Zobrazeno 1 - 10
of 44
pro vyhledávání: '"José Pedro Andreeta"'
Eis o livro que desvenda, sob o ponto de vista da ciência, os conhecimentos milenares expostos no Caibalion e no Símbolo Perdido de Dan Brown. Aqui o encontro da ciência com a sabedoria antiga oferece um diálogo surpreendente e rico para o leigo.
Autor:
J. Teles, José Pedro Andreeta, C. Rivera-Ascona, Arthur G. Araujo-Ferreira, Tito José Bonagamba, R. Auccaise
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Recently, we reported an experimental implementation of quantum information processing (QIP) by nuclear quadrupole resonance (NQR). In this work, we present the first quantum state tomography (QST) experimental implementation in the NQR QIP context.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e904f08f99a5cc5e604ecccec27bd003
https://doi.org/10.1007/s11128-018-1947-1
https://doi.org/10.1007/s11128-018-1947-1
Publikováno v:
Journal of Crystal Growth. 310:3568-3572
Manganites are materials with a high potential for applications in magnetic sensors, head-reading magnetoresistives hard disk, RAM memories and actuator devices, among others. Laser heated floating zone (LHFZ) growth of manganite fibers is a suitable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88da6c521ae4bf4dea07c335ea8fcce6
https://doi.org/10.1016/j.jcrysgro.2008.04.003
https://doi.org/10.1016/j.jcrysgro.2008.04.003
Publikováno v:
Journal of Crystal Growth. 294:447-451
The LHPG technique has been successfully applied to the growth of single crystals in fiber shape with a controlled composition and lattice parameter gradient along the fiber axis. The GdTaO 4 –ErTaO 4 system was chosen for having a full solubility
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b6620b82f6269b0adb3fdc227671cb8
https://doi.org/10.1016/j.jcrysgro.2006.06.041
https://doi.org/10.1016/j.jcrysgro.2006.06.041
Publikováno v:
Journal of Crystal Growth. 277:308-313
Gradient single crystal fibers of GdTaO 4 –YbTaO 4 have been grown by laser-heated pedestal growth (LHPG). The crystals of the compounds have differences in the lattice parameters of Δ a / a av = 2.5 % , Δ b / b av = 2.2 % and Δ c / c av = 0.9 %
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8262e32571b0492698cd4913e54acd94
https://doi.org/10.1016/j.jcrysgro.2005.01.046
https://doi.org/10.1016/j.jcrysgro.2005.01.046
Publikováno v:
Applied Physics B. 80:497-502
This work presents the structural and spectroscopic characterization of undoped and neodymium doped CaNb2O6 single crystal fibers grown by the low cost and versatile Laser Heated Pedestal Growth technique. To evaluate the potentialities of doped fibe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e97caa50dfb508cde138618a4f1e226
https://doi.org/10.1007/s00340-005-1745-1
https://doi.org/10.1007/s00340-005-1745-1
Publikováno v:
CRYSTAL RESEARCH AND TECHNOLOGY
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
The analysis of the melt profile in floating zone techniques has been made in the past years by raising differential equations in terms of Cartesian coordinates and numerically looking for its solution. Although this method permits to establish quite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bba61749e4db53c159eb7015f64f662
https://doi.org/10.1002/crat.200410265
https://doi.org/10.1002/crat.200410265
Publikováno v:
Crystal Research and Technology. 39:859-863
Optimized conditions for the growth of lanthanoids orthoniobates (LnNbO4, Ln = lanthanide elements) single crystal minirods by a floating zone technique were investigated. Adequate atmospheres and pulling to feeding speed ratios to grow these materia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f5bed0d8ab69c470b5cf2054d3f13cc
https://doi.org/10.1002/crat.200410266
https://doi.org/10.1002/crat.200410266
Autor:
José Pedro Andreeta, M. Siu Li, L. B. Barbosa, Luis Humberto da Cunha Andrade, D. Reyes Ardila, Yannick Guyot, Georges Boulon, Alain Brenier
Publikováno v:
The European Physical Journal Applied Physics. 29:55-64
Optical spectroscopy studies of Nd 3+ -doped scheelite calcium molybdate (CaMeO 4 ) single crystal grown by a floating zone-like technique was performed using Judd-Ofelt analysis, besides luminescence data and lifetime measurements in the visible and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfb0b8c7c51a0a4fab9d83fbe5d68046
https://doi.org/10.1051/epjap:2004177
https://doi.org/10.1051/epjap:2004177
Autor:
R. de Almeida Silva, José Pedro Andreeta, Cesar Cusatis, Luiz Antônio de Oliveira Nunes, A.S.S. de Camargo
Publikováno v:
Journal of Crystal Growth. 262:246-250
High optical and structural quality columbite CaNb2O6 single crystal was grown by laser-heated pedestal growth (LHPG) technique directly from starting reagents. The structural quality of the fibers was evaluated by X-ray rocking curve profile, X-ray
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6534183bca68819d3185f5fdaff5757
https://doi.org/10.1016/j.jcrysgro.2003.10.013
https://doi.org/10.1016/j.jcrysgro.2003.10.013