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Latest developments and characterisation results of the MALTA sensors in TowerJazz 180nm for the High Luminosity LHC

  • Abhishek Sharma
  • , Phil Allport
  • , Ignacio Asensi
  • , Ivan Berdalovic
  • , Daniela Bortoletto
  • , Craig Buttar
  • , Roberto Cardella
  • , Florian Dachs
  • , Valerio Dao
  • , Dominik Dobrijevic
  • , Mateusz Dyndal
  • , Leyre Flores
  • , Patrick Freeman
  • , Andrea Gabrielli
  • , Laura Gonella
  • , Matt LeBlanc
  • , Kaan Oyulmaz
  • , Heinz Pernegger
  • , Francesco Piro
  • , Petra Riedler
  • Milou van Rijnbach, Heidi Sandaker, Carlos Solans, Walter Snoeys, Tomislav Suligoj, Jose Torres, Steven Worm

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

The MALTA sensors are Depleted Monolithic Active Pixel Sensors (DMAPS) made using 180nm TowerJazz CMOS technology. These have been iteratively designed towards achieving a high radiation tolerance for applications such as in the outer layers of the HL-LHC's ATLAS Inner Tracker. To date several design enhancements have been implemented to attain a high time resolution (<2ns), granularity as well as achieving excellent charge collection efficiency uniformly across the pixel geometries. This technology promises to drastically cut the production cost of silicon sensors due to their monolithic design, bypassing the costly stage of bump bonding in hybrid sensors. This talk will provide a detailed overview of the comprehensive characterisation studies conducted on the MALTA and Mini-MALTA sensors as well as present newer functionalities being introduced in the latest iteration, the MALTA2.

Original languageEnglish
Article number818
JournalProceedings of Science
Volume398
StatePublished - 2021
Event2021 European Physical Society Conference on High Energy Physics, EPS-HEP 2021 - Virtual, Online, Germany
Duration: Jul 26 2021Jul 30 2021

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