Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Katyayani Seal"'
Autor:
Katyayani Seal, Dentcho A. Genov
Publikováno v:
International Journal of Optics, Vol 2012 (2012)
Semicontinuous metal-dielectric films are composed of a wide range of metal clusters of various geometries—sizes as well as structures. This ensures that at any given wavelength of incident radiation, clusters exist in the film that will respond re
Externí odkaz:
https://doaj.org/article/3d34229885014e4c92ec1426dff8f400
Publikováno v:
Advanced Optical Materials. 2:292-299
Ferroelectric lithography, a recent method of fabricating functional interfaces, traditionally involves photoreduction on polarized ferroelectric surfaces at optical energies above the bandgap of the ferroelectric. In this work, we report for the fir
Autor:
E. Andrew Payzant, Katyayani Seal, Arthur P. Baddorf, Sergei V. Kalinin, Eugene A. Eliseev, Stephen Jesse, Martyn A. McLachlan, David W. McComb, Mary P. Ryan, Anna N. Morozovska
Publikováno v:
Advanced Functional Materials. 21:941-947
We describe the characterization, ferroelectric phase stability and polarization switching in strain-free macroscopic assemblies of 50-100 nm wide PbZr0.3Ti0.7O3 (PZT) nanostructures (ferroelectric nanosponges). The structures present uniquely large
Autor:
Sergei V. Kalinin, Maxim Nikiforov, Alexey Vertegel, Stephen Jesse, Senli Guo, Gary L. Thompson, Vladimir Reukov, Brian J. Rodriguez, Katyayani Seal
Publikováno v:
ACS Nano. 4:689-698
Harnessing electrical bias-induced mechanical motion on the nanometer and molecular scale is a critical step towards understanding the fundamental mechanisms of redox processes and implementation of molecular electromechanical machines. Probing these
Autor:
Samantha Wicks, Stephen Jesse, Sarah Leach, Valanoor Nagarajan, Sergei V. Kalinin, Katyayani Seal, R. Edwin García, Varatharajan Anbusathaiah
Publikováno v:
Acta Materialia. 58:67-75
Grain-to-grain long-range interactions and the ensuing collective dynamics in the domain behavior of nanostructured polycrystalline Pb(Zr,Ti)O 3 ferroelectric thin films have been investigated. To identify the key factors and interactions controlling
Autor:
Roger Proksch, Stephen Jesse, Peter Maksymovych, Arthur P. Baddorf, Katyayani Seal, Sergei V. Kalinin, Maxim Nikiforov, Andrei L. Kholkin, Brian J. Rodriguez
Publikováno v:
Materials Today. 11(11):16-27
Electrical bias-induced phase transitions underpin a wide range of applications from data storage to energy generation and conversion. The mechanisms behind these transitions are often quite complex and in many cases are extremely sensitive to local
Autor:
Katyayani Seal, Arthur P. Baddorf, Ying-Hao Chu, Anna N. Morozovska, Eugene A. Eliseev, T. Zhao, Sergei V. Kalinin, Stephen Jesse, Ramamoorthy Ramesh, Boris Mirman, Brian J. Rodriguez, Edgar Karapetian
Publikováno v:
Japanese Journal of Applied Physics. 46:5674-5685
Coupling between electrical and mechanical phenomena is ubiquitous in nature, with examples ranging from piezoelectricity in polar perovskites and chemical bonds to complex pathways of electromechanical transformations underpinning the functionality
Autor:
Dentcho A. Genov, Andrey K. Sarychev, Katyayani Seal, Heeso Noh, Hui Cao, Vladimir M. Shalaev, Z. C. Ying, Xiang Zhang
Publikováno v:
Applied Physics B. 84:205-210
Theoretical and experimental studies of the electromagnetic response of semicontinuous metal films are presented. A scaling theory is developed by solving the surface plasmon eigenproblem. The short-range correlations in the governing Kirchhoff Hamil
Autor:
Katyayani Seal, Mark Nelson, Vladimir M. Shalaev, Andrey K. Sarychev, Dentcho A. Genov, Z. Charles Ying
Publikováno v:
Physica B: Condensed Matter. 338:228-231
The local field properties of metal–dielectric films are investigated in terms of the probability distribution function (PDF). For metal coverage p , close to the percolation threshold we obtain a wide, lognormal PDF which for low metal concentrati
Autor:
Katyayani Seal
Publikováno v:
Physics Today. 70:25-25
Two previously incompatible techniques for manipulating nano-objects are combined to precisely control the movement of single DNA molecules.