Research Assistant Electrical

Mathbar Singh Raut

Vermillion, South Dakota, USA

303-***-**** *************@*****.***

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Summary

• A dynamic and self-motivated semiconductor device physicist running projects in a team environment utilizing zone refiner, crystal growing furnace, sputtering system, detector fabrication and design of experiments (DOE) to produce high-quality results with a Ph.D. and 7+ years of experience focused on semiconductor physics and detector fabrication.

• Hold analytical and technical skills in designing, processing, and characterizing semiconductor devices in a cleanroom environment utilizing wet etching, drying and semiconductor analyzer. Technical Skills

• Semiconductor device characterization

(resistance, hall mobility, output

characteristics, transfer characteristics,

impedance, noise, etc.)

• Experienced in handling electrical and

optical instruments (Sputtering system

(Model 2400), Crystal growing furnace,

GRANITE 1324 MX, OLYMPUS BX 40,

ECOPIA Hall Effect Measurement

System, Zone refiner (CETC 46), DW

Slicing System etc.)

• Crystal characterization (ECOPIA Hall Effect

Measurement System, Desktop X-Ray

Orientation Machine, OLYMPUS BX 40)

• 7+ years cleanroom experience

• Troubleshoot and maintenance of

mechanical and electrical instruments

• Setup and align optical table and laser

• Substrate cleaning (glass, germanium

wafers, and single crystal)

• Chemical Anodization

• Wet etching (HF: HCl= 1:4)

Computer Skills and Data Analysis

• Data acquisition and statistical analysis utilizing MATLAB, R, Python, and Excel

• Experienced in AutoCAD to design mask layout

• Knowledge of geant4 simulation

Education

• Ph.D. in Physics, University of South Dakota, Vermillion, SD, USA (GPA 3.85/4) May 2023

(Experimental research: Development of Advanced Low-Energy Threshold Detector for Rare-Event Physics)

• MS in Physics, University of Louisiana at Lafayette, Lafayette, LA, USA (GPA 3.09/4) May 2016

(Experimental Research: Absorption and dispersion in Venus’ lower and middle atmosphere)

• MSc. In Physics, Tribhuvan University, Kirtipur, Kathmandu, Nepal (First Division) June 2009 Language

• English (Fluent), Hindi (Fluent), Urdu (Advanced), Nepali (Fluent) Mathbar Singh Raut 1

Work Experience

Graduate Teaching / Research Assistant 2017- Present University of South Dakota

• Utilized wet etching (HF: HCl=1:4) to clean germanium, and ECOPIA Hall Effect System to characterize samples resulted in one peer-reviewed publication.

• Handled crystal growing furnace to grow germanium single crystals. Characterized thin wafers utilizing ECOPIA Hall Effect Measurement System.

• Characterized semiconductor devices utilizing various electrical instruments to obtain electrical characteristics of samples such as output characteristics, transfer characteristics, IV, CV etc. Analyzed optoelectronic device performance under the laser and low-temperature setup.

• Solved most critical problems in germanium crystals such as finding the charge transport in the crystals with utilizing magnetic field and electric field and computational tools reflected in various research outcomes.

• Analyzed data with python, MATLAB, Excel, and utilized statistical tools to validate the experiments.

• Developed strong communication skills in oral and written to present scientific works demonstrated in conferences and classrooms.

Teaching / Research Assistant Aug 2014 -2016

Department of Physics, University of Louisiana at Lafayette

• Managed various classes in a team environment.

• Used MATLAB to study absorption and dispersion in Venus’ lower and middle atmosphere resulted in one peer-reviewed paper.

Publications / Presentations

• M-S Raut, H Mei, D-M Mei, S Bhattarai, W-Z Wei, R Panth, P Acharya, G-J Wang

“Characterization of high-purity germanium (Ge) crystals for developing novel Ge detectors”, Journal of Instrumentation, T10010, 2020

• Mathbar S Raut, Andi Petculescu “Absorption and dispersion in Venus' lower and middle atmosphere”, The Journal of the Acoustical Society of America, 2015.

• Mathbar Raut, Sanjay Bhattarai, Hao Mei, Dongming Mei “Development of high-resolution InSb detectors at USD”, APS meeting 2022.

• Mathbar Raut, Sanjay Bhattarai, Dongming Mei “Novel Ge Detectors in Exploring Geo- Neutrinos”, APS April Meeting, 2021.

Sports / Activities

• Winner of the Inter College Volleyball Championship, 2019

• Vice-president, USD Physics Club, Vermillion, SD, 2021- Present Mathbar Singh Raut 2

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