Journal ArticleDOI
Room-temperature ultraviolet nanowire nanolasers
Michael H. Huang,Samuel S. Mao,Henning Feick,Haoquan Yan,Yiying Wu,Hannes Kind,Eicke R. Weber,Richard E. Russo,Peidong Yang,Peidong Yang +9 more
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TLDR
Room-temperature ultraviolet lasing in semiconductor nanowire arrays has been demonstrated and self-organized, <0001> oriented zinc oxide nanowires grown on sapphire substrates were synthesized with a simple vapor transport and condensation process.Abstract:
Room-temperature ultraviolet lasing in semiconductor nanowire arrays has been demonstrated The self-organized, oriented zinc oxide nanowires grown on sapphire substrates were synthesized with a simple vapor transport and condensation process These wide band-gap semiconductor nanowires form natural laser cavities with diameters varying from 20 to 150 nanometers and lengths up to 10 micrometers Under optical excitation, surface-emitting lasing action was observed at 385 nanometers, with an emission linewidth less than 03 nanometer The chemical flexibility and the one-dimensionality of the nanowires make them ideal miniaturized laser light sources These short-wavelength nanolasers could have myriad applications, including optical computing, information storage, and microanalysisread more
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Synthesis, characterization, and electrochemical properties of Ag2V4O11 and AgVO3 1-D nano/microstructures.
TL;DR: It is anticipated that the novel Ag(2)V(4)O(11) and AgVO(3) one-dimensional nano/microstructures are promising cathode candidates in the application of primary lithium ion batteries for implantable cardioverter defibrillators (ICDs).
Journal ArticleDOI
Persistent Photoconductivity Studies in Nanostructured ZnO UV Sensors
TL;DR: A nanostructured ZnO-based metal–semiconductor–metal photoconductor device is employed in order to study the origin of persistent photoconductivity and the photoresponse measurements indicated a persistent conductivity trend for depleted oxygen conditions.
Journal ArticleDOI
Oxygen vacancy–induced ferromagnetism in un-doped ZnO thin films
Peng Zhan,Weipeng Wang,Can Liu,Yang Hu,Zhengcao Li,Zhengjun Zhang,Peng Zhang,Baoyi Wang,Xingzhong Cao +8 more
TL;DR: In this paper, the origin of the ferromagnetic properties of un-doped ZnO thin films was clarified and an alternative way to prepare ferromagnetagnetic ZnNO films was proposed.
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Annealing effects on optical properties of low temperature grown ZnO nanorod arrays
TL;DR: In this paper, a two-step chemical bath deposition method was used to produce well-aligned ZnO nanorods on Si substrates and the structure and optical properties of the grown nanorod were investigated.
Patent
High-Speed, High-Resolution Electrophysiology In-Vivo Using Conformal Electronics
TL;DR: In this paper, biomedical devices and methods of making and using biomedical devices for sensing and actuation applications are described. But, they do not specify any specific applications of these devices.
References
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Journal ArticleDOI
Indium phosphide nanowires as building blocks for nanoscale electronic and optoelectronic devices
TL;DR: The assembly of functional nanoscale devices from indium phosphide nanowires, the electrical properties of which are controlled by selective doping are reported, and electric-field-directed assembly can be used to create highly integrated device arrays from nanowire building blocks.
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Catalytic Growth of Zinc Oxide Nanowires by Vapor Transport
TL;DR: In this paper, the capacitance matrix was calculated for different chain lengths using the software package FastCap MIT (1992) and a ligand shell dielectric constant of 3.14 aF.
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Optical gain and stimulated emission in nanocrystal quantum dots.
Victor I. Klimov,Alexander Mikhailovsky,S. Xu,Anton V. Malko,Jennifer A. Hollingsworth,C. A. Leatherdale,H.-J. Eisler,Moungi G. Bawendi +7 more
TL;DR: In this article, the authors examined the competing dynamical processes involved in optical amplification and lasing in nanocrystal quantum dots and found that, despite a highly efficient intrinsic nonradiative Auger recombination, large optical gain can be developed at the wavelength of the emitting transition for close-packed solids of these dots.
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Optical gain in silicon nanocrystals
TL;DR: It is demonstrated that light amplification is possible using silicon itself, in the form of quantum dots dispersed in a silicon dioxide matrix, which opens a route to the fabrication of a silicon laser.
Journal ArticleDOI
Optically pumped lasing of ZnO at room temperature
TL;DR: In this paper, the authors reported the observation of optically pumped lasing in ZnO at room temperature using a plasma-enhanced molecular beam epitaxy on sapphire substrates.