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SCIENTIFIC ARTICLES

The role of oxide interfaces in highly confined electronic and ionic conductors

Dennis V. Christensen, Yunzhong Chen, Vincenzo Esposito, Nini Pryds

Department of Energy Conversion and Storage, Technical University of Denmark, Risø Campus, DK-4000 Roskilde, Denmark

 

3D modeling of acoustofluidics in a liquid-filled cavity including streaming, viscous boundary layers, surrounding solids, and a piezoelectric transducer.

Nils R. Skov, Jacob S. Bach, Bjørn G. Winckelmann and Henrik Bruus
Department of Physics, Technical University of Denmark, DTU Physics Building 309, DK-2800 Kongens Lyngby, Denmark

 

Enhanced electro-mechanical coupling of TiN/Ce0.8Gd0.2O1.9 thin film electrostrictor.

Simone Santucci, Haiwu Zhang, Simone Sanna, Nini Pryds and Vincenzo Esposito
Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399 Roskilde, Denmark

 

Effect of oxygen defects blocking barriers on gadolinium doped ceria
(GDC) electro-chemo-mechanical properties.
Ahsanul Kabir a, c, * , Simone Santucci a , Ngo Van Nong a , Maxim Varenik b , Igor Lubomirsky b , Robin Nigon c , Paul Muralt c , Vincenzo Esposito a, **
(a) Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, Roskilde, 4000, Denmark;
(b) Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot, 76100, Israel;
(c) Ceramics Laboratory, Department of Materials, Swiss Federal Institute of Technology, Lausanne, 1015, Switzerland.

 

Diferential impedance spectra analysis reveals optimal actuation frequency in bulk mode acoustophoresis.
Valentina Vitali, Giulia Core, Fabio Garofalo, Thomas Laurell, Andreas Lenshof
Department of Biomedical Engineering, Lund University, Lund, Sweden.

 

The role of oxygen defects on the electro-chemo-mechanical properties of highly defective gadolinium doped ceria.
Ahsanul Kabir (a,b) – Jin Kyu Han (a) Benoit Merle (b) Vincenzo Esposito (a)
(a) Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, Roskilde 4000, Denmark
(b) Materials Science & Engineering I, University Erlangen-Nürnberg (FAU), Cauerstr. 3, 91058 Erlangen, Germany.

 

Fracture strength and fatigue endurance in Gd-doped ceria thermal actuators.
Mishuk E. (a), Ushakov A. (b), Shklovsky J. (c), Krylov S. (d), Shacham-Diamand Y. (c), Shur V. Y. (b), Kholkin A. (e) & Lubomirsky I. (a)

(a) Department of Materials and Interfaces, Weizmann Institute of Science, Herzl St 234, Rehovot 7610001, Israel
(b) School of Natural Sciences and Mathematics, Ural Federal University, Lenin Ave. 51, Ekaterinburg 620000, Russia.
(c) Department of Physical Electronics, School of Electrical Engineering, Tel Aviv University, 69978, Israel.
(d) School of Mechanical Engineering, Tel Aviv University, 69978, Israel.
(e) CICECO-Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal.

 

Resonant Raman Scattering in Undoped and Lanthanide-Doped CeO2.

Kraynis O. (a), Lubomirsky I. (a) & Livneh T. (b) (2019) Journal of Physical Chemistry C. 123, 39, p. 24111-24117

(a) Department of Materials and Interfaces, Weizmann Institute of Science, Herzl St 234, Rehovot 7610001, Israel.
(b) Department of Physics, Nuclear Research Center Negev, P.O. Box 9001, Beer Sheva 84190, Israel.

 

Femtosecond laser processing of ceria-based micro actuators.

Eran Mishuk (a), Jenny Shklovsky (b), Yuval Berg (c), Niv Vengerovsky (c), Tanmoy Paul (d), Zvi Kotler (e), Yoed Tsur (d), Yosi Shacham-Diamand (c), Slava Krylov (b), Igor Lubomirsky (a).
(a) Department of Materials and Interfaces, Weizmann Institute of Science, Hertzl st. 234, Rehovot 7610001, Israel.
(b) Faculty of Engineering, School of Mechanical Engineering, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel.
(c) Faculty of Engineering, Department of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel.
(d) Department of Chemical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel.
(e) Additive Manufacturing Group, Orbotech Ltd, Yavne 81101, Israel.


