Domain Wall Dynamics
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Diverging Relaxation Times of Domain Wall Motion Indicating Glassy Dynamics in Ferroelastics
Single crystals of PbZrO3 and LaAlO3 have been studied by Dynamic Mechanical Analysis measurements in the low frequency range f = 0.02-50 Hz. The complex Young's modulus exhibits a quite rich behavior and depends strongly on the direction of the applied dynamic force. The low frequency elastic response in the [110]c-direction is dominated by domain wall moti
Mat. Res.. Publicado em: 24/05/2018
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2. Metodologia para aplicar LES ao craqueamento catalítico fluido em um reator riser industrial / Large eddy simulation application methodology to a fluid catalytic cracking industry reactor
The main objective of this thesis is to propose a methodology in how to apply Large Eddy Simulation (LES) on a unit of catalytic cracking. In order to achieve this, it was proposed an alternative way of constructing the computational mesh, by using quasi-uniform meshes. The proposed meshes were implemented to minimize the computational effort and procedure f
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/09/2012
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3. Dinâmica de paredes de domínios em microfios amorfos recobertos por vidro
Amorphous glass-coated microwires are materials with soft magnetic properties suitable for various technological applications, mainly magnetic sensors. One of the outstanding properties of microwires with positive magnetostriction is the magnetic bi-stability, that means, the inversion of the magnetization is done by one magnetic domain wall displacement alo
Publicado em: 2010
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4. PROPRIEDADES ESTATÍSTICAS DO RUÍDO BARKHAUSEN EM MATERIAIS MAGNÉTICOS ARTIFICIALMENTE ESTRUTURADOS / BARKHAUSEN NOISE STATISTICAL PROPERTIES IN ARTIFICIALLY STRUCTURED MAGNETIC MATERIALS
O ruído Barkhausen (BN) corresponde aos pulsos de tensão detectados por uma bobina sensora enrolada em torno de um material ferromagnético, quando submetido a um campo magnético variável. O ruído é produzido por mudanças súbitas da magnetização, principalmente devido ao movimento irregular das paredes de domínio (DWs) em um meio magnético desord
Publicado em: 2009
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5. Mathematical modeling and numerical simulation of incompressible flows over complexes three-dimensional geometries using the immersed boundary method / Modelagem matemática e simulação numérica de escoamentos incompressíveis sobre geometrias complexas tridimensionais utilizando o método da fronteira imersa
The necessity of understand the physical mechanisms in flows over complexes geometries are something imperative on modern engineering. In this way, tools that allow the analysis and understanding of such flows are very important as well. In this work, a numerical tool that allows the transient analysis of flows over several types of complexes three-dimension
Publicado em: 2007
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6. Mathematical modeling and numerical simulation of incompressible flows over complexes three-dimensional geometries using the immersed boundary method / Modelagem matemÃtica e simulaÃÃo numÃrica de escoamentos incompressÃveis sobre geometrias complexas tridimensionais utilizando o mÃtodo da fronteira imersa
The necessity of understand the physical mechanisms in flows over complexes geometries are something imperative on modern engineering. In this way, tools that allow the analysis and understanding of such flows are very important as well. In this work, a numerical tool that allows the transient analysis of flows over several types of complexes three-dimension
Publicado em: 2007
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7. Estudo do Segmento Consenso Adjacente ao Domínio TM2 e parte do Domínio TM2 do Receptor P2X7: Dinâmica Molecular e Atividade de Canal Iônico. / Study of the segment adjacent consensus to domain TM2 and part of domain TM2 of receiver P2X7: molecular dynamics and activity of ionic canal.
The purinergic receptor P2X7 (P2X7R) is a membrane protein which forms channels in the presence of extracellular ATP. Once opened, the channels allow the transport of cations through the cellular membrane, being expressed preferentially in immune cells. Among all purinergic receptors, P2X7R has distinct characteristics from other P2X (P2XR) members. For exam
Publicado em: 2007
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8. Changes in Root Cap pH Are Required for the Gravity Response of the Arabidopsis Root
Although the columella cells of the root cap have been identified as the site of gravity perception, the cellular events that mediate gravity signaling remain poorly understood. To determine if cytoplasmic and/or wall pH mediates the initial stages of root gravitropism, we combined a novel cell wall pH sensor (a cellulose binding domain peptide–Oregon gree
American Society of Plant Physiologists.
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9. Fission Yeast Pob1p, Which Is Homologous to Budding Yeast Boi Proteins and Exhibits Subcellular Localization Close to Actin Patches, Is Essential for Cell Elongation and Separation
The fission yeast pob1 gene encodes a protein of 871 amino acids carrying an SH3 domain, a SAM domain, and a PH domain. Gene disruption and construction of a temperature-sensitive pob1 mutant indicated that pob1 is essential for cell growth. Loss of its function leads to quick cessation of cellular elongation. Pob1p is homologous to two functionally redundan
The American Society for Cell Biology.