Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Mark J. Polking"'
Autor:
Mark J. Polking
Publikováno v:
Nanoscale. 8:6237-6248
Perovskite oxides exhibit rich structural complexity and a broad range of functional properties, including ferroelectricity, ferromagnetism, and superconductivity. The development of aberration correction for the transmission electron microscope and
Autor:
Hongkun Park, Mark J. Polking, Dominik S. Wild, Mikhail D. Lukin, Robert C. Devlin, Alexander High, Janos Perczel, Nathalie P. de Leon, Alan Dibos
Publikováno v:
Nature. 522:192-196
Metamaterials are artificial optical media composed of sub-wavelength metallic and dielectric building blocks that feature optical phenomena not present in naturally occurring materials. Although they can serve as the basis for unique optical devices
Publikováno v:
MRS Communications. 5:27-44
Improvement of both solution and vapor-phase synthetic techniques for nanoscale ferroelectrics has fueled progress in fundamental understanding of the polar phase at reduced dimensions, and this physical insight has pushed the boundaries of ferroelec
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 30(4)
Defect-based color centers in wide-bandgap crystalline solids are actively being explored for quantum information science, sensing, and imaging. Unfortunately, the luminescent properties of these emitters are frequently degraded by blinking and photo
Publikováno v:
Angewandte Chemie. 124:2437-2440
Autor:
Mark J. Polking, C. C. Umbach
Publikováno v:
Journal of the American Ceramic Society. 88:2442-2446
A 50 mW 325 nm He:Cd laser was used to irradiate the fracture surface of a commercial alkaline-earth boroaluminosilicate display glass (Corning Code 1737) held at temperatures above 800 K. After this treatment, the surface of the glass was found to b
Autor:
Tamar Andelman, Ming Yin, Igor L. Kuskovsky, Gertrude F. Neumark, Y. Gong, Stephen O'Brien, Mark J. Polking
Publikováno v:
The Journal of Physical Chemistry B. 109:14314-14318
Nanocrystals of the wide band gap semiconductor zinc oxide of controllable morphologies were synthesized by a simple thermal decomposition method. The predominating factor in determining the morphology (spheres, triangular prisms, and rods) was the s
Autor:
Amin Yourdkhani, Ramamoorthy Ramesh, A. Paul Alivisatos, Christian Kisielowski, Mark J. Polking, V.V. Volkov, Gabriel Caruntu, Yimei Zhu, Myung-Geun Han, Valeri Petkov
Publikováno v:
Nature materials. 11(8)
Ferroelectricity in finite-dimensional systems continues to arouse interest, motivated by predictions of vortex polarization states and the utility of ferroelectric nanomaterials in memory devices, actuators and other applications. Critical to these
Autor:
Christian Kisielowski, Mark J. Polking, Haimei Zheng, Marissa A. Caldwell, Simone Raoux, Jeffrey J. Urban, Delia J. Milliron, Emory M. Chan, Joel W. Ager, Ramamoorthy Ramesh, A. Paul Alivisatos
Publikováno v:
Nano letters. 11(3)
The question of the nature and stability of polar ordering in nanoscale ferroelectrics is examined with colloidal nanocrystals of germanium telluride (GeTe). We provide atomic-scale evidence for room-temperature polar ordering in individual nanocryst
Publikováno v:
Journal of the American Chemical Society. 133(7)
Germanium telluride (GeTe) exhibits interesting materials properties, including a reversible amorphous-to-crystalline phase transition and a room-temperature ferroelectric distortion, and has demonstrated potential for nonvolatile memory applications