- Three-dimensional shaping of sub-micron GaAs Schottky junctions for zero-bias terahertz rectification - art. no. 263505
[作者:Casini, R; Di Gaspare, A; Giovine, E; Notargiacomo, A; Ortolani, M; Foglietti, V,期刊:Applied Physics Letters, 页码:63505-63505 , 文章类型: Article,,卷期:2011年99-26]
- We demonstrate a rectification mechanism based on quantum tunneling through the narrow Schottky barrier of a sub-micrometric Au/Ti/n-GaAs junction, which is capable of efficient power detection of free-space terahertz ra...
- Tuning the surface magnetism of gamma-Fe2O3 nanoparticles with a Cu shell - art. no. 262501
[作者:Desautels, RD; Skoropata, E; Chen, YY; Ouyang, H; Freeland, JW; van Lierop, J,期刊:Applied Physics Letters, 页码:62501-62501 , 文章类型: Article,,卷期:2011年99-26]
- An interfacial monolayer of CuO in Cu-coated gamma-Fe2O3 nanoparticles enables significantly decreased intrinsic surface spin disorder compared to bare gamma-Fe2O3 nanoparticles. Element specific x-ray absorption spectro...
- Lasing in planar semiconductor diodes - art. no. 261110
[作者:De Simoni, G; Mahler, L; Piazza, V; Tredicucci, A; Nicoll, CA; Beere, HE; Ritchie, DA; Beltram, F,期刊:Applied Physics Letters, 页码:61110-61110 , 文章类型: Article,,卷期:2011年99-26]
- We present a planar laser diode based on a simple fabrication scheme compatible with virtually any geometry accessible by standard semiconductor lithography technique. We show that our lasers exhibit similar to 1 GHz -3 ...
- Ultra-coherent single photon source - art. no. 261904
[作者:Nguyen, HS; Sallen, G; Voisin, C; Roussignol, P; Diederichs, C; Cassabois, G,期刊:Applied Physics Letters, 页码:61904-61904 , 文章类型: Article,,卷期:2011年99-26]
- We present an original type of single photon source in solid state, based on the coherent laser light scattering by a single InAs quantum dot. We demonstrate that the coherence of the emitted single photons is tailored b...
- Wavelength tunable ultraviolet laser emission via intra-cavity frequency doubling of an AlGaInP vertical external-cavity surface-emitting laser down to 328 nm - art. no. 261101
[作者:Schwarzback, T; Kahle, H; Eichfelder, M; Rossbach, R; Jetter, M; Michler, P,期刊:Applied Physics Letters, 页码:61101-61101 , 文章类型: Article,,卷期:2011年99-26]
- We demonstrate an optically pumped vertical external-cavity surface-emitting laser in a compact v-shaped cavity configuration for frequency doubling to the ultraviolet (UV) spectral range at similar to 330 nm. The fundam...
- Long-lasting flexible organic solar cells stored and tested entirely in air - art. no. 263305
[作者:Omrane, B; Landrock, CK; Chuo, Y; Hohertz, D; Aristizabal, J; Kaminska, B; Kavanagh, KL,期刊:Applied Physics Letters, 页码:63305-63305 , 文章类型: Article,,卷期:2011年99-26]
- We report on improved stability of poly(3-hexylthiopene) (P3HT) and [6,6]-phenyl C-61 butyric acid methyl ester bulk heterojunction solar cells using an indium tin oxide (ITO) anode and an indium metal cathode. Except fo...
- Interplay of index contrast with periodicity in polymer photonic crystals - art. no. 261913
[作者:Finlayson, CE; Haines, AI; Snoswell, DRE; Kontogeorgos, A; Vignolini, S; Baumberg, JJ; Spahn, P; Hellmann, GP,期刊:Applied Physics Letters, 页码:61913-61913 , 文章类型: Article,,卷期:2011年99-26]
- We report how the strength of resonant Bragg reflection from polymeric photonic crystals (polymer opals) varies linearly with the refractive-index contrast, Delta n, in contrast to the quadratic buildup of Fresnel reflec...
- Magnon magnetoresistance of NiFe nanowires: Size dependence and domain wall detection - art. no. 262504
[作者:Nguyen, VD; Naylor, C; Vila, L; Marty, A; Laczkowski, P; Beigne, C; Notin, L; Ishaque, Z; Attane, JP,期刊:Applied Physics Letters, 页码:62504-62504 , 文章类型: Article,,卷期:2011年99-26]
- The magnetoresistance of permalloy (Ni84Fe16) nanowires of various widths (down to 50 nm) has been measured for fields applied along the wires. The enhancement of the shape anisotropy in the narrowest widths leads to the...
- Ultraviolet/orange bicolor electroluminescence from an n-ZnO/n-GaN isotype heterojunction light emitting diode - art. no. 263502
[作者:Huang, HH; Fang, GJ; Li, SZ; Long, H; Mo, XM; Wang, HN; Li, Y; Jiang, QK; Carroll, DL; Wang, JB; Wang, MJ; Zhao, XZ,期刊:Applied Physics Letters, 页码:63502-63502 , 文章类型: Article,,卷期:2011年99-26]
- We fabricate an ultraviolet (UV)/orange bicolor light emitting diode (LED) based on an n-ZnO/n-GaN isotype heterojunction, which presents a sharp ultraviolet emission centered at 367 nm and a broad orange emission center...
- Realization of tightly confined channel plasmon polaritons at low frequencies - art. no. 261103
[作者:Jiang, T; Shen, LF; Wu, JJ; Yang, TJ; Ruan, ZC; Ran, LX,期刊:Applied Physics Letters, 页码:61103-61103 , 文章类型: Article,,卷期:2011年99-26]
- Subwavelength guiding of channel plasmon polaritons (CPPs) is realized by a properly structured metallic groove at frequencies far below the plasma frequency of metal. Compared with CPPs at visible frequencies, more vers...
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