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1.
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11 p, 3.6 MB |
The magnetopyroelectric effect : heat-mediated magnetoelectricity in magnetic nanoparticle-ferroelectric polymer composites
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Llacer-Wintle, Joaquin (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Renz, Jan (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Hertle, Lukas (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Veciana, Andrea (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
von Arx, Denis (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Wu, Jiang (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Bruna, Pere (Universitat Politècnica de Catalunya. Departament de Física) ;
Vukomanovic, Marija (Jožef Stefan Institute. Advanced Materials Department) ;
Puigmarti-Luis, Josep (Institut de Química Teòrica i Computacional. Departament de Ciència dels Materials i Química Física) ;
Nelson, Bradley J. (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Chen, Xiang-Zhong (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Pané i Vidal, Salvador (ETH Zürich. Institute of Robotics and Intelligent Systems)
Magnetoelectricity enables a solid-state material to generate electricity under magnetic fields. Most magnetoelectric composites are developed through a strain-mediated route by coupling piezoelectric and magnetostrictive phases. [...]
2023 -  10.1039/d2mh01361d
Materials Horizons, Vol. 10, Issue 7 (April 2023) , p. 2627-2637
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2.
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13 p, 643.2 KB |
Piezoelectricity in nominally centrosymmetric phases
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Aktas, Oktay (Xi'an Jiaotong University. State Key Laboratory for Mechanical Behavior of Materials, Materials Science and Engineering) ;
Kangama, Moussa (Xi'an Jiaotong University. State Key Laboratory for Mechanical Behavior of Materials, Materials Science and Engineering) ;
Linyu, Gan (Xi'an Jiaotong University. State Key Laboratory for Mechanical Behavior of Materials, Materials Science and Engineering) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ;
Ding, Xiangdong (Xi'an Jiaotong University. State Key Laboratory for Mechanical Behavior of Materials, Materials Science and Engineering) ;
Zunger, Alex (University of Colorado. Energy Institute) ;
Salje, Ekhard K. H. (University of Cambridge. Department of Earth Sciences)
Compound phases often display properties that are symmetry forbidden relative to their nominal, average crystallographic symmetry, even if extrinsic reasons (defects, strain, or imperfections) are not apparent. [...]
2021 - 10.1103/PhysRevResearch.3.043221
Physical Review Research, Vol. 3, issue 4 (Dec. 2021) , art. 43221
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3.
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12 p, 5.0 MB |
Enhancing AIN PMUTs' acoustic responsivity within a MEMS-on-CMOS process
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Ledesma, Eyglis (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Zamora, Iván (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Uranga del Monte, Aránzazu (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Torres, Francesc 1948- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Barniol i Beumala, Núria (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this paper, guidelines for the optimization of piezoelectrical micromachined ultrasound transducers (PMUTs) monolithically integrated over a CMOS technology are developed. Higher acoustic pressure is produced by PMUTs with a thin layer of AlN piezoelectrical material and SiN as a passive layer, as is studied here with finite element modeling (FEM) simulations and experimental characterization. [...]
2021 - 10.3390/s21248447
Sensors (Basel, Switzerland), Vol. 21, Issue 24 (December 2021) , art. 8447
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4.
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15 p, 5.7 MB |
Biocompatibility and Electrical Stimulation of Skeletal and Smooth Muscle Cells Cultured on Piezoelectric Nanogenerators
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Blanquer Jerez, Andreu (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Careta, Oriol (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Anido-Varela, Laura (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Aranda, Aida (Institut de Microelectrònica de Barcelona) ;
Ibáñez, Elena (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Esteve, Jaume (Institut de Microelectrònica de Barcelona) ;
Nogués, C. (Carme) (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Murillo, Gonzalo (Institut de Microelectrònica de Barcelona)
Nanogenerators are interesting for biomedical applications, with a great potential for electrical stimulation of excitable cells. Piezoelectric ZnO nanosheets present unique properties for tissue engineering. [...]
2021 - 10.3390/ijms23010432
International journal of molecular sciences, Vol. 23, Num. 1 (December 2021) , art. 432
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5.
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6.
