Depósito Digital de Documentos de la UAB Encontrados 2 registros  La búsqueda tardó 0.00 segundos. 
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  
2.
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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