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Showing 13 to 24 of 154 entries
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Epitaxial Pb(Zr,Ti)O3 ultrathin films under open-circuit electrical boundary conditions.

Physical review letters

Sichuga D, Bellaiche L.
PMID: 21668175
Phys Rev Lett. 2011 May 13;106(19):196102. doi: 10.1103/PhysRevLett.106.196102. Epub 2011 May 12.

The temperature-versus-misfit-strain phase diagram of Pb(Zr,Ti)O3 ultrathin films under open-circuit electrical boundary conditions is simulated via the use of an effective Hamiltonian. Two novel phases, both exhibiting dipolar nanodomains and oxygen octahedral tilting, are discovered. The interplay between dipolar,...

Strain dependence of polarization and piezoelectric response in epitaxial BiFeO3 thin films.

Journal of physics. Condensed matter : an Institute of Physics journal

Daumont C, Ren W, Infante IC, Lisenkov S, Allibe J, Carrétéro C, Fusil S, Jacquet E, Bouvet T, Bouamrane F, Prosandeev S, Geneste G, Dkhil B, Bellaiche L, Barthélémy A, Bibes M.
PMID: 22467186
J Phys Condens Matter. 2012 Apr 25;24(16):162202. doi: 10.1088/0953-8984/24/16/162202. Epub 2012 Mar 30.

Epitaxial strain has recently emerged as a powerful means to engineer the properties of ferroelectric thin films, for instance to enhance the ferroelectric Curie temperature (T(C)) in BaTiO(3). However, in multiferroic BiFeO(3) thin films an unanticipated strain-driven decrease of...

BiFeO3 films under tensile epitaxial strain from first principles.

Physical review letters

Dupé B, Prosandeev S, Geneste G, Dkhil B, Bellaiche L.
PMID: 21770543
Phys Rev Lett. 2011 Jun 10;106(23):237601. doi: 10.1103/PhysRevLett.106.237601. Epub 2011 Jun 10.

Density-functional calculations are performed to predict structural and magnetic properties of (001) BiFeO(3) films under tensile epitaxial strain. These films remain monoclinic (Cc space group) for misfit strains between 0% and ≈8%, with the polarization, tilt axis and magnetization...

Crafting the magnonic and spintronic response of BiFeO3 films by epitaxial strain.

Nature materials

Sando D, Agbelele A, Rahmedov D, Liu J, Rovillain P, Toulouse C, Infante IC, Pyatakov AP, Fusil S, Jacquet E, Carrétéro C, Deranlot C, Lisenkov S, Wang D, Le Breton JM, Cazayous M, Sacuto A, Juraszek J, Zvezdin AK, Bellaiche L, Dkhil B, Barthélémy A, Bibes M.
PMID: 23624631
Nat Mater. 2013 Jul;12(7):641-6. doi: 10.1038/nmat3629. Epub 2013 Apr 28.

Multiferroics are compounds that show ferroelectricity and magnetism. BiFeO3, by far the most studied, has outstanding ferroelectric properties, a cycloidal magnetic order in the bulk, and many unexpected virtues such as conductive domain walls or a low bandgap of...

Local aspects of the As-stabilized 2 x 3 reconstructed (001) surface of strained Inx Ga1-xAs alloys: A first-principles study.

Physical review. B, Condensed matter

Bellaiche L, Garreau Y, Kunc K, Pinchaux R, Sauvage-Simkin M.
PMID: 9982189
Phys Rev B Condens Matter. 1996 Mar 15;53(11):7417-7420. doi: 10.1103/physrevb.53.7417.

No abstract available.

Designing lead-free antiferroelectrics for energy storage.

Nature communications

Xu B, Íñiguez J, Bellaiche L.
PMID: 28555655
Nat Commun. 2017 May 30;8:15682. doi: 10.1038/ncomms15682.

Dielectric capacitors, although presenting faster charging/discharging rates and better stability compared with supercapacitors or batteries, are limited in applications due to their low energy density. Antiferroelectric (AFE) compounds, however, show great promise due to their atypical polarization-versus-electric field curves....

Improper electric polarization in simple perovskite oxides with two magnetic sublattices.

Nature communications

Zhao HJ, Bellaiche L, Chen XM, Íñiguez J.
PMID: 28106057
Nat Commun. 2017 Jan 20;8:14025. doi: 10.1038/ncomms14025.

