Journal
PHYSICAL REVIEW B
Volume 69, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.69.193104
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Here we use electron energy-loss spectroscopy in a monochromated transmission electron microscope with 100 meV energy resolution and 2 A spatial resolution to show that the electronic structure of face centered cubic gamma and double hexagonal close-packed beta cerium are considerably different, contrary to previous assumptions in literature. These results are supported by synchrotron-radiation-based x-ray absorption, multielectronic atomic spectral simulations, and local density approximation calculations, illustrating that changes in {111} stacking sequences can drive substantial electronic changes in close-packed phases of cerium that have a similar atomic volume.
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