Depósito Digital de Documentos de la UAB Encontrados 23 registros  inicioanterior14 - 23  ir al registro: La búsqueda tardó 0.02 segundos. 
14.
8 p, 2.1 MB Long-lived excitons in GaN/AlN nanowire heterostructures / Beeler, Mark (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Lim, Caroline B. (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Hille, Pascal (Justus Liebig-Universität Gießen. Physikalisches Institut) ; Bleuse, Joel (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Schörmann, Jörg (I. Physikalisches Institut, Justus-Liebig-Universität Gießen) ; De La Mata, Maria (Institut de Ciència de Materials de Barcelona) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Eickhoff, Martin (I. Physikalisches Institut, Justus-Liebig-Universität Gießen) ; Monroy, Eva (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França))
GaN/AlN nanowire heterostructures can display photoluminescence (PL) decay times on the order of microseconds that persist up to room temperature. Doping the GaN nanodisk insertions with Ge can reduce these PL decay times by two orders of magnitude. [...]
2015 - 10.1103/PhysRevB.91.205440
Physical review B : Condensed matter and materials physics, Vol. 91, issue 20 (May 2015) , art. 205440  
15.
9 p, 1.7 MB Spin density wave and superconducting properties of nanoparticle organic conductor assemblies / Winter, Laurel E. (Florida State University. Department of Physics) ; Steven, Eden (Florida State University. Department of Physics) ; Brooks, James S. (Florida State University. Department of Physics) ; Benjamin, Shermane (Florida State University. Department of Physics) ; Park, Ju-Hyun. (Florida State University. National High Magnetic Field Laboratory) ; De Caro, Dominique (Centre national de la recherche scientifique (França). Laboratoire de Chimie de Coordination) ; Faulmann, Christophe (Centre national de la recherche scientifique (França). Laboratoire de Chimie de Coordination) ; Valade, Lydie (Centre national de la recherche scientifique (França). Laboratoire de Chimie de Coordination) ; Jacob, Kane (Centre national de la recherche scientifique (França). Laboratoire de Chimie de Coordination) ; Chtioui, Imane (Centre national de la recherche scientifique (França). Laboratoire de Chimie de Coordination) ; Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ; Fraxedas, Jordi (Institut Català de Nanociència i Nanotecnologia)
The magnetic susceptibilities of nanoparticle assemblies of two Bechgaard salts (TMTSF)2PF6 and (TMTSF)2ClO4, have been studied vs temperature and magnetic field. In the bulk these materials exhibit a spin density wave formation (TSDW=12K) and superconductivity (Tc=1. [...]
2015 - 10.1103/PhysRevB.91.035437
Physical review B : Condensed matter and materials physics, Vol. 91, issue 3 (Jan. 2015) , art. 35437  
16.
14 p, 2.3 MB Velocity renormalization and Dirac cone multiplication ind graphene superlattices with various barrier-edge geometries / De Jamblinne de Meux, Albert (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences) ; Leconte, Nicolas (Institut Català de Nanociència i Nanotecnologia) ; Charlier, Jean Christophe (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences) ; Lherbier, Aurélien (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences)
The electronic properties of one-dimensional graphene superlattices strongly depend on the atomic size and orientation of the 1D external periodic potential. Using a tight-binding approach, we show that the armchair and zigzag directions in these superlattices have a different impact on the renormalization of the anisotropic velocity of the charge carriers. [...]
2015 - 10.1103/PhysRevB.91.235139
Physical review B : Condensed matter and materials physics, Vol. 91, issue 23 (2015) , art. 235139  
17.
11 p, 2.2 MB Negative permeability in magnetostatics and its experimental demonstration / Mach-Batlle, Rosa (Universitat Autònoma de Barcelona. Departament de Física) ; Parra, Albert (Universitat Autònoma de Barcelona. Departament de Física) ; Prat Camps, Jordi (Austrian Academy of Sciences. Institute for Quantum Optics and Quantum Information) ; Laut, Sergi (Universitat Autònoma de Barcelona. Departament de Física) ; Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ; Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física)
The control of magnetic fields, essential for our science and technology, is currently achieved by magnetic materials with positive permeability, including ferromagnetic, paramagnetic, and diamagnetic types. [...]
2017 - 10.1103/PhysRevB.96.094422
Physical review B : condensed matter and materials physics, Vol. 96, Issue 9 (Set. 2017) , art. 094422  
18.
8 p, 783.4 KB Phonon and magnon scattering of antiferromagnetic Bi2Fe4O9 / Iliev, M. N. (University of Houston. Texas Center for Superconductivity) ; Litvinchuk, A. P. (University of Houston. Texas Center for Superconductivity) ; Hadjiev, V. G. (University of Houston. Texas Center for Superconductivity) ; Gospodinov, M. (Institut po fizika na tvŭrdoto ti︠a︡lo (Bŭlgarska akademii︠a︡ na naukite)) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; Ressouche, Eric (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França))
The phonon structure of antiferromagnetic Bi2Fe4O9 (space group Pbnm No. 55, TN≈240  K) was studied theoretically by calculations of lattice dynamics and experimentally between 10 and 300 K by polarized Raman spectroscopy. [...]
