, Volume 38, Issue 9, pp 1105–1110 | Cite as

Characteristics of planar diodes based on heavily doped GaAs/AlAs superlattices in the terahertz frequency region

  • D. G. Pavel’ev
  • N. V. Demarina
  • Yu. I. Koshurinov
  • A. P. Vasil’ev
  • E. S. Semenova
  • A. E. Zhukov
  • V. M. Ustinov
Physics of Semiconductor Devices


Characteristics of ohmic InGaAs contacts in planar diodes based on semiconductor superlattices with a small-area active region (1–10 µm2) are studied. The diodes were formed on the basis of short (18 or 30 periods) heavily doped (1018 cm−3) GaAs/AlAs superlattices with a miniband width of 24.4 meV. The reduced resistance of the ohmic contact was equal to 2×10−7 Ω cm2 at room temperature. It is shown that the properties of fabricated planar diodes make it possible to use these diodes later on in semiconductor devices that operate in the terahertz frequency region in a wide temperature range (4–300 K).


Active Region Magnetic Material Frequency Region Electromagnetism Wide Temperature Range 
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Copyright information

© MAIK "Nauka/Interperiodica" 2004

Authors and Affiliations

  • D. G. Pavel’ev
    • 1
  • N. V. Demarina
    • 1
  • Yu. I. Koshurinov
    • 1
  • A. P. Vasil’ev
    • 2
  • E. S. Semenova
    • 2
  • A. E. Zhukov
    • 2
  • V. M. Ustinov
    • 2
  1. 1.Lobachevsky State UniversityNizhni NovgorodRussia
  2. 2.Ioffe Physicotechnical InstituteRussian Academy of SciencesSt. PetersburgRussia

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