Výsledky vyhledávání - "Tobias Gokus"

Direct Electrical Probing of Periodic Modulation of Zinc-Dopant Distributions in Planar Gallium Arsenide Nanowires

Autor: Wonsik Choi, Xiuling Li, Tobias Gokus, Pascal Pochet, Eric Seabron, Harley T. Johnson, Adrian Cernescu, William L. Wilson, Jeong Dong Kim, Parsian K. Mohseni

Publikováno v: ACS Nano. 11:1530-1539

Selective lateral epitaxial (SLE) semiconductor nanowires (NWs), with their perfect in-plane epitaxial alignment, ability to form lateral complex p-n junctions in situ, and compatibility with planar processing, are a distinctive platform for next-gen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7183f4d123c0ace761ca0ddbf13dd8c3
https://doi.org/10.1021/acsnano.6b06853

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Anisotropic strain-induced soliton movement changes stacking order and band structure of graphene multilayers: implications for charge transport

Autor: Andrés Ayuela, Daniela Priesack, Tobias Gokus, Stefan Wakolbinger, Yasin C. Durmaz, Fabian R. Geisenhof, Takashi Taniguchi, Kenji Watanabe, Marta Pelc, Felix Winterer, R. Thomas Weitz, Jakob Lenz, Raúl Guerrero-Avilés, Fritz Keilmann

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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The crystal structure of solid-state matter greatly affects its electronic properties. For example, in multilayer graphene, precise knowledge of the lateral layer arrangement is crucial, since the most stable configurations, Bernal and rhombohedral s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d3a357f92c8e2822644644e6d2ff832
http://hdl.handle.net/10261/203065

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Cryogenic Near-Field Imaging and Spectroscopy at the 10-Nanometer-Scale

Autor: Max Eisele, Tobias Gokus, Andreas J. Huber

Publikováno v: Conference on Lasers and Electro-Optics.

We extend conventional near-field microscopy at ambient conditions to the cryogenic temperature range (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0fd0585af2930b9948e93b6a862c5ad1
https://doi.org/10.1364/cleo_qels.2018.fth1k.4

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THz Near-Field Nanoscopy at 25 Nanometer Spatial Resolution

Autor: Max Eisele, Andreas J. Huber, Tobias Gokus

Publikováno v: Conference on Lasers and Electro-Optics.

We combine terahertz time-domain spectroscopy with near-field microscopy to achieve extreme sub-wavelength spatial resolution (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c18f8f965b449a099379c4f2ef5d16fd
https://doi.org/10.1364/cleo_si.2018.sw3d.2

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(Invited) Nano-FTIR Correlation Nanoscopy for Organic and Inorganic Material Analysis

Autor: Stefan Mastel, Nicolai F. Hartmann, Tobias Gokus

Publikováno v: ECS Meeting Abstracts. :962-962

Scattering-type Scanning Near-field Optical Microscopy (s-SNOM) is a scanning probe approach to optical microscopy and spectroscopy, bypassing the ubiquitous diffraction limit of light to achieve a spatial resolution below 20 nanometers. s-SNOM emplo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::396b78365a0a0b6bb45ab708ae5b2dcc
https://doi.org/10.1149/ma2019-01/15/962

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Conductivity Mapping in Graphene through Scattering-Type Scanning Near-Field Optical Microscopy in the Mid-Infrared and Terahertz Spectral Region with 25nm Spatial Resolution

Autor: Nicolai F. Hartmann, Tobias Gokus, Max Eisele, Andreas J. Huber

Publikováno v: ECS Meeting Abstracts. :872-872

Terahertz (THz) imaging and spectroscopy has emerged as a powerful tool for analysis of biological specimens or for studying and controlling low-energy excitations in solid-state systems [1]. One major limitation of THz spectroscopy is, however, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bebc9d349d4cbf50ccbde9cc9f5cad34
https://doi.org/10.1149/ma2018-01/10/872

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Photoluminescence from disorder induced states in individual single-walled carbon nanotubes

Autor: Achim Hartschuh, Maria Allegrini, Mark C. Hersam, Alexander A. Green, Hayk Harutyunyan, Tobias Gokus

Publikováno v: physica status solidi (b). 246:2679-2682

We report on the generation of new low-energy photoluminescence (PL) bands in the spectra of semiconducting single-walled carbon nanotubes (SWNTs). The new bands, that are brightened because of local modifications of the nanotube structure or the met

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd7ea28c7d0279d72861eaf708d04277
https://doi.org/10.1002/pssb.200982273

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Defect-Induced Photoluminescence from Dark Excitonic States in Individual Single-Walled Carbon Nanotubes

Autor: Achim Hartschuh, Alexander A. Green, Hayk Harutyunyan, Tobias Gokus, Maria Allegrini, Mark C. Hersam

Publikováno v: Nano Letters. 9:2010-2014

We show that new low-energy photoluminescence (PL) bands can be created in semiconducting single-walled carbon nanotubes by intense pulsed excitation. The new bands are attributed to PL from different nominally dark excitons that are "brightened" due

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b7d5b5871649db14771aa2145169de5
https://doi.org/10.1021/nl9002798

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