2010 - 10.1103/PhysRevB.81.024302
Physical review B : condensed matter and materials physics, Vol. 81, N. 2 (Jan. 2010) , p. 24302  
19.
5 p, 402.4 KB Magnetoelastic coupling in La2/3Sr1/3MnO3 thin films on SrTiO3 / Pesquera, David (Institut de Ciència de Materials de Barcelona) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; Sánchez Barrera, Florencio (Institut de Ciència de Materials de Barcelona) ; Herranz Casabona, Gervasi (Institut de Ciència de Materials de Barcelona) ; Fontcuberta, Josep (Institut de Ciència de Materials de Barcelona)
Clamping of epitaxial La2/3Sr1/3MnO3 (LSMO) magnetic thin films on SrTiO3 (STO) substrates is shown to promote a clear modification of their magnetic properties at the STO cubic-tetragonal transition. [...]
2011 - 10.1103/PhysRevB.84.184412
Physical review B : condensed matter and materials physics, Vol. 84, Núm. 18 (Nov. 2011) , p. 184412/1-184412/5  
20.
9 p, 2.3 MB Probing vertically graded anisotropy in FePtCu films / Dumas, Randy K. (University of Gothenburg. Department of Physic) ; Fang, Yeyu (Kungl. Tekniska högskolann. Materialfysik) ; Kirby, Brian (Brian J.) (NIST Center for Neutron Research) ; Zha, Chaolin (Kungl. Tekniska högskolann. Materialfysik) ; Bonanni, Valentina (Kungl. Tekniska högskolann. Materialfysik) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Aakerman, Johan (Kungl. Tekniska högskolann. Materialfysik)
Field-dependent polarized neutron reflectivity (PNR) and magnetometry are employed to study the magnetic properties of compositionally uniform and graded FePtCu films as a function of annealing temperature (TA). [...]
2011 - 10.1103/PhysRevB.84.054434
Physical review B : condensed matter and materials physics, Vol. 84, N. 5 (Aug. 2011) , p. 054434/1-054434/9  
21.
10 p, 1.2 MB Neutron diffraction, magnetic, and magnetoelectric studies of phase transitions in multiferroic Mn0.90Co0.10WO4 / Urcelay Olabarria, Irene (Institut Laue-Langevin) ; Ressouche, Eric (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Mukhin, A. A. (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Ivanov, Vsevolod (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Balbashov, A. M. (Moscow Power Engineering Institute) ; Vorobev, G. P. (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova) ; Popov, Yu F. (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova) ; Kadomtseva, A. M. (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova) ; García-Muñoz, José Luis (Institut de Ciència de Materials de Barcelona) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física)
We have studied various spontaneous and magnetic-field-induced phase transitions in single crystals of multiferroic Mn0. 9Co0. 1WO4 using magnetic and magnetoelectric measurements and neutron diffraction. [...]
2012 - 10.1103/PhysRevB.85.094436
Physical review B : condensed matter and materials physics, Vol. 85, Núm. 9 (March 2012) , p. 094436/1-094436/10  
22.
6 p, 880.4 KB Conical antiferromagnetic order in the ferroelectric phase of Mn0.8Co0.2WO4 resulting from the competition between collinear and cycloidal structures / Urcelay Olabarria, Irene (Institut Laue-Langevin) ; Ressouche, Eric (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Mukhin, A. A. (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Ivanov, Vsevolod (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Balbashov, A. M. (Moscow Power Engineering Institute) ; García-Muñoz, José Luis (Institut de Ciència de Materials de Barcelona) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física)
Evolution of competing commensurate collinear (AF4) and incommensurate cycloidal (AF2) magnetic structures in Mn0. 8Co0. 2WO4 multiferroic was studied by neutron diffraction, magnetic, and pyroelectric characterization measurements. [...]
2012 - 10.1103/PhysRevB.85.224419
Physical review B : condensed matter and materials physics, Vol. 85, Núm. 22 (June 2012) , p. 224419/1-224419/6  
23.
16 p, 761.3 KB Many-particle Hamiltonian for open systems with full Coulomb interaction: Application to classical and quantum time-dependent simulations of nanoscale electron devices / Albareda, Guillermo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Oriols, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
A many-particle Hamiltonian for a set of particles with Coulomb interaction inside an open system is described without any perturbative or mean-field approximation. The boundary conditions of the Hamiltonian on the borders of the open system [in the real three-dimensional (3D) space representation] are discussed in detail to include the Coulomb interaction between particles inside and outside of the open system. [...]
2009 - 10.1103/PhysRevB.79.075315
Physical review B : condensed matter and materials physics, Vol. 79, Núm. 7 (February 2009) , art. 075315  

Depósito Digital de Documentos de la UAB : Encontrados 23 registros   inicioanterior14 - 23  ir al registro:
¿Le interesa recibir alertas sobre nuevos resultados de esta búsqueda?
Defina una alerta personal vía correo electrónico o subscríbase al canal RSS.