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UAB Digital Repository of Documents 53 records found  beginprevious41 - 50next  jump to record: Search took 0.01 seconds. 
41.
12 p, 309.1 KB Spin dynamics in bilayer graphene : Role of electron-hole puddles and Dyakonov-Perel mechanism / Dinh, Van Tuan (Institut Català de Nanociència i Nanotecnologia) ; Adam, Shaffique (National University of Singapore. Centre for Advanced 2D Materials) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
We report on spin transport features which are unique to high quality bilayer graphene, in the absence of magnetic contaminants and strong intervalley mixing. The time-dependent spin polarization of a propagating wave packet is computed using an efficient quantum transport method. [...]
2016 - 10.1103/PhysRevB.94.041405
Physical review B, Vol. 94, Issue 4 (July 2016) , p. 41405  
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42.
10 p, 1.6 MB Structural and magnetic properties of FeMnₓ chains (x=1-6) supported on Cu₂ N/Cu (100) / Choi, Deung-Jang (CIC Nano GUNE (Sant Sebastià, País Basc)) ; Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ; Gauyacq, Jean-Pierre (Université Paris-Saclay. Institut des Sciences Moléculaires d'Orsay) ; Ternes, Markus (Max Planck Institute for Solid State Research) ; Loth, Sebastian (Max Planck Institute for the Structure and Dynamics of Matter) ; Lorente, Nicolás. (Donostia International Physics Center)
Heterogeneous atomic magnetic chains are built by atom manipulation on a Cu₂N/Cu (100) substrate. Their magnetic properties are studied and rationalized by a combined scanning tunneling microscopy (STM) and density functional theory (DFT) work completed by model Hamiltonian studies. [...]
2016 - 10.1103/PhysRevB.94.085406
Physical review B, Vol. 94, Issue 8 (August 2016) , art. 85406  
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43.
5 p, 1.7 MB Optomechanical coupling in the Anderson-localization regime / García Fernández, Pedro David (Institut Català de Nanociència i Nanotecnologia) ; Bericat-Vadell, R. (Institut Català de Nanociència i Nanotecnologia) ; Arregui Bravo, Guillermo (Institut Català de Nanociència i Nanotecnologia) ; Navarro Urrios, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Colombano Sosa, Martin (Institut Català de Nanociència i Nanotecnologia) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Universitat Autònoma de Barcelona. Departament de Física
Optomechanical crystals, purposely designed and fabricated semiconductor nanostructures, are used to enhance the coupling between the electromagnetic field and the mechanical vibrations of matter at the nanoscale. [...]
2017 - 10.1103/PhysRevB.95.115129
Physical review B, Vol. 95, Núm. 11 (March 2017) , art. 115129
6 documents
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44.
12 p, 1.1 MB Large spin relaxation anisotropy and valley-Zeeman spin-orbit coupling in WSe2 /graphene/ h -BN heterostructures / Zihlmann, Simon (Universität Basel. Department of Physics) ; Cummings, Aron (Institut Català de Nanociència i Nanotecnologia) ; Garcia, José H. (Institut Català de Nanociència i Nanotecnologia) ; Kedves, Máté (Budapesti Müszaki és Gazdaságtudományi Egyetem.Department of Physics) ; Watanabe, Kenji (National Institute for Material Science (Tsukuba, Japan)) ; Taniguchi, Takashi (National Institute for Material Science (Tsukuba, Japan)) ; Schönenberger, Christian (Universität Basel. Department of Physics) ; Makk, Péter (Universität Basel. Department of Physics)
Large spin-orbital proximity effects have been predicted in graphene interfaced with a transition-metal dichalcogenide layer. Whereas clear evidence for an enhanced spin-orbit coupling has been found at large carrier densities, the type of spin-orbit coupling and its relaxation mechanism remained unknown. [...]
2018 - 10.1103/PhysRevB.97.075434
Physical review B, Vol. 97, issue 7 (Feb. 2018) , p. 75434  
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45.
14 p, 2.2 MB Electron trajectories and magnetotransport in nanopatterned graphene under commensurability conditions / Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Thomsen, Morten Rishøj (Aalborg Universitet. Department of Physics and Nanotechnology) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Pedersen, Thomas Garm (Aalborg Universitet. Department of Physics and Nanotechnology)
Commensurability oscillations in the magnetotransport of periodically patterned systems, emerging from the interplay of cyclotron orbit and pattern periodicity, are a benchmark of mesoscopic physics in electron gas systems. [...]
2017 - 10.1103/PhysRevB.96.075425
Physical review B, Vol. 96, issue 7 (Aug. 2017) , p. 75425  
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46.
10 p, 3.6 MB Nanostructured graphene for spintronics / Gregersen, Søren Schou (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene)
Zigzag edges of the honeycomb structure of graphene exhibit magnetic polarization, making them attractive as building blocks for spintronic devices. Here, we show that devices with zigzag-edged triangular antidots perform essential spintronic functionalities, such as spatial spin splitting or spin filtering of unpolarized incoming currents. [...]
2017 - 10.1103/PhysRevB.95.121406
Physical review B, Vol. 95, issue 12 (March 2017) , art. 121406  
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47.
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  
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48.
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  
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49.
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  
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50.
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  
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