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High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F09%3A00330267" target="_blank" >RIV/68378271:_____/09:00330267 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As

  • Original language description

    Optical pump?terahertz probe spectroscopy was used for investigation of electron dynamics in In0.53Ga0.47As films irradiated by heavy ions (Br+) at doses from 10^9 to 10^12 cm^-2. From the transient conductivity spectra, photoexcited electron lifetimes and mobilities were determined; their decrease is observed upon increase of the irradiation dose. At the highest dose, the material combines an electron lifetime of 0.46 ps with an exceptionally high photoexcited electron mobility of 3600 cm2V?1s?1. Thislast value is even higher than those reported for low-temperature-grown GaAs with similar electron lifetime. Due to its rather low band gap heavy-ion irradiated IIn0.53Ga0.47As shows promising properties for the development of THz systems using telecommunication based technology.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Physics D-Applied Physics

  • ISSN

    0022-3727

  • e-ISSN

  • Volume of the periodical

    42

  • Issue of the periodical within the volume

    19

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    6

  • Pages from-to

  • UT code for WoS article

    000269993100029

  • EID of the result in the Scopus database