Fully Depleted Monolithic Active Microstrip Sensors: TCAD Simulation Study of an Innovative Design Concept.

Area of Science:

• Semiconductor Device Physics
• Particle Detector Technology
• Integrated Circuit Design

Background:

• Particle tracking and timing applications require high-resolution, cost-effective sensors.
• Existing technologies face limitations in integration, power consumption, and spatial resolution.
• The ARCADIA project aims to develop advanced sensor solutions.

Purpose of the Study:

• To present simulation studies of 10 μm pitch microstrips on fully depleted monolithic active CMOS technology.
• To evaluate the potential of Fully Depleted Monolithic Active Microstrip Sensors (FD-MAMS) for particle tracking and timing.
• To optimize sensor layout for enhanced performance and investigate radiation damage effects.

Main Methods:

• Technology Computer-Aided Design (TCAD) parametric simulations were performed.
• Sensor design and electrical characteristics were studied.
• The effects of surface radiation damage up to 10^5 krad were modeled.

Main Results:

• Simulations indicate promising performance in terms of timing and low power consumption.
• A 10 μm pitch enables high spatial resolution and monolithic integration of readout electronics.
• Optimized layout achieved low capacitance and fast charge collection.

Conclusions:

• FD-MAMS present a viable, cost-effective solution for particle tracking and timing.
• The simulated performance motivates further research and development.
• Experimental verification of test structures is planned for mid-2021.