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12 p, 510.0 KB |
A flexoelectric microelectromechanical system on silicon
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Bhaskar, Umesh K. (Institut Català de Nanociència i Nanotecnologia) ;
Banerjee, Nirupam (University of Twente. Faculty of Science and Technology) ;
Abdollahi, Amir (Institut Català de Nanociència i Nanotecnologia) ;
Wang, Zhe (Cornell University. Department of Materials Science and Engineering) ;
Schlom, Darrell G. (Cornell University. Department of Materials Science and Engineering) ;
Rijnders, Guus (University of Twente. Faculty of Science and Technology) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
Flexoelectricity allows a dielectric material to polarize in response to a mechanical bending moment and, conversely, to bend in response to an electric field. Compared with piezoelectricity, flexoelectricity is a weak effect of little practical significance in bulk materials. [...]
2016 - 10.1038/nnano.2015.260
Nature Nanotechnology, Vol. 11, issue 3 (March 2016) , p. 263-266
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7.
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16 p, 3.8 MB |
ZnO Nanosheet-Coated TiZrPdSiNb Alloy as a Piezoelectric Hybrid Material for Self-Stimulating Orthopedic Implants
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Careta, Oriol (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Esteve, Jaume (Institut de Microelectrònica de Barcelona) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Murillo, Gonzalo (Institut de Microelectrònica de Barcelona) ;
Nogués, C. (Carme) (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Fornell Beringues, Jordina (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Ibáñez, Elena (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ;
Blanquer Jerez, Andreu (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia)
A Ti-based alloy (Ti45Zr15Pd30Si5Nb5) with already proven excellent mechanical and biocompatibility features has been coated with piezoelectric zinc oxide (ZnO) to induce the electrical self-stimulation of cells. [...]
2021 - 10.3390/biomedicines9040352
Biomedicines, Vol. 9 Núm. 4 (2021) , p. 352
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8.
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24 p, 1.2 MB |
Non-linear nanoscale piezoresponse of single ZnO nanowires affected by piezotronic effect
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Lozano, Helena (Institut de Microelectrònica de Barcelona) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ;
Esteve, Jaume (Institut de Microelectrònica de Barcelona) ;
Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ;
Murillo, Gonzalo (Institut de Microelectrònica de Barcelona)
Zinc oxide (ZnO) nanowires (NWs) as semiconductor piezoelectric nanostructures have emerged as material of interest for applications in energy harvesting, photonics, sensing, biomedical science, actuators or spintronics. [...]
2021 - 10.1088/1361-6528/abb972
Nanotechnology, Vol. 32, issue 2 (Jan. 2021) , art. 025202
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9.
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12 p, 2.8 MB |
Control of lateral composition distribution in graded films of soluble solid systems A1-xBx by partitioned dual-beam pulsed laser deposition
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Sakai, Joe (Institut Català de Nanociència i Nanotecnologia) ;
Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ;
Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ;
Padilla-Pantoja, Jessica (Institut Català de Nanociència i Nanotecnologia) ;
Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ;
Santiso, José (Institut Català de Nanociència i Nanotecnologia)
Lateral compositionally-graded thin films are powerful media for the observation of phase boundaries aswell as for high-throughputmaterials exploration. We herein propose amethod to prepare epitaxial lateral compositionally-graded films using a dual-beampulsed laser deposition (PLD)method with two targets separated by a partition. [...]
2020 - 10.3390/COATINGS10060540
Coatings, Vol. 10, issue 6 (June 2020) , art. 540
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10.
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14 p, 542.4 KB |
Reversible and magnetically unassisted voltage-driven switching of magnetization in FeRh/PMN-PT
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Fina, Ignasi (Institut de Ciència de Materials de Barcelona) ;
Quintana Puebla, Alberto (Universitat Autònoma de Barcelona. Departament de Física) ;
Martí, Xavier (Academy of Sciences of the Czech Republic. Institute of Physics) ;
Sánchez Barrera, Florencio (Institut de Ciència de Materials de Barcelona) ;
Foerster, Michael (ALBA Laboratori de Llum de Sincrotró) ;
Aballe, Lucía (ALBA Laboratori de Llum de Sincrotró) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Fontcuberta, Josep (Institut de Ciència de Materials de Barcelona)
Reversible control of magnetization by electric fields without assistance from a subsidiary magnetic field or electric current could help reduce the power consumption in spintronic devices. When increasing temperature above room temperature, FeRh displays an uncommon antiferromagnetic to ferromagnetic phase transition linked to a unit cell volume expansion. [...]
2018 - 10.1063/1.5040184
Applied physics letters, Vol. 113, Issue 15 (October 2018) , art. 152901
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