ABO

Designing Multifunctionality via Assembling Dissimilar Materials: Epitaxial AlN/ScN Superlattices.

Physical review letters

Jiang Z, Paillard C, Vanderbilt D, Xiang H, Bellaiche L.
PMID: 31524461
Phys Rev Lett. 2019 Aug 30;123(9):096801. doi: 10.1103/PhysRevLett.123.096801.

First-principles calculations are performed to investigate the effect of epitaxial strain on energetic, structural, electrical, electronic, and optical properties of 1×1 AlN/ScN superlattices. This system is predicted to adopt four different strain regions exhibiting different properties, including optimization of...

Giant piezoelectricity of Sm-doped Pb(Mg.

Science (New York, N.Y.)

Li F, Cabral MJ, Xu B, Cheng Z, Dickey EC, LeBeau JM, Wang J, Luo J, Taylor S, Hackenberger W, Bellaiche L, Xu Z, Chen LQ, Shrout TR, Zhang S.
PMID: 31000659
Science. 2019 Apr 19;364(6437):264-268. doi: 10.1126/science.aaw2781. Epub 2019 Apr 18.

High-performance piezoelectrics benefit transducers and sensors in a variety of electromechanical applications. The materials with the highest piezoelectric charge coefficients (

Intrinsic Origin of Enhancement of Ferroelectricity in SnTe Ultrathin Films.

Physical review letters

Liu K, Lu J, Picozzi S, Bellaiche L, Xiang H.
PMID: 30085752
Phys Rev Lett. 2018 Jul 13;121(2):027601. doi: 10.1103/PhysRevLett.121.027601.

Previous studies showed that, as ferroelectric films become thinner, their Curie temperature (T_{c}) and polarization below T_{c} both typically decrease. In contrast, a recent experiment [Chang et al., Science 353, 274 (2016)SCIEAS0036-807510.1126/science.aad8609] observed that atomic-thick SnTe films have a...

Feeding disorders in children with oesophageal atresia: a cross-sectional study.

Archives of disease in childhood

Pham A, Ecochard-Dugelay E, Bonnard A, Le Roux E, Gelas T, Rousseau V, Thomassin N, Cabon-Boudard I, Nicolas A, Guinot A, Rebeuh J, Le Mandat A, Djeddi DD, Fouquet V, Boucharny A, Irtan S, Lemale J, Comte A, Bridoux-Henno L, Dupont-Lucas C, Dimitrov G, Turquet A, Borderon C, Pelatan C, Chaillou Legault E, Jung C, Willot S, Montalva L, Mitanchez D, Gottrand F, Bellaiche M.
PMID: 33863700
Arch Dis Child. 2022 Jan;107(1):52-58. doi: 10.1136/archdischild-2020-320609. Epub 2021 Apr 16.

INTRODUCTION: With advances in surgical and neonatal care, the survival of patients with oesophageal atresia (OA) has improved over time. Whereas a number of OA-related conditions (delayed primary anastomosis, anastomotic stricture and oesophageal dysmotility) may have an impact on...

Feeding disorders in children with oesophageal atresia: a cross-sectional study.

Archives of disease in childhood

Pham A, Ecochard-Dugelay E, Bonnard A, Le Roux E, Gelas T, Rousseau V, Thomassin N, Cabon-Boudard I, Nicolas A, Guinot A, Rebeuh J, Le Mandat A, Djeddi DD, Fouquet V, Boucharny A, Irtan S, Lemale J, Comte A, Bridoux-Henno L, Dupont-Lucas C, Dimitrov G, Turquet A, Borderon C, Pelatan C, Chaillou Legault E, Jung C, Willot S, Montalva L, Mitanchez D, Gottrand F, Bellaiche M.
PMID: 33863700
Arch Dis Child. 2022 Jan;107(1):52-58. doi: 10.1136/archdischild-2020-320609. Epub 2021 Apr 16.

INTRODUCTION: With advances in surgical and neonatal care, the survival of patients with oesophageal atresia (OA) has improved over time. Whereas a number of OA-related conditions (delayed primary anastomosis, anastomotic stricture and oesophageal dysmotility) may have an impact on...

Showing 13 to 24 of 154 entries