11 documents found, page 1 of 2
Maternal Mental Health in Refugees and Migrants: a Comprehensive Systematic Review
Almeida, L. M.; Moutinho, Ana Raquel; Siciliano, Florencia; Leite, Jorge; Caldas, J. M. P.The first years of motherhood are often difficult for women, requiring large emotional and biophysical adjustments and increased health risks that may combine with social disadvantage and psychosocial conditions towards decreased maternal well-being. Those outcomes are usually worse in vulnerable populations, as refugee and migrants. Comprehending mothers’ needs regarding mental health and psychological well-be...
Estudo do comportamento da corrente de fuga em transistores de portas circulare...
Almeida, L. M.Neste trabalho é apresentado um estudo da corrente de fuga em dispositivos SOI MOSFETs operando em altas temperaturas em duas estruturas geométricas: de porta retangular e de porta circular (CG). Estas estruturas são implementadas na tecnologia SOI nMOSFET parcialmente depletada, as quais serão submetidas a operarem desde a temperatura ambiente (300 K) até 573 K. O dispositivo de porta circular é assim denomina...
Floating Body Effect on n-Channel Bulk FinFETs for Memory Application
Andrade, M. G. C. [UNESP]; Almeida, L. M.; Martino, J. A.; Aoulaiche, M.; Simoen, E.; Claeys, C.; Garcia, LMade available in DSpace on 2019-10-04T12:30:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-01-01; In this paper, the floating body effect (FBE) is experimentally investigated on triple gate n-channel Bulk FinFETs for 1T-FBRAM (1 transistor Floating Body Dynamic Random Access Memory) application. A difference between the Direct Current (DC) and the Alternating Current (AC) measurements corresponding ...
Comparison between nMOS and pMOS Ω-gate nanowire down to 10 nm width as a funct...
Itocazu, V. T.; Almeida, L. M.; Sonnenberg, V.; Agopian, P. G.D. [UNESP]; Barraud, S.; Vinet, M.; Faynot, O.; Martino, J. A.Made available in DSpace on 2019-10-06T15:39:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-30; This paper presents a comparison between nMOS and pMOS Ω-Gate Nanowire for different channel width (W NW ) down to 10 nm as a function of the large back gate bias variation (from +20 to -20 V) experimentally and by simulation. The main digital and analog parameters are analyzed in these devices as thres...
Back gate bias influence on SOI Omega-gate nanowire down to 10 nm width
Almeida, L. M.; Agopian, P. G. D. [UNESP]; Martino, J. A.; Barraud, S.; Vinet, M.; Faynot, O.; IEEEMade available in DSpace on 2018-11-26T15:38:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-01-01; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); We investigate for the first time the influence of the back gate bias (V-B) in the main digital and an...
Surface energies of simple metals from slabs: Comparison of exchange-correlatio...
Fiolhais, Carlos; Almeida, L. M.Surface energies of some simple metals (Be, Al, Mg, Li, and Na) were calculated within density functional theory. Various approximations for the exchange and correlation were tested: local density approximation (LDA), generalized gradient approximations (GGA), and meta-generalized gradient approximation (MGGA). We used the Crystal98 code to calculate slabs with one to 10 layers using both all-electron and pseud...
Extraction of aluminium surface energies from slab calculations: perturbative a...
Fiolhais, Carlos; Almeida, L. M.; Henriques, C.Surface energies of aluminium ((1 1 1), (1 1 0) and (1 0 0)) were calculated in second-order perturbation theory based on the jellium model, and by full atomistic models using a Gaussian basis set, in the framework of density functional theory. In both cases, surface energies were extracted from slab calculations using the incremental method, which considers two slabs with consecutive numbers of layers (6 and 7...
Properties of simple metals beyond the local density approximation of density f...
Almeida, L. M.; Fiolhais, Carlos; Causà, M.We calculated lattice parameters, binding energies, bulk moduli, and phase stabilities of some simple metals: Li, Be, Na, Mg, and Al. Our ab initio all-electron calculations were done within the framework of density functional theory using the Crystal-98 program. The accuracy of different functionals for exchange and correlation energies that go beyond the local density approximation (LDA) was tested. The recen...
Surface and curvature energies from jellium spheres: Density functional hierarc...
Almeida, L. M.; Perdew, John P.; Fiolhais, CarlosWe consider spherical jellium clusters with up to 200 electrons as a testing ground for density functional approximations to the exchange-correlation energy of a many-electron ground state. As nearly-exact standards, we employ Hartree–Fock energies at the exchange-only level and the diffusion Monte Carlo (DMC) energies of Sottile and Ballone (2001) at the correlated level. The density functionals tested are the...
Hydroxytamoxifen interaction with human erythrocyte membrane and induction of p...
Cruz Silva, M. M.; Madeira, V. M. C.; Almeida, L. M.; Custódio, J. B. A.4-Hydroxytamoxifen (OHTAM) is the most active metabolite of the widely prescribed anticancer drug tamoxifen (TAM) used in breast cancer therapy. This work describes the effects of OHTAM on isolated human erythrocytes, using standardized test conditions, to check for a putative contribution to the TAM-induced hemolysis and to study basic mechanisms involved in the interaction of OHTAM with cell membranes. Incuba...