1.
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Quad-module characterization with the MALTA monolithic pixel chip
/ Dachs, F (CERN) ; Zoubir, A M (Darmstadt, Tech. U.) ; Sharma, A (CERN) ; Solans Sanchez, C (CERN) ; Buttar, C M (Glasgow U.) ; Bortoletto, D (Oxford U.) ; Dobrijevic, D (Zagreb U.) ; Berlea, D -V (DESY) ; Charbon, E (Ecole Polytechnique, Lausanne) ; Piro, F (CERN) et al.
The MALTA silicon pixel detector combines a depleted monolithic active pixel sensor (DMAPS) with a fully asynchronous front-end and readout. It features a high granularity pixel matrix with a 36.4 μm symmetric pixel pitch, low power consumption of <1 μW/pixel and low material budget with detector thicknesses as little as 50 μm. [...]
2024 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1064 (2024) 169306
In : PSD13: The 13th International Conference on Position Sensitive Detectors, Oxford, United Kingdom, 3 - 9 Sep 2023, pp.169306
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2.
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Development of novel low-mass module concepts based on MALTA monolithic pixel sensors
/ Weick, J. (CERN ; Darmstadt, Tech. Hochsch.) ; Dachs, F. (CERN) ; Riedler, P. (CERN) ; Pinto, M. Vicente Barreto (Geneva U.) ; Zoubir, A.M. (Darmstadt, Tech. Hochsch.) ; de Acedo, L. Flores Sanz (CERN) ; Asensi Tortajada, I. (CERN) ; Dao, V. (CERN) ; Dobrijevic, D. (CERN ; Zagreb U.) ; Pernegger, H. (CERN) et al.
The MALTA CMOS monolithic silicon pixel sensors has been developed in the Tower 180 nm CMOS imaging process. It includes an asynchronous readout scheme and complies with the ATLAS inner tracker requirements for the HL-LHC. [...]
arXiv:2303.05792.-
2023-04-03 - 5 p.
- Published in : JINST 18 (2023) C04003
Fulltext: PDF;
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3.
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Development of a large-area, light-weight module using the MALTA monolithic pixel detector
/ Dachs, F (CERN) ; Allport, P (Birmingham U.) ; Asensi Tortajada, I (CERN) ; Berlea, D V (DESY) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Charbon, E (Ecole Polytechnique, Lausanne) ; Dao, V (CERN) ; Denizli, H (Abant Izzet Baysal U.) ; Dobrijevic, D (CERN ; Zagreb U.) et al.
The MALTA pixel chip is a 2 cm × 2 cm large monolithic pixel detector developed in the Tower 180 nm imaging process. The chip contains four CMOS transceiver blocks at its sides which allow chip-to-chip data transfer. [...]
2023 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1047 (2023) 167809
Fulltext: PDF;
In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022, pp.167809
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4.
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Depletion depth studies with the MALTA2 sensor, a depleted monolithic active pixel sensor
/ Berlea, D V (DESY, Zeuthen ; Humboldt U., Berlin) ; Allport, P (Birmingham U.) ; Asensi Tortajada, I (CERN) ; Behera, P (Indian Inst. Tech., Madras) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Dachs, F (CERN) ; Dao, V (CERN) ; Dash, G (Indian Inst. Tech., Madras) ; Dobrijevic, D (CERN ; Boskovic Inst., Zagreb) et al.
MALTA2 is a depleted monolithic active pixel sensor (DMAPS) developed in the Tower 180 nm CMOS imaging process. Monolithic CMOS sensors offer advantages over current hybrid imaging sensors both in terms of increased tracking performance due to lower material budget but also in terms of ease of integration and construction costs due to the monolithic design. [...]
2024 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1063 (2024) 169262
Fulltext: PDF;
In : 13th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Vancouver, Canada, 3 - 8 Dec 2023, pp.169262
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5.
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A 1$\mu$W Radiation-Hard Front-End in a 0.18-$\mu$m CMOS Process for the MALTA2 Monolithic Sensor
/ Piro, F (CERN ; Ecole Polytechnique, Lausanne) ; Allport, P (Birmingham U.) ; Asensi, I (CERN) ; Berdalovic, I (CERN ; U. Zagreb (main)) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Cardella, R (CERN ; U. Geneva (main)) ; Charbon, E (Montreal, Ecole Polytechnique) ; Dachs, F (CERN) ; Dao, V (CERN) et al.
In this article, a low-power, radiation-hard front-end circuit for monolithic pixel sensors, designed to meet the requirements of low noise and low pixel-to-pixel variability, the key features to achieve high detection efficiencies, is presented. The sensor features a small collection electrode to achieve a small capacitance (<5 fF) and allows full CMOS in-pixel circuitry. [...]
2022 - 11 p.
- Published in : IEEE Trans. Nucl. Sci.
- Published in : (2022)
Fulltext: PDF;
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6.
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Timing performance of radiation hard MALTA monolithic Pixel sensors
/ Gustavino, G. (CERN) ; Allport, P. (Birmingham U.) ; Asensi, I. (CERN) ; Berlea, D.V. (DESY, Zeuthen) ; Bortoletto, D. (U. Oxford (main)) ; Buttar, C. (Glasgow U.) ; Dachs, F. (CERN) ; Dao, V. (CERN) ; Denizli, H. (Abant Izzet Baysal U.) ; Dobrijevic, D. (CERN ; U. Zagreb (main)) et al.
