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In optoelectronic devices based on quantum dot arrays, thin nanolayers of gold are preferred as stable metal contacts and for connecting recombination centers. The optimal morphology requirements are uniform arrays with precisely controlled positions and sizes over a large area with long range ordering since this strongly affects device performance. To(More)
Vortex domain walls poses chirality or 'handedness' which can be exploited to act as memory units by changing their polarity with electric field or driving/manupulating the vortex itself by electric currents in multiferroics. Recently, domain walls formed by one dimensional array of vortex-like structures have been theoretically predicted to exist in(More)
Biodiesel production is a valuable process which needs a continued study and optimization process because of its environmentally advantageous attributes and its renewable nature. In India Neem tree is a widely grown crop, termed as Divine Tree due to its wide relevance in many areas of study. The present study is intended to consider aspects related to the(More)
Topologically stabilized spin configurations like helices in the form of planar domain walls (DWs) or vortex-like structures with magnetic functionalities are more often a theoretical prediction rather than experimental realization. In this paper we report on the exchange coupling and helical phase characteristics within Dy-Fe multilayers. The magnetic(More)
To better reflect the contributions to this study, the author wishes to make the following changes. In the Acknowledgements section, " We are thankful to J. Voigt for the sample preparation and MPMS measurements. Thanks are due to U. Rücker for his assistance during the neutron measurements. We are also thankful to P. Böni and Th. Nattermann for useful(More)
This chapter discusses how classical transport theories such as the thermionic emission (Sze, 1981), can be used as a powerful tool for the study and the understanding of the most complex mechanisms of transport in fin field effect transistors (FinFETs). By means of simple current and differential conductance measurements, taken at different temperatures(More)
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