Review of the superconducting properties of MgB2

C Buzea, T Yamashita - Superconductor Science and Technology, 2001 - iopscience.iop.org
This review paper illustrates the main normal and superconducting state properties of
magnesium diboride, a material known since the early 1950s but only recently discovered to …

High-resolution inelastic X-ray scattering I: Context, spectrometers, samples, and superconductors

AQR Baron - Synchrotron Light Sources and Free-Electron Lasers …, 2020 - Springer
This chapter reviews nonresonant, meV-resolution inelastic x-ray scattering (IXS), as applied
to the measurement of atomic dynamics of crystalline materials. It, in conjunction with a …

First-principles calculation of the superconducting transition in within the anisotropic Eliashberg formalism

HJ Choi, D Roundy, H Sun, ML Cohen, SG Louie - Physical Review B, 2002 - APS
We present a study of the superconducting transition in MgB 2 using the ab initio
pseudopotential density-functional method, a fully anisotropic Eliashberg equation, and a …

Aqueous dispersions of few-layer-thick chemically modified magnesium diboride nanosheets by ultrasonication assisted exfoliation

SK Das, A Bedar, A Kannan, K Jasuja - Scientific Reports, 2015 - nature.com
The discovery of graphene has led to a rising interest in seeking quasi two-dimensional
allotropes of several elements and inorganic compounds. Boron, carbon's neighbour in the …

Phonon Dispersion and Lifetimes in

A Shukla, M Calandra, M d'Astuto, M Lazzeri, F Mauri… - Physical review …, 2003 - APS
We measure phonon dispersion and linewidth in a single crystal of M g B 2 along the Γ-A, Γ-
M, and AL directions using inelastic x-ray scattering. We use density functional theory to …

Carrier-density-dependent momentum shift of the coherent peak and the LO phonon mode in p-type high- superconductors

S Sugai, H Suzuki, Y Takayanagi, T Hosokawa… - Physical Review B, 2003 - APS
Systematic Raman scattering experiments were carried out in p-type superconductors
YBCO, LSCO, Bi2212, and Bi2201. The superconducting coherent (pair-breaking) peak is …

Anharmonic phonon frequency shift in

M Lazzeri, M Calandra, F Mauri - Physical Review B, 2003 - APS
We compute the anharmonic shift of the phonon frequencies in MgB 2, using density
functional theory. We explicitly take into account the scattering between different phonon …

Anisotropic Eliashberg theory of MgB2: Tc, isotope effects, superconducting energy gaps, quasiparticles, and specific heat

HJ Choi, ML Cohen, SG Louie - Physica C: Superconductivity, 2003 - Elsevier
The anisotropic Eliashberg formalism, employing results from the ab initio pseudopotential
density functional calculations, is applied to study the superconducting properties of MgB2. It …

Superconducting Gap in : Electronic Raman Scattering Measurements of Single Crystals

JW Quilty, S Lee, A Yamamoto, S Tajima - Physical review letters, 2002 - APS
Polarization-resolved Raman scattering measurements were performed on MgB 2 single
crystals to determine the magnitude, symmetry, and temperature dependence of the …

Crystal structure and lattice dynamics of under pressure and implications for

I Loa, K Kunc, K Syassen, P Bouvier - Physical Review B, 2002 - APS
The effect of high pressures, up to 40 GPa, on the crystal structure and lattice dynamics of
AlB 2 was studied by synchrotron x-ray powder diffraction, Raman spectroscopy, and first …