TITLE

Hot-electron transport in AlGaN/GaN two-dimensional conducting channels

AUTHOR(S)
Danilchenko, B. A.; Zelensky, S. E.; Drok, E.; Vitusevich, S. A.; Danylyuk, S. V.; Klein, N.; Lüth, H.; Belyaev, A. E.; Kochelap, V. A.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5421
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on experimental studies of high-field electron transport in AlGaN/GaN two-dimensional electron gas. The velocity–electric field characteristics are extracted from 10 to 30 ns pulsed current–voltage measurements for 4.2 and 300 K. An electron drift velocity as high as 1.7×107 cm/s was obtained in the fields 150 kV/cm. Estimates of thermal budget of the system show that overheating of the electrons exceeds 1700 K at highest electric fields achieved in the experiment.
ACCESSION #
15244098

 

Related Articles

  • Multi-Parametric Relationships between PAM Measurements and Carbon Incorporation, an In Situ Approach. Napoléon, Camille; Claquin, Pascal // PLoS ONE;Jul2012, Vol. 7 Issue 7, p1 

    Primary production (PP) in the English Channel was measured using 13C uptake and compared to the electron transport rate (ETR) measured using PAM (pulse amplitude modulated fluorometer). The relationship between carbon incorporation (Pobs) and ETR was not linear but logarithmic. This result can...

  • Test of models for electron transport in laser produced plasmas. Colombant, D. G.; Manheimer, W. M.; Busquet, M. // Physics of Plasmas;Jul2005, Vol. 12 Issue 7, p072702 

    This paper examines five different models of electron thermal transport in laser produced spherical implosions. These are classical, classical with a flux limit f, delocalization, beam deposition model, and Fokker–Planck solutions. In small targets, the results are strongly dependent on f...

  • Self-similarity of single-channel transmission for electron transport in nanowires. Gelin, M. F.; Zhenyu Li; Kosov, D. S. // Journal of Chemical Physics;3/14/2006, Vol. 124 Issue 10, p104703 

    We demonstrate that the single-channel transmission in the resonance tunneling regime exhibits self-similarity as a function of the nanowire length and the energy of incident electrons. The self-similarity is used to design the nonlinear transformation of the nanowire length and energy which, on...

  • Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum. Fong, H. H.; So, S. K. // Journal of Applied Physics;7/15/2005, Vol. 98 Issue 2, p023711 

    The effects of nitrogen, oxygen, and moisture on the electron mobilities of tris(8-hydroxyquinoline) aluminum (Alq3) have been examined by time-of-flight (TOF) technique at room temperature under an applied electric-field range of 0.3–1 MV/cm. Our results suggest that both oxygen and...

  • High electron mobility of 0.1 cm2 V-1 s-1 in the highly ordered columnar phase of hexahexylthiotriphenylene. Iino, Hiroaki; Takayashiki, Yukiko; Jun-ichi Hanna; Bushby, Richard J.; Haarer, Dietrich // Applied Physics Letters;11/7/2005, Vol. 87 Issue 19, p192105 

    Negative charge carrier transport has been investigated in the columnar mesophases of 2,3,6,7,10,11-hexahexylthiotriphenylene (HHTT), (the best-known conducting discotic liquid crystal because of its high bulk hole mobility) using the time-of-flight method. It was shown that fast electron...

  • Pure-blue tandem OLEDs based on terfluorenes compounds. Fuxiang Wei; Fang, L. // Journal of Materials Science: Materials in Electronics;Dec2008, Vol. 19 Issue 12, p1202 

    We demonstrate a pure-blue tandem organic light-emitting devices (OLEDs) employing the blue fluorescent emitter, ter(9,9-phenylfluorene) fluoride (TPFF). The charge generation region consists of a Li-doped electron transport layer and a highly transparent WO3 thin film. Highly efficient...

  • Steady-state and transient electron transport within bulk ternary nitride semiconductors including GaInN, AlGaN and AlInN using a three-valley Monte Carlo method. Rokn-Abadi, M. Rezaee // Indian Journal of Science & Technology;Aug2010, Vol. 3 Issue 8, p849 

    An ensemble Monte Carlo simulation is used to compare bulk electron transport in wurtzite phase GaInN, AlGaN and AlInN materials. Electronic states within the conduction band valleys at the #x0393;, U and K are represented by non-parabolic ellipsoidal valleys centered on important symmetry...

  • Carbon nanotube quantum dots fabricated on a GaAs/AlGaAs two-dimensional electron gas substrate. Tsukamoto, T.; Moriyama, S.; Tsuya, D.; Suzuki, M.; Yamaguchi, T.; Aoyagi, Y.; Ishibashi, K. // Journal of Applied Physics;10/1/2005, Vol. 98 Issue 7, p076106 

    Single-wall carbon nanotube (SWCNT) quantum dots have been fabricated on a GaAs/AlGaAs two-dimensional electron gas (2DEG) substrate, and the single electron transport measurements have been carried out at 2.8 K and 22 mK with the 2DEG used as a gate. It was demonstrated that the gating by the...

  • Importance of coherence for electron transport in terahertz quantum cascade lasers. Callebaut, Hans; Qing Hu // Journal of Applied Physics;11/15/2005, Vol. 98 Issue 10, p104505 

    A density matrix approach is used in combination with a tight-binding model to describe electron transport in terahertz quantum cascade lasers and is incorporated into a Monte Carlo simulation. Scattering events, including LO-phonon, electron-electron, and ionized impurity scattering, are...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics