Papers by Stephenie Ritchey
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Yang et al. (J. Phys. Cond. Matt. 14, L406 (2002)) have discussed a new method for studying burie... more Yang et al. (J. Phys. Cond. Matt. 14, L406 (2002)) have discussed a new method for studying buried interfaces using soft x-ray standing waves created by Bragg reflection from a multilayer mirror, combined with a wedge-shaped sample profile. Prior work has been based on photoemission, a photon-in/electron-out spectroscopy. We will here discuss the first experimental results of applying this method
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Bulletin of the American …, 2005
APS Bulletin of the American Physical Society. 2005 APS March Meeting. MondayFriday, March 2125... more APS Bulletin of the American Physical Society. 2005 APS March Meeting. MondayFriday, March 2125, 2005; Los Angeles, CA. ...
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Magnetic multilayer structures represent a key element of current developments in spintronics, wi... more Magnetic multilayer structures represent a key element of current developments in spintronics, with giant magnetoresistance, exchange bias, and magnetic tunnel junctions being a few examples. The buried interfaces in such structures are of key importance to their performance, but are difficult to study selectively. A new method has been developed for spectroscopically probing such buried interfaces: excitation of photoelectrons or
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Abstract Regardless of the detection system used in synchrotron radiation experiments, intensity ... more Abstract Regardless of the detection system used in synchrotron radiation experiments, intensity levels can or will in many cases exceed the linear response range. For example, the study of complex CMR oxides via core and valence photoemission has been found to be strongly influenced by non-linearity. We will here demonstrate two procedures for correcting for such non-linearity effects, using photoemission intensities as the example. The first directly yields the detector efficiency by measuring a flat-background reference intensity ...
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Sustainability, 2012
ABSTRACT More than one-half of all U. S. states have instituted energy efficiency mandates requir... more ABSTRACT More than one-half of all U. S. states have instituted energy efficiency mandates requiring utilities to reduce energy use. To achieve these goals, utilities have been permitted rate structures to help them incentivize energy reduction projects. This strategy is proving to be only modestly successful in stemming energy consumption growth. By the same token, community energy reduction programs have achieved moderate to very significant energy reduction. The research described here offers an important tool to strengthen the community energy reduction efforts-by providing such efforts energy information tailored to the energy use patterns of each building occupant. The information provided most importantly helps each individual energy customer understand their potential for energy savings and what reduction measures are most important to them. This information can be leveraged by the leading community organization to prompt greater action in its community. A number of case studies of this model are shown. Early results are promising.
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Papers by Stephenie Ritchey