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Showing 1 to 12 of 31 entries
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Conductivity and Local Structure of LaNiO.

Advanced materials (Deerfield Beach, Fla.)

Fowlie J, Gibert M, Tieri G, Gloter A, Íñiguez J, Filippetti A, Catalano S, Gariglio S, Schober A, Guennou M, Kreisel J, Stéphan O, Triscone JM.
PMID: 28262988
Adv Mater. 2017 May;29(18). doi: 10.1002/adma.201605197. Epub 2017 Mar 06.

A marked conductivity enhancement is reported in 6-11 unit cell LaNiO

Full Tensorial characterization of PZN-12%PT single crystal by resonant ultrasound spectroscopy.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Delaunay T, Clezio EL, Guennou M, Dammak H, Thi MP, Feuillard G.
PMID: 18334353
IEEE Trans Ultrason Ferroelectr Freq Control. 2008 Feb;55(2):476-88. doi: 10.1109/TUFFC.2008.665.

An experimental setup based on the electrical excitation of a piezoelectric sample is proposed for resonant ultrasound spectroscopy measurements. The detection of the mechanical vibrations is performed by means of a laser interferometer. At the same time, the free...

Optical studies of ferroelectric and ferroelastic domain walls.

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

Nataf GF, Guennou M.
PMID: 32026848
J Phys Condens Matter. 2020 May 01;32(18):183001. doi: 10.1088/1361-648X/ab68f3.

Recent studies carried out with atomic force microscopy or high-resolution transmission electron microscopy reveal that ferroic domain walls can exhibit different physical properties than the bulk of the domains, such as enhanced conductivity in insulators, or polar properties in...

[National patient follow-up care logbook: Guidelines from the Francophone Society of Bone Marrow Transplantation and Cellular Therapy (SFGM-TC)].

Bulletin du cancer

Guenounou S, Aubrun C, Brancillon N, Bemben D, Chauvel C, Hounmenou N, Magro L, Porcheron S, Poullain M, De Bentzmann N, Gargallo G, Le Bars L, Mercier L, Yakoub-Agha I, Paul F.
PMID: 34756418
Bull Cancer. 2021 Oct 27; doi: 10.1016/j.bulcan.2021.07.004. Epub 2021 Oct 27.

In an attempt to harmonize clinical practices among francophone hematopoietic stem cell transplantation centers, the Francophone Society of Bone Marrow Transplantation and Cellular Therapy (SFGM-TC) held its eleventh annual workshop series in September 2020 in Lille. This event brought...

Management of antithrombotics in situations with a gap in evidence: A national French survey focusing on patients with coronary artery disease and atrial fibrillation.

International journal of cardiology

Lemesle G, Bauters C, Bonello L, Fauchier L, Cayla G, Marijon E, Guenoun M, Schurtz G, Ninni S, Richardson M, Albert F, Cohen S, Lamblin N, Danchin N.
PMID: 34864080
Int J Cardiol. 2022 Feb 01;348:15-21. doi: 10.1016/j.ijcard.2021.11.077. Epub 2021 Dec 03.

BACKGROUND: If several randomized studies allowed to better apprehend what should be the best antithrombotic strategy in patients with concomitant coronary artery disease (CAD) and atrial fibrillation (AF), there are still several clinical situations with a gap of evidence.METHODS:...

Defect formation in multiwalled carbon nanotubes under low-energy He and Ne ion irradiation.

Beilstein journal of nanotechnology

Eswara S, Audinot JN, El Adib B, Guennou M, Wirtz T, Philipp P.
PMID: 30116687
Beilstein J Nanotechnol. 2018 Jul 09;9:1951-1963. doi: 10.3762/bjnano.9.186. eCollection 2018.

The mechanical, structural, electronic and magnetic properties of carbon nanotubes can be modified by electron or ion irradiation. In this work we used 25 keV He

Spin-Orbital Excitation Continuum and Anomalous Electron-Phonon Interaction in the Mott Insulator LaTiO_{3}.