The MALTA family of Depleted Monolithic Active Pixel Sensor (DMAPS) produced in Tower 180 nm CMOS technology targets radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radiation hardness up to $2 \times 10^{15}~1~\text{MeV}~\text{n}_{eq}/\text{cm}^2$ and time resolution below 2 ns, with uniform charge collection efficiency across the Pixel of size $36.4 \times 36.4~\mu\text{m}^2$ with a $3~\mu\text{m}^2$ electrode size. [...]
arXiv:2209.14676.-
2023-03-15 - 10 p.
- Published in : JINST
Fulltext: 2209.14676 - PDF; document - PDF;
In : 23rd International Workshop for Radiation Imaging Detectors, Riva Del Garda, It, 26 - 30 Jun 2022, pp.C03011
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7.
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Recent results with radiation-tolerant TowerJazz 180 nm MALTA sensors
/ LeBlanc, Matt (CERN) ; Allport, Phil (Birmingham U.) ; Asensi, Igancio (CERN) ; Berlea, Dumitru-Vlad (DESY, Zeuthen) ; Bortoletto, Daniela (Oxford U.) ; Buttar, Craig (Glasgow U.) ; Dachs, Florian (CERN) ; Dao, Valerio (CERN) ; Denizli, Haluk (Abant Izzet Baysal U.) ; Dobrijevic, Dominik (CERN ; Zagreb U.) et al.
To achieve the physics goals of future colliders, it is necessary to develop novel, radiation-hard silicon sensors for their tracking detectors. We target the replacement of hybrid pixel detectors with Depleted Monolithic Active Pixel Sensors (DMAPS) that are radiation-hard, monolithic CMOS sensors. [...]
arXiv:2209.04459.-
2022-10-11 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1041 (2022) 167390
Fulltext: PDF;
In : Vienna Conference on Instrumentation (VCI 2022), Online, Austria, 21 - 25 Feb 2022, pp.167390
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8.
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Development of the radiation-hard MALTA CMOS sensor for tracking applications
/ Gustavino, G (CERN) ; Allport, P (Birmingham U.) ; Asensi Tortajada, I (CERN) ; Behera, P (Indian Inst. Tech., Madras) ; Berlea, D V (DESY, Zeuthen) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Dachs, F (CERN) ; Dao, V (CERN) ; Dash, G (Indian Inst. Tech., Madras) et al.
The MALTA family of Depleted Monolithic Active Pixel Sensors (DMAPS) is produced using Tower 180 nm CMOS technology, specifically targeting radiation-hard applications in the HL-LHC and beyond. Several process modifications have resulted in radiation hardness up to ${3 \times 10^{15}~1 ~\text{MeV}~\text{n}_{\text{eq}} /\text{cm}^2}$ and time resolution below 2 ns, with uniform charge collection efficiency across the chip formed of $512 \times 224$ pixels with a size of $36.4 \times 36.4~\mu\text{m}^2$. [...]
2024 - 7 p.
- Published in : PoS VERTEX2023 (2024) 048
Fulltext: PDF;
In : 32nd International Workshop on Vertex Detectors (VERTEX 2023), Sestri Levante, Italy, 16 - 20 Oct 2023, pp.048
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9.
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MALTA3: Concepts for a new radiation tolerant sensor in the TowerJazz 180 nm technology
/ Dobrijević, Dominik (CERN ; U. Zagreb (main)) ; Allport, Phil (Birmingham U.) ; Asensi, Ignacio (CERN) ; Berlea, Dumitru-Vlad (DESY, Zeuthen) ; Bortoletto, Daniela (U. Oxford (main)) ; Buttar, Craig (Glasgow U.) ; Dachs, Florian (CERN) ; Dao, Valerio (CERN) ; Denizli, Haluk (Abant Izzet Baysal U.) ; Flores, Leyre (CERN) et al.
The upgrade of the MALTA DMAPS designed in Tower 180 nm CMOS Imaging process will implement the numerous modifications, as well as front-end changes in order to boost the charge collection efficiency after the targeted fluence of 1x10$^{15}$ 1 MeV$n_{eq}$/cm$^{2}$. The effectiveness of these changes have been demonstrated in recent measurements with a small-scale Mini-MALTA demonstrator chip. [...]
2022 - 3 p.
In : Vienna Conference on Instrumentation, Online, Online, 21 - 25 Feb 2022, pp.167226
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10.
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Radiation Hardness of MALTA2, a Monolithic Active Pixel Sensor for Tracking Applications
/ Berlea, D V (DESY, Zeuthen ; Humboldt U., Berlin (main)) ; Allport, P (Birmingham U.) ; Tortajada, I Asensi (CERN) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Charbon, E (Ecole Polytechnique, Lausanne) ; Dachs, F (CERN) ; Dao, V (CERN) ; Denizili, H (Abant Izzet Baysal U.) ; Dobrijevic, D (CERN) et al.
MALTA is a depleted monolithic active pixel sensor (DMAPS) developed in the Tower Semiconductor 180-nm CMOS imaging process. Monolithic CMOS sensors offer advantages over current hybrid imaging sensors in terms of both increased tracking performance due to lower material budget and ease of integration and construction costs due to the integration of read-out and active sensor into one ASIC. [...]
2023 - 7 p.
- Published in : IEEE Trans. Nucl. Sci. 70 (2023) 2303-2309
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