Sitemap
A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
Pages
Posts
Future Blog Post
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Blog Post number 4
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 3
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 2
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 1
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
portfolio
Portfolio item number 1
Short description of portfolio item number 1
Portfolio item number 2
Short description of portfolio item number 2
publications
Access to Ultrafast Surface and Interface Carrier Dynamics Simultaneously in Space and Time
J. Zhao, R. O. Nughays, O. M. Bakr, O. F. Mohammed, Journal of Physical Chemistry C 125, 14495–14516 (2021).
Crystallographic Orientation-Dependent Photoresponse of Planar Cadmium Telluride X-ray Detectors
L. Wang, R. O. Nughays, X. Song, T. Bian, M. N. Hedhili, J. Yin, O. M. Bakr, O. F. Mohammed, Cell Reports Physical Science 4, 101723 (2023).
Visualization of Charge Carrier Diffusion Lengths in Perovskite Single Crystals
Poster Presentation — SPIE Photonics West, 2023. Conference proceeding demonstrating direct real-space visualization of surface carrier diffusion lengths in single-crystal perovskites using ultrafast electron imaging.
Visualization of Surface Charge Carrier Diffusion Lengths in Different Perovskite Crystal Orientations Using 4D Electron Imaging
R. O. Nughays, C. Yang, S. Nematulloev, J. Yin, G. T. Harrison, J. Zhao, S. Fatayer, O. M. Bakr, O. F. Mohammed, Advanced Optical Materials (2023).
Real-space Mapping of Carrier Dynamics in CdTe Crystals: From 4D Electron Imaging to X-ray Detectors
Poster Presentation — International Microscopy Congress (IMC-20), 2023. Poster presentation demonstrating real-space visualization of carrier transport in CdTe crystals using 4D ultrafast electron microscopy and its implications for X-ray detector performance.
Mapping Surface Defects and Ion Migration in Mixed-Cation Perovskite Crystals
R. O. Nughays, K. Almasabi, S. Nematulloev, L. Wang, T. Bian, I. Nadinov, B. Irziqat, G. T. Harrison, S. Fatayer, J. Yin, O. M. Bakr, O. F. Mohammed, Advanced Science (2024).
Leveraging 4D-USEM in Probing Charge Carriers at the Surface of Single-Crystal Perovskites
Oral Presentation — MRS Fall Meeting, 2024. Oral presentation demonstrating how four-dimensional ultrafast scanning electron microscopy (4D-USEM) enables direct visualization of surface-specific carrier dynamics and interfacial transport in single-crystal perovskites.
Spatiotemporal Imaging of Photogenerated Charge Carriers in Optoelectronic Materials
L. Wang, R. O. Nughays, O. F. Mohammed, Matter (2025).
Visualizing and Modulating the Surface Carrier Dynamics of Tellurium–Selenium Nanocomposites
R. O. Nughays,, C. Xing, G. Deokar, N. Wehbe, Y. Zhang, P. Maity, S. Nematulloev, L. Gutiérrez-Arzaluz, A. M. El-Zohry, S. Zhang, J. Li, X. Fu, J. Zhao, Journal of Physical Chemistry C (2025).
talks
Talk 1 on Relevant Topic in Your Field
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This is a description of your talk, which is a markdown file that can be all markdown-ified like any other post. Yay markdown!
Conference Proceeding talk 3 on Relevant Topic in Your Field
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This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.
teaching
Teaching experience 1
Undergraduate course, University 1, Department, 2014
This is a description of a teaching experience. You can use markdown like any other post.
Teaching experience 2
Workshop, University 1, Department, 2015
This is a description of a teaching experience. You can use markdown like any other post.