Physical review letters

Ulrich C, Khaliullin G, Guennou M, Roth H, Lorenz T, Keimer B.
PMID: 26550738
Phys Rev Lett. 2015 Oct 09;115(15):156403. doi: 10.1103/PhysRevLett.115.156403. Epub 2015 Oct 09.

Raman scattering experiments on stoichiometric, Mott-insulating LaTiO_{3} over a wide range of excitation energies reveal a broad electronic continuum which is featureless in the paramagnetic state, but develops a gap of ~800 cm^{-1} upon cooling below the Néel temperature...

Raman scattering in the Mott insulators LaTiO3 and YTiO3: evidence for orbital excitations.

Physical review letters

Ulrich C, Gössling A, Grüninger M, Guennou M, Roth H, Cwik M, Lorenz T, Khaliullin G, Keimer B.
PMID: 17155355
Phys Rev Lett. 2006 Oct 13;97(15):157401. doi: 10.1103/PhysRevLett.97.157401. Epub 2006 Oct 09.

Raman scattering is used to observe pronounced electronic excitations around 230 meV--well above the two-phonon range--in the Mott insulators LaTiO3 and YTiO3. Based on the temperature, polarization, and photon energy dependence, the modes are identified as orbital excitations. The...

High pressure ferroelastic phase transition in SrTiO₃.

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

Salje EK, Guennou M, Bouvier P, Carpenter MA, Kreisel J.
PMID: 21685556
J Phys Condens Matter. 2011 Jul 13;23(27):275901. doi: 10.1088/0953-8984/23/27/275901. Epub 2011 Jun 17.

High pressure measurements of the ferroelastic phase transition of SrTiO₃ (Guennou et al 2010 Phys. Rev. B 81 054115) showed a linear pressure dependence of the transition temperature between the cubic and tetragonal phase. Furthermore, the pressure induced transition...

In-depth time-dependent analysis of the benefit of Allo-HSCT for elderly patients with CR1 AML: a FILO study.

Blood advances

Devillier R, Forcade E, Garnier A, Guenounou S, Thepot S, Guillerm G, Ceballos P, Hicheri Y, Dumas PY, Peterlin P, Hunault-Berger MM, Bene MCC, Bouvier A, Chevallier P, Blaise D, Vey N, Pigneux A, Récher C, Huynh A.
PMID: 34525180
Blood Adv. 2021 Sep 15; doi: 10.1182/bloodadvances.2021004435. Epub 2021 Sep 15.

The benefit of allogeneic hematopoietic stem cell transplantation (Allo-HSCT) for acute myeloid leukemia (AML) patients over 60 years remains a matter of debate, notably when performed in first complete remission (CR1). In order to clarify this issue, the French...

Review Article: Gastrointestinal Bleeding Risk with Direct Oral Anticoagulants.

Cardiovascular drugs and therapy

Benamouzig R, Guenoun M, Deutsch D, Fauchier L.
PMID: 34143317
Cardiovasc Drugs Ther. 2021 Jun 18; doi: 10.1007/s10557-021-07211-0. Epub 2021 Jun 18.

PURPOSE: Although direct oral anticoagulants (DOACs) are associated with an overall favourable safety profile, the risk of gastrointestinal bleeding with DOACs compared with vitamin K antagonists (VKAs) remains controversial. Accordingly, we aimed to provide a focused overview of the...

Low energy electron imaging of domains and domain walls in magnesium-doped lithium niobate.

Scientific reports

Nataf GF, Grysan P, Guennou M, Kreisel J, Martinotti D, Rountree CL, Mathieu C, Barrett N.
PMID: 27608605
Sci Rep. 2016 Sep 09;6:33098. doi: 10.1038/srep33098.

The understanding of domain structures, specifically domain walls, currently attracts a significant attention in the field of (multi)-ferroic materials. In this article, we analyze contrast formation in full field electron microscopy applied to domains and domain walls in the...

Showing 1 to 12 of 31 entries