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UAB Digital Repository of Documents 4 records found  Search took 0.00 seconds. 
1.
29 p, 1.5 MB Deconvolution of Phonon Scattering by Ferroelectric Domain Walls and Point Defects in a PbTiO3Thin Film Deposited in a Composition-Spread Geometry / Bugallo, David (Universidade de Santiago de Compostela. Departamento de Química Física) ; Langenberg, Eric (Universitat de Barcelona. Institut de Nanociència i Nanotecnologia) ; Ferreiro-Vila, Elias (Centro Singular de Investigacion en Quimica Bioloxica e Materiais Moleculares (CiQUS)) ; Smith, Eva H. (Cornell University. Department of Materials Science and Engineering) ; Stefani, Christina (Institut Català de Nanociència i Nanotecnologia) ; Batlle, Xavier (Universitat de Barcelona. Departament de Física de la Matèria Condensada) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ; Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ; Schlom, Darrell G. (Kavli Institute at Cornell for Nanoscale Science) ; Rivadulla, Francisco (Universidade de Santiago de Compostela. Departamento de Química Física)
We present a detailed analysis of the temperature dependence of the thermal conductivity of a ferroelectric PbTiO3 thin film deposited in a composition-spread geometry enabling a continuous range of compositions from ∼25% titanium deficient to ∼20% titanium rich to be studied. [...]
2021 - 10.1021/acsami.1c08758
ACS applied materials & interfaces, Vol. 13, Num. 38 (September 2021) , p. 45679-45685  
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2.
19 p, 1.6 MB Large thermoelectric power variations in epitaxial thin films of layered perovskite GdBaCo2O5.5±δwith a different preferred orientation and strain / Chatterjee, Arindom (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ; Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ; Padilla-Pantoja, Jessica (Institut Català de Nanociència i Nanotecnologia) ; Leborán, Víctor (Universidade de Santiago de Compostela. Departamento de Química Física) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Rivadulla, Francisco (Universidade de Santiago de Compostela. Departamento de Química Física) ; Santiso, José (Institut Català de Nanociència i Nanotecnologia)
This work describes the growth of thin epitaxial films of the layered perovskite material GdBaCoO(GBCO) on different single crystal substrates SrTiO(STO), (LaAlO)(SrTaAlO)(LSAT) and LaAlO(LAO) as an approach to study changes in the thermoelectric properties by means of the induced epitaxial strain. [...]
2020 - 10.1039/d0ta04781c
Journal of materials chemistry, Vol. 8, issue 38 (Oct. 2020) , p. 19975-19983  
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3.
19 p, 1.1 MB Ferroelectric Domain Walls in PbTiO3 Are Effective Regulators of Heat Flow at Room Temperature / Langenberg, Eric (Universidade de Santiago de Compostela. Departamento de Química Física) ; Saha, Dipanjan (Carnegie Mellon University. Mechanical Engineering Department) ; Holtz, Megan E. (Cornell University) ; Wang, Jian-Jun (Pennsylvania State University. Department of Materials Science and Engineering) ; Bugallo, David (Universidade de Santiago de Compostela. Departamento de Química Física) ; Ferreiro Vila, Elias (Universidade de Santiago de Compostela. Departamento de Química Física) ; Paik, Hanjong (Cornell University. Department of Materials Science and Engineering) ; Hanke, Isabelle (Leibniz-Institut für Kristallzüchtung) ; Ganschow, Steffen (Leibniz-Institut für Kristallzüchtung) ; Muller, David A. (Cornell University) ; Chen, Long-Qing (Pennsylvania State University. Department of Materials Science and Engineering) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ; Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ; Malen, Jonathan (Carnegie Mellon University. Mechanical Engineering Department) ; Schlom, Darrell G. (Kavli Institute at Cornell for Nanoscale Science) ; Rivadulla, Francisco (Universidade de Santiago de Compostela. Departamento de Química Física)
Achieving efficient spatial modulation of phonon transmission is an essential step on the path to phononic circuits using "phonon currents". With their intrinsic and reconfigurable interfaces, domain walls (DWs), ferroelectrics are alluring candidates to be harnessed as dynamic heat modulators. [...]
2019 - 10.1021/acs.nanolett.9b02991
Nano letters, Vol. 19, Issue 11 (November 2019) , p. 7901-7907  
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4.
7 p, 2.0 MB Thermodynamic conditions during growth determine the magnetic anisotropy in epitaxial thin-films of La₀.₇ Sr₀.₃MnO₃ / Vila-Fungueiriño, J. M. (Universidade de Santiago de Compostela. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares) ; Bui, Cong Tinh (Universidade de Santiago de Compostela. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares) ; Rivas Murias, B. (Universidade de Santiago de Compostela. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares) ; Winkler, Elin (Centro Atómico Bariloche) ; Milano, J. (Centro Atómico Bariloche) ; Santiso, José (Institut Català de Nanociència i Nanotecnologia) ; Rivadulla, Francisco (Universidade de Santiago de Compostela. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares)
The suitability of a particular material for use in magnetic devices is determined by the process of magnetization reversal/relaxation, which in turn depends on the magnetic anisotropy. Therefore, designing new ways to control magnetic anisotropy in technologically important materials is highly desirable. [...]
2016 - 10.1088/0022-3727/49/31/315001
Journal of Physics D: Applied Physics, Vol. 49, Issue 31 (August 2016) , art. 315001  
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