With current and former group members coming from 3 continents and 7 different countries, we enjoy the diverse perspective this brings to the group. We welcome everyone of different backgrounds and identities.
Current Group

Farida Selim
Principal Investigator
Assistant Professor, Department of Physics and Astronomy, Center for Photochemical Sciences, Bowling Green State University, Overman Hall 172

Petr Stepanov
PhD student
Works with Lifetime and Doppler positron spectroscopy. Desktop and web software development.

Sahil Agarwal
PhD student
Works with photoluminescence and thermoluminescence experimnents. Currently working with transparent ceramics and nanopowders.

Armando Hernandez
PhD student
Fluorescence. Fluorescence Imaging. Luminescence. Optical Materials.

Minhazul Islam
PhD student
Application of Thermoluminiscence (TL) Spectroscopy and Hall effect measurements on semiconductor materials.
Visiting Collaborators

Le Zhang
Jiangsu Normal University
Luminescence, Luminescent Materials, Perovskites.

Former Members

David Winarski
PhD. Graduated 2019.
Hall effect and x-ray diffraction. MAnufacturing and studying ZnO thin films. Hockey coach.

Pooneh Saadatkia
PhD. Graduated 2019.
Responsible for thermoluminescence experiments. Investigates SrTiO3 semiconductors.

Naresh Adhikari
MS. Graduated 2019.
Defect studies. Lifetime and Doppler positron spectroscopy.

Prabin Dulal
MS. Graduated 2019.
Hall effect measurements and photoconductivity studies.


Micah Haseman
MS. Graduated 2017.
Materials. Electronic Structure. Chemical Physics. Applied and Experimental Physics.

Benjamin Hardy
MS. Graduated 2017.
Imaging. Magnetic Resonance. Medical Imaging. Diffusion Magnetic Resonance Imaging.

Anthony Colosimo
MS. Graduated 2017.
Material Characterization. Thin Films and Nanotechnology.


Sunil Thapa
MS. Graduated 2016.
Machine Learning. SQL. MATLAB. Optics and Photonics.
Group Alumni

Amin Kham → Jianfeng Ji → Chris Varney

Kim Heiner → Farida Selim → Autumn Pratt

Autumn Pratt → Kim Heiner → Jianfeng Ji

Frederick Chen presents his poster at SURCA 2012

Jianfeng Ji → Frederick Chen → Chris Varney → John Buscher

Back: Chris Varney → Autumn Pratt → John Buscher → Frederick Chen
Front: David Mackay → Farida Selim → Jianfeng Ji