Výsledky vyhledávání - "Andrade, M. C."

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Development of 2D Bi-SQUID Arrays with High Linearity

Autor: Berggren, S., Prokopenko, G., Longhini, P., Palacios, A., Mukhanov, O. A., de Escobar, A. Leese, Taylor, B. J., de Andrade, M. C., Nisenoff, M., Fagaly, R. L., Wong, T., Cho, E., Wong, E., In, V.

We develop a two-dimensional (2D) Superconducting Quantum Interference Filter (SQIF) array based on recently introduced high-linearity tri-junction bi-SQUIDs. Our bi-SQUID SQIF array design is based on a tight integration of individual bi- SQUID cell

Externí odkaz: http://arxiv.org/abs/1301.2163

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DC and RF Measurements of Serial Bi-SQUID Arrays

Autor: Prokopenko, G. V., Mukhanov, O. A., de Escobar, A. Leese, Taylor, B., de Andrade, M. C., Berggren, S., Longhini, P., Palacios, A., Nisenoff, M., Fagaly, R. L.

SQUID arrays are promising candidates for low profile antennas and low noise amplifier applications. We present the integrated circuit designs and results of DC and RF measurements of the wideband serial arrays based on integration of linear bi-SQUID

Externí odkaz: http://arxiv.org/abs/1212.3748

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Ab-initio molecular dynamics simulation of hydrogen diffusion in $\alpha$-iron

Autor: Sanchez, J., Fullea, F., Andrade, M. C., de Andres, P. L.

Publikováno v: Phys. Rev. b 81 (2010) 132102

First-principles atomistic molecular dynamics simulation in the micro-canonical and canonical ensembles has been used to study the diffusion of interstitial hydrogen in $\alpha$-iron. Hydrogen to Iron ratios between $\theta=1/16 and 1/2 have been con

Externí odkaz: http://arxiv.org/abs/1106.0464

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Cubic to hexagonal iron phase transition promoted by interstitial hydrogen

Autor: Castedo, A., Sanchez, J., Fullea, J., Andrade, M. C., de Andres, P. L.

Using ab-initio density functional theory we study the role of interstitial hydrogen on the energetics of the phase transformation of iron from bcc to hcp along Bain's pathway. The impurity creates an internal stress field that can be released throug

Externí odkaz: http://arxiv.org/abs/1106.0386

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^{27}Al Impurity-Satellite NMR and Non-Fermi-Liquid Behavior in U_{1-x}Th_xPd_2Al_3

Autor: Liu, Chia-Ying, MacLaughlin, D. E., Lukefahr, H. G., Miller, G., Hui, K., Maple, M. B., de Andrade, M. C., Freeman, E. J.

Non-Fermi-liquid (NFL) behavior in the f-sublattice-diluted alloy system U_{1-x}Th_xPd_2Al_3 has been studied using ^{27}Al nuclear magnetic resonance (NMR). Impurity satellites due to specific U near-neighbor configurations to ^{27}Al sites are clea

Externí odkaz: http://arxiv.org/abs/cond-mat/0001078

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Evidence for a common physical description of non-Fermi-liquid behavior in f-electron systems

Autor: de Andrade, M. C., Chau, R., Dickey, R. P., Dilley, N. R., Freeman, E. J., Gajewski, D. A., Maple, M. B., Movshovich, R., Neto, A. H. Castro, Castilla, G. E., Jones, B. A.

The non-Fermi-liquid (NFL) behavior observed in the low temperature specific heat $C(T)$ and magnetic susceptibility $\chi(T)$ of f-electron systems is analyzed within the context of a recently developed theory based on Griffiths singularities. Measu

Externí odkaz: http://arxiv.org/abs/cond-mat/9802081

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