Search Results - "Boissieu, M. De"
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1
Localization of propagative phonons in a perfectly crystalline solid
Published in Physical review letters (11-07-2014)“…Perfectly crystalline solids are excellent heat conductors. Prominent counterexamples are intermetallic clathrates, guest-host systems with a high potential…”
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2
3D Imaging of a Dislocation Loop at the Onset of Plasticity in an Indented Nanocrystal
Published in Nano letters (08-11-2017)“…Structural quality and stability of nanocrystals are fundamental problems that bear important consequences for the performances of small-scale devices. Indeed,…”
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3
A deeper look into argyrodite phonons
Published in Nature materials (01-08-2023)“…By monitoring the lattice dynamics of single-crystal argyrodite Ag 8 SnSe 6 through the superionic transition, low thermal conductivity and ionic transport are…”
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4
Structure of the Al13Co4(100) surface: Combination of surface x-ray diffraction and ab initio calculations
Published in Physical review. B, Condensed matter and materials physics (10-10-2016)“…The structure of the quasicrystalline approximant Al13Co4(100) has been determined by surface x-ray diffraction (SXRD) and complementary…”
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5
Diffuse scattering and phason fluctuations in the Zn-Mg-Sc icosahedral quasicrystal and its Zn-Sc periodic approximant
Published in Physical review letters (02-09-2005)“…We report on the absolute scale measurement of the x-ray diffuse scattering in the ZnMgSc icosahedral quasicrystal and its periodic approximant. Whereas the…”
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6
Stability of quasicrystals: energy, entropy and phason modes
Published in Philosophical magazine (2003. Print) (21-02-2006)“…The energy and entropy contribution to the quasicrystal stability is an on-going matter of debate. In this respect, phason modes play a particular role since…”
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Journal Article Conference Proceeding -
7
Atomic structure of the i- R -Cd quasicrystals and consequences for magnetism
Published in Physical review. B, Condensed matter and materials physics (15-08-2016)“…We report on the six-dimensional (6-D) structural refinement of three members of the i-R-Cd quasicrystals (R = Gd, Dy, Tm) via synchrotron X-ray diffraction…”
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8
Dynamics of long-wavelength phason fluctuations in the i-Al-Pd-Mn quasicrystal
Published in Philosophical magazine (2003. Print) (21-02-2006)“…We report on the dynamics of phason modes in the i-Al-Pd-Mn icosahedral quasicrystal, measured between room temperature and 650°C, using the X-ray intensity…”
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9
From phonons to the thermal properties of complex thermoelectric crystals: The case of type-I clathrates
Published in Results in physics (01-06-2023)“…Exploiting the structural complexity of crystals at the scale of their unit cell is a well-established strategy in the search for efficient materials for…”
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Diffuse scattering and phason elasticity in the AlPdMn icosahedral phase
Published in Physical review letters (03-07-1995)Get full text
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11
Study of the response of the fivefold i-AlPdMn surface to different temperature treatments
Published in Surface science (01-01-2000)“…Chemical and structural surface evolution of an icosahedral AlPdMn sample was systematically studied after ultrahigh vacuum surface preparations based on ion…”
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12
Magnetic domain fluctuations observed by coherent X-ray scattering
Published in Journal of magnetism and magnetic materials (01-07-2001)“…Coherent X-ray-scattering measurements were performed in the type-I antiferromagnetic phase of UAs at the M IV uranium absorption edge. Speckle patterns from a…”
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13
Phason fluctuations in i-AlPdRe and i-CdYb phases
Published in Journal of alloys and compounds (14-08-2002)“…We present a high resolution X-ray diffraction study on two single grain phases: the i-AlPdRe phase which is supposed to be isostructural to the i-AlPdMn one…”
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14
Phason elastic constants of the icosahedral Al-Pd-Mn phase derived from diffuse scattering measurements
Published in Philosophical magazine letters (01-04-2001)“…The diffuse scattering in the diffraction pattern of the icosahedral Al-Pd-Mn quasicrystalline phase has been measured on an absolute scale by X-ray and…”
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15
Atomic structure of T1 precipitates in Al-Li-Cu alloys revisited with HAADF-STEM imaging and small-angle X-ray scattering
Published in Acta materialia (2011)“…The structure of T1 precipitates which formed under ageing in Al-Li-Cu alloys has been studied using high-angle annular dark field scanning transmission…”
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16
Impact of temperature and mode polarization on the acoustic phonon range in complex crystalline phases: A case study on intermetallic clathrates
Published in Physical review research (2021)“…The low and weakly temperature-varying lattice thermal conductivity, κL(T), in crystals with a complex unit cell such as type-I clathrates is assumed to…”
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17
Discussion on clusters, phasons and quasicrystal stabilisation
Published in Philosophical magazine (2003. Print) (21-02-2006)“…This paper summarises a two-hour discussion at the Ninth International Conference on Quasicrystals, including nearly 20 written comments sent afterwards,…”
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18
Hydrogen Electro-Insertion into Pd/Pt(111) Nanofilms: An in Situ Surface X-ray Diffraction Study
Published in Journal of physical chemistry. C (23-06-2011)“…Metallic hydrides represent a very interesting solution for hydrogen storage thanks to their capability to absorb hydrogen in a reversible way. Light metallic…”
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19
Phase transition and diffuse scattering studies in the Al–Cu–Fe ternary system
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-12-2000)“…The reversible phase transformation between the crystalline multidomain structure of the rhombohedral phase to the perfect icosahedral quasicrystalline state…”
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20
Dynamics of phason fluctuations in the i-AlPdMn quasicrystal
Published in Physical review letters (28-11-2003)“…We report on the study of the dynamics of long wavelength phason fluctuations in the i-AlPdMn icosahedral phase using coherent x-ray scattering. When measured…”
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