., Cassinese, A., Affronte, M.
Publikováno v:
Phys. Rev. A 93, 063855 (2016)
The problem of coupling multiple spin ensembles through cavity photons is revisited by using PyBTM organic radicals and a high-$T_c$ superconducting coplanar resonator. An exceptionally strong coupling is obtained and up to three spin ensembles are s
Externí odkaz:
http://arxiv.org/abs/1605.02879
Autor:
Julien, M. -H., Simonet, V., Canals, B., Ballou, R., Hassan, A. K., Affronte, M., Garlea, V. O., Darie, C., Bordet, P.
Publikováno v:
Phys. Rev. B 87, 214423 (2013)
The hole-doped kagome lattice of Cu2+ ions in LaCuO2.66 was investigated by nuclear quadrupole resonance (NQR), electron spin resonance (ESR), electrical resistivity, bulk magnetization and specific heat measurements. For temperatures above ~180 K, t
Externí odkaz:
http://arxiv.org/abs/1304.3062
Publikováno v:
Physical Review B 83, 121401(R) (2011)
We report very low temperature magnetoconductance DeltaG measurements on graphene devices with the magnetic field H applied parallel to the carbon sheet. The DeltaG(H) signal depends on the gate voltage Vg and its sign is related with the universal c
Externí odkaz:
http://arxiv.org/abs/1101.3030
Autor:
Martinelli, A., Palenzona, A., Tropeano, M., Ferdeghini, C., Putti, M., Cimberle, M. R., Nguyen, T. D., Affronte, M., Ritter, C.
Publikováno v:
Physical Review B 81 (2010) 094115
The nuclear and magnetic structure of Fe1+y(Te1-x,Sex) (0 < x < 0.20) compounds was analyzed between 2 K and 300 K by means of Rietveld refinement of neutron powder diffraction data. Samples with x < 0.075 undergo a tetragonal to monoclinic phase tra
Externí odkaz:
http://arxiv.org/abs/1002.3517
Molecular spin clusters are mesoscopic systems whose structural and physical features can be tailored at the synthetic level. Besides, their quantum behavior is directly accessible in laboratory and their magnetic properties can be rationalized in te
Externí odkaz:
http://arxiv.org/abs/1002.0450
Autor:
Riggs, S., Tarantini, C., Jaroszynski, J., Gurevich, A., Palenzona, A., Putti, M., Nguyen, T. Duc, Affronte, M.
Publikováno v:
PHYSICAL REVIEW B 80, 214404 (2009)
We have investigated the evolution of the low temperature specific heat anomaly (TN=5.4K in zero field) in polycrystalline SmFeAsO samples with magnetic fields up to 35T. The anomaly remains very sharp up to 16T and becomes rounded with little shift
Externí odkaz:
http://arxiv.org/abs/0909.3625
Autor:
Tropeano, M., Martinelli, A., Palenzona, A., Bellingeri, E., d'Agliano, E. Galleani, Nguyen, T. D., Affronte, M., Putti, M.
Publikováno v:
PHYSICAL REVIEW B 78, 094518 (2008)
A comparative study of thermal properties of SmFeAsO, SmFeAs(O0.93F0.07) and SmFeAs(O0.85F0.15) samples is presented. Specific heat and thermal conductivity show clear evidences of the spin density wave (SDW) ordering below TSDW 135 K in undoped SmFe
Externí odkaz:
http://arxiv.org/abs/0807.0719