SwePub
Sök i SwePub databas

  Extended search

Träfflista för sökning "WFRF:(Danielsson H. O.) srt2:(2015-2019)"

Search: WFRF:(Danielsson H. O.) > (2015-2019)

  • Result 1-5 of 5
Sort/group result
   
EnumerationReferenceCoverFind
1.
  • Mindur, B, et al. (author)
  • Gas gain stabilisation in the ATLAS TRT detector
  • 2016
  • In: Journal of Instrumentation. - 1748-0221. ; 11:4
  • Journal article (peer-reviewed)abstract
    • The ATLAS (one of two general purpose detectors at the LHC) Transition Radiation Tracker (TRT) is the outermost of the three tracking subsystems of the ATLAS Inner Detector. It is a large straw-based detector and contains about 350,000 electronics channels. The performance of the TRT as tracking and particularly particle identification detector strongly depends on stability of the operation parameters with most important parameter being the gas gain which must be kept constant across the detector volume. The gas gain in the straws can vary significantly with atmospheric pressure, temperature, and gas mixture composition changes. This paper presents a concept of the gas gain stabilisation in the TRT and describes in detail the Gas Gain Stabilisation System (GGSS) integrated into the Detector Control System (DCS). Operation stability of the GGSS during Run-1 is demonstrated.
  •  
2.
  •  
3.
  • Bergsten, Johan, 1988, et al. (author)
  • AlGaN/GaN high electron mobility transistors with intentionally doped GaN buffer using propane as carbon precursor
  • 2016
  • In: Japanese Journal of Applied Physics. - : IOP Publishing. - 1347-4065 .- 0021-4922. ; 55:5
  • Journal article (peer-reviewed)abstract
    • AlGaN/GaN high electron mobility transistors (HEMTs) fabricated on a heterostructure grown by metalorganic chemical vapor deposition using an alternative method of carbon (C) doping the buffer are characterized. C-doping is achieved by using propane as precursor, as compared to tuning the growth process parameters to control C-incorporation from the gallium precursor. This approach allows for optimization of the GaN growth conditions without compromising material quality to achieve semi-insulating properties. The HEMTs are evaluated in terms of isolation and dispersion. Good isolation with OFF-state currents of 2 x 10(-6)A/mu m, breakdown fields of 70V/mu m, and low drain induced barrier lowering of 0.13mV/V are found. Dispersive effects are examined using pulsed current-voltage measurements. Current collapse and knee walkout effects limit the maximum output power to 1.3W/mm. With further optimization of the C-doping profile and GaN material quality this method should offer a versatile approach to decrease dispersive effects in GaN HEMTs. (C) 2016 The Japan Society of Applied Physics
  •  
4.
  •  
5.
  • Glasier, A, et al. (author)
  • Contraception after pregnancy
  • 2019
  • In: Acta obstetricia et gynecologica Scandinavica. - : Wiley. - 1600-0412 .- 0001-6349. ; 98:11, s. 1378-1385
  • Journal article (peer-reviewed)
  •  
Skapa referenser, mejla, bekava och länka
  • Result 1-5 of 5

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Close

Copy and save the link in order to return to this view