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Soft x-ray spectroscopy experiments on the near K-edge of B in MB2 (M=Mg, Al, Ta, and Nb)
J. Nakamura, N. Yamada, K. Kuroki +4
Soft X-ray absorption and emission measurements are performed for the K- edge of B in MB (M=Mg, Al, Ta and Nb). Unique feature of MgB with a high density of B 2-…
Bulk Band Gaps in Divalent Hexaborides: A Soft X-Ray Emission Study
J. D. Denlinger, G. -H. Gweon, J. W. Allen +2
Boron K-edge soft x-ray emission and absorption are used to address the fundamental question of whether divalent hexaborides are intrinsic semimetals or defect-doped bandgap insula…
Temperature Dependent 5f-states in URu_2Si_2
J. D. Denlinger, G. -H. Gweon, J. W. Allen +1
A dramatic temperature dependent enhancement of U 5f spectral weight at is observed in angle-resolved photoemission measurements of at the center of an X-point ho…
ARPES Study of X-Point Band Overlaps in LaB and SmB - Contrast to SrB and EuB
S. -K. Mo, G. -H. Gweon, J. D. Denlinger +6
In contrast to our recent finding of an X-point band gap in divalent hexaborides, we report here that angle resolved photoemission spectroscopy (ARPES) data shows that the gap is a…
Bulk Band Gaps in Divalent Hexaborides
J. D. Denlinger, J. A. Clack, J. W. Allen +6
Complementary angle-resolved photoemission and bulk-sensitive k-resolved resonant inelastic x-ray scattering of divalent hexaborides reveal a >1 eV X-point gap between the valence…