Essays about: "semiconductor detector"

Showing result 1 - 5 of 19 essays containing the words semiconductor detector.

1. 1. Structural analysis of HZO thin film and electrode using X-ray diffraction

   University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

   Author : Elliot Winsnes; [2024]
   Keywords : HZO; hafnia; hafnium dioxide; zirconium dioxide; ferroelectricity; ferroelectric; synchrotron radiation; X-ray diffraction; Physics and Astronomy;

   Abstract : Since its discovery in 2011, the ferroelectricity of thin films based on HfO2 has been studied intensively. In particular, thin films with a 1:1 ratio of HfO2 and ZrO2 (HZO) has been of great interest. The ferroelectricity arises from a non-centrosymmetric orthorhombic (o) phase of HZO whose prevalence is dependent on the processing conditions. READ MORE

3. 2. Evaluation of whole-body bone scans performed using a gamma camera with Cadmium Zinc Telluride detector

   University essay from

   Author : Victor Asp; [2022-01-13]
   Keywords : Medical physics; whole-body bone scans; gamma camera; Cadmium Zinc Telluride detector;

   Abstract : The bone scan is a common nuclear medicine imaging procedure that is mainly used for evaluating several oncological patient groups. A radioactive tracer, 99mTc -labelled diphosphonate, is injected intravenously and accumulates in the skeleton. The distribution of the tracer in the body is measured with a gamma camera 3 hours post-injection. READ MORE

4. 3. Aurora detector : Affordable device for detection of optical aurora

   University essay from Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)

   Author : hans Alin; [2022]
   Keywords : Aurora; Detection;

   Abstract : Aurora is a light phenomenon in the night sky that fascinates many people. This project has aimed to develop a detector that can send alerts to users and tell whether or not there is an aurora event. Many want to see the aurora, but not as many want to stay up all night to have the chance to see them. READ MORE

5. 4. Single Photon LSCM in the NIR Range

   University essay from KTH/Tillämpad fysik

   Author : Klara Wallenbro; [2022]
   Keywords : LSCM; NIR; SNSPD; LSCM; NIR; SNSPD;

   Abstract : In this thesis a near-infrared laser scanning confocal microscope (NIR-LSCM) is built to operate with optimal performance at 1550nm in combination with simultaneous LED light imaging at 970nm. For detection, a camera equipped with a complementary metal oxide semiconductor (CMOS) sensor and a superconducting nanowire single photon detector (SNSPD) are used for the LED part and the LSCM part, respectively. READ MORE

6. 5. Event-based High Resolution X-ray Imaging using Compton Coincidence Detection

   University essay from KTH/Medicinsk avbildning

   Author : Eva Bergström; [2021]
   Keywords : Photon counting CT; Compton scattering; Compton kinematics; coincidence detection; χ2 test; Fotonräknande CT; Compton-spridning; Compton-kinematik; sammanfallsdetektering; χ2 -test;

   Abstract : Research on photon counting detectors (PCDs) is focused on semiconductor materials, and silicon is a strong candidate to use in PCDs for photon counting computer tomography (CT). In a silicon detector, a significant portion of the counts is due to Compton scattering events. READ MORE