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 …

Inelastic light scattering from correlated electrons

TP Devereaux, R Hackl - Reviews of modern physics, 2007 - APS
Inelastic light scattering is an intensively used tool in the study of electronic properties of
solids. Triggered by the discovery of high-temperature superconductivity in the cuprates and …

Two-band superconductor magnesium diboride

XX Xi - Reports on Progress in Physics, 2008 - iopscience.iop.org
This review focuses on the most important features of the 40 K superconductor MgB 2—the
weakly interacting multiple bands (the σ and π bands) and the distinct multiple …

Temperature and Field Dependence of the Anisotropy of

M Angst, R Puzniak, A Wisniewski, J Jun, SM Kazakov… - Physical review …, 2002 - APS
The anisotropy γ of the superconducting state of high quality single crystals of MgB 2 was
determined, using torque magnetometry with two different methods. The anisotropy of the …

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 …

Observation of Leggett's Collective Mode in a Multiband Superconductor

G Blumberg, A Mialitsin, BS Dennis, MV Klein… - Physical review …, 2007 - APS
We report observation of Leggett's collective mode in a multiband MgB 2 superconductor
with T c= 39 K arising from the fluctuations in the relative phase between two …

Carbon-substitution effect on the electronic properties of single crystals

T Masui, S Lee, S Tajima - Physical Review B—Condensed Matter and …, 2004 - APS
The electronic properties of the carbon-substituted MgB 2 single crystals are reported. The
carbon substitution drops T c below 2 K. In-plane resistivity shows a remarkable increase in …

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 …

Mixed-state properties of superconducting single crystals

M Zehetmayer, M Eisterer, J Jun, SM Kazakov… - Physical Review B, 2002 - APS
We report on measurements of the magnetic moment in superconducting MgB 2 single
crystals. We find μ 0 H c 2 c (0)= 3.2 T, μ 0 H c 2 ab (0)= 14.5 T, γ= 4.6, μ 0 H c (0)= 0.28 T …

MgB2 Thin Films

XX Xi - Frontiers in Superconducting Materials, 2005 - Springer
Magnesium diboride, MgB2, which was discovered to be a superconductor with a transition
temperature c of 39 K in 2YY1 [1], shows a unique property of being a clear example of a …