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Articles, 2 records found
Articles 2 records found  
1.
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  
2.
8 p, 3.4 MB Periodicity-doubling cascades : direct observation in ferroelastic materials / Everhardt, Arnoud S. (Zernike Institute for Advanced Materials) ; Damerio, Silvia (Zernike Institute for Advanced Materials) ; Zorn, Jacob A. (Pennsylvania State University. Department of Materials Science and Engineering) ; Zhou, Silang (Zernike Institute for Advanced Materials) ; Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ; Salje, Ekhard K.  H. (University of Cambridge) ; Chen, Long-Qing (Pennsylvania State University. Department of Materials Science and Engineering) ; Noheda, Beatriz (Rijksuniversiteit Groningen. CogniGron Center)
Very sensitive responses to external forces are found near phase transitions. However, transition dynamics and preequilibrium phenomena are difficult to detect and control. We have observed that the equilibrium domain structure following a phase transition in ferroelectric and ferroelastic BaTiO3 is attained by halving of the domain periodicity multiple times. [...]
2019 - 10.1103/PhysRevLett.123.087603
Physical review letters, Vol. 123, issue 8 (August 2019) , art. 87603  

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