Depósito Digital de Documentos de la UAB Encontrados 6 registros  La búsqueda tardó 0.02 segundos. 
1.
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. Service de Physique Statistique, Magnétisme et Supraconductivité)
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  
2.
5 p, 402.4 KB Magnetoelastic coupling in La2/3Sr1/3MnO3 thin films on SrTiO3 / Pesquera, D. (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 i Griñó, 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  
3.
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 i Sanmiquel, 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  
4.
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. Service de Physique Statistique, Magnétisme et Supraconductivité) ; Mukhin, A.A. (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Ivanov, V. Yu (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  
5.
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. Service de Physique Statistique, Magnétisme et Supraconductivité) ; Mukhin, A.A. (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Ivanov, V. Yu (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  
6.
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 Piquer, Guillem (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Oriols Pladevall, 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  

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