Effect of oxygen defects blocking barriers on gadolinium doped ceria (GDC) electro-chemo-mechanical properties.
Ahsanul Kabir (a), Simone Santucci (a), Ngo Van Nong (a), Maxim Varenik (b), Igor Lubomirsky (b), Robin Nigon (c), Paul Muralt (c), Vincenzo Esposito (a).
(a) Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, Roskilde, 4000, Denmark.
(b) Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot, 76100, Israel.
(c) Ceramics Laboratory, Department of Materials, Swiss Federal Institute of Technology, Lausanne, 1015, Switzerland

 

Enhanced Electromechanical Response in Sm and Nd Co-doped Ceria.

Ahsanul Kabir (a), Jacob R. Bowen (a), Maxim Varenik (b), Igor Lubomirsky (b), Vincenzo Esposito (a), ∗

(a) Department of Energy Conversion and Storage, Technical University of Denmark (DTU), Kgs. Lyngby 2800, Denmark.
(b) Department of Materials and Interfaces, Weizmann Institute of Science (WIS), Rehovot 761001, Israel.

 

Impact of negative bias on the piezoelectric properties through the incidence of abnormal oriented grains in Al0.62Sc0.38N thin films.
C.S. Sandu (a,b,c), F. Parsapour (a), D.Xiao (a), R. Nigon (a), L.M. Riemer (d), T. LaGrange (c), P. Muralt (a).

(a) Electroceramic Thin Films Group, École Polytechnique Fédérale de Lausanne EPFL, Lausanne CH-1015, Switzerland.
(b) Department of Physics, University of Craiova, Craiova 200585, Romania.
(c) Interdisciplinary Centre for Electron Microscopy (CIME), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland.
(d) Group of ferroelectrics and functional oxides, École Polytechnique Fédérale de Lausanne EPFL, Lausanne CH-1015, Switzerland.

 

Atomic-scale insights into electro-steric substitutional chemistry of cerium oxide.
Zhang, H., Castelli, I. E., Santucci, S., Sanna, S., Pryds, N., & Esposito, V. (2020). Physical Chemistry Chemical Physics, 22(38), 21900-21908

 

Charge-transfer engineering strategies for tailored ionic conductivity at oxide interfaces.
Gunkel, F., Christensen, D. V., & Pryds, N. (2020). Journal of Materials Chemistry C, 33(8), 11354-11359.

 

Electro-chemo-mechanical effect in Gd-doped ceria thin films with controlled orientation.
Santucci, S., Zhang, H., Sanna, S., Pryds, N., & Esposito, V. (2020). Journal of Materials Chemistry A, 8(28), 14023-14030

 

The emergence of magnetic ordering at complex oxide interfaces tuned by defects.
D.S. Park, A.D. Rata, I.V. Maznichenko, S.Ostanin, Y.L. Gan, S.Agrestini, G.J. Rees, M. Walker, J.Li, J.Herrero-Martin, G. Singh, Z.Luo, A.Bhatnagar, Y.Z.Chen, V.Tileli, P.Muralt, A.Kalaboukhov, I.Mertig, K. Dörr, A.Ernst, & N.Pryds.

 

Oxygen vacancies: The (in)visible friend of oxide electronics.
Gunkel, F., Christensen, D. V., Chen, Y., & Pryds, N. (2020). Applied Physics Letters, 116(12), [120505].

 

Electromechanically active pairs dynamics in Gd-doped ceria single crystal.
Simone Santucci (a), Haiwu Zhang (a) , Ahsanul Kabir (a), Carlo Marini (b), Simone Sanna (a) , Jyn Kyu Han (a), Gregor Ulbrich (c), Eva Maria Heppke (c), Ivano E. Castelli (a), and Vincenzo Esposito (a).

(a) Department of Energy Conversion and Storage, Technical University of Denmark,
Fysikvej, Building 310, 2800 Kgs. Lyngby, Denmark.
(b) ALBA Synchrotron, Carrer de la llum 2-26Cerdanyola del Vallès, 08290 Barcelona, Spain.
(c) Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, 10623
Berlin, Germany

 

Fabrication, characterization, and simulation of glass devices with AlN-thin-film-transducers for excitation of ultrasound resonances
A.G. Steckel, H. Bruus, P. Muralt, and R. Matloub
Phys. Rev. Appl. 16, 014014 1-10 (2021).

 

Numerical study of bulk acoustofluidic devices driven by thin-film transducers and whole-system resonance modes
A. G. Steckel and H. Bruus
J. Acoust. Soc. Am. 150, 634-645 (2021)