Abhishek Kaul

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This paper is motivated by the recent interest in the analysis of high dimensional microbiome data. A key feature of this data is the presence of 'structural zeros' which are microbes missing from an observation vector due to an underlying biological process and not due to error in measurement. Typical notions of missing-ness are insufficient to model these(More)
We report the observation of an unusual phase assembly behavior during the growth of hexagonal LuFeO(3) thin films which resulted in the formation of epitaxial Fe(3)O(4) nanolayers. The magnetite layers were up to 5 nm thick and grew under the conditions at which Fe(2)O(3) is thermodynamically stable. These Fe(3)O(4) nanolayers act as buffer layers(More)
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