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Condensed Matter Colloquium Thursday, October 27, 2011

Summary: Condensed Matter Colloquium
Thursday, October 27, 2011
2 pm, Room 1201
Refreshments at 1:30 pm in Room 1305F
Kyle Shen
Cornell University
Shedding Light on Correlated Electronic Materials
Angle-resolved photoemission spectroscopy (ARPES) has played a pivotal role in
shaping our understanding of a range of complex materials. However, the vast
majority of materials have traditionally remained beyond the reach of
photoemission spectroscopy. To overcome this barrier, we have developed a
new approach by combining an oxide molecular beam epitaxy with high-
resolution photoemission (MBE-ARPES), allowing us to synthesize and study the
electronic structure of a wide variety of epitaxial thin films, interfaces, and
heterostructures. I will describe our recent work on two material systems were
we have utilized this approach. First, epitaxial thin films of the elusive "infinite
layer" cuprate Sr1-xLaxCuO2 have been studied, allowing us to address
fundamental issues regarding the asymmetry between doping electrons and
holes in the high-Tc cuprates. Second, oxide heterostructures of [LaMnO3]2n /
[SrMnO3]n have been synthesized to explore how electronic and magnetic states


Source: Appelbaum, Ian - Department of Physics, University of Maryland at College Park


Collections: Engineering; Materials Science