The mechanism of high superconducting transition temperatures (T c) in bismuthates
remains under debate despite more than 30 years of extensive research. Our angle …

The high-temperature superconducting cuprate La2− x Sr x CuO4 (LSCO) shows several
phases ranging from antiferromagnetic insulator to metal with increasing hole doping. To …

We present an incisive spectroscopic technique for directly probing redox orbitals based on
bulk electron momentum density measurements via high-resolution x-ray Compton …

Monolayer graphene provides an ideal material to explore one of the fundamental light-field
driven interference effects: Landau-Zener-Stückelberg interference. However, direct …

Investigations of the Fermi surface via the electron momentum distribution reconstructed
from either angular correlation of annihilation radiation or Compton scattering experimental …

We studied the isotropic Compton profile of the prototypical oxide VO 2 across the
temperature induced electronic and structural phase transition at TC≈ 340 K. We show that …

The analysis of the electronic structure and Fermi surface of 0.33 monolayers (ML) of Sn/Ge
(111) and Pb/Ge (111) has played an important role in understanding the phase transition …

The Be [110] Compton profile was measured with high resolution utilizing x rays with energy
of 16–18 keV. The momentum resolution due to the experimental factors was set to 0.018 …

The relationship between electron momentum densities (EMDs) and a band gap is clarified
in momentum space. The interference between wavefunctions via reciprocal lattice vectors …

We compare Fourier transforms with orthogonal polynomials techniques applied in
reconstructing three-dimensional electron–positron momentum densities from two …