About

My name is Frank Ceballos and I have expertise in experimental laser physics, medical physics, and machine learning systems. In this site, you will find post about data visualization, data analysis, and machine learning. My main to go language is Python and am familiar with packages such as numpy, pandas, matplotlib, seaborn, plotly, dash, keras, scikit-learn, tensorflow, folium, pyspark, and many more.

Everyday, I help others build, test, and deploy applications in Red Hat OpenShift Container Platform, write technical documentation for IT, as well as bring new technologies into the corporation such as Apache Airflow, JupyterHub, and Code Servers. Most of my data science related publications can be found in my Medium homepage.

Below you will find my formal education, presentations, and publications. You are welcome to contact me on LinkedIn


Education

University of Kansas (2017)
Ph.D. in Physics

The University of Texas at Brownsville (2012)
B.S. Physics


Presentations

Frank Ceballos, Sara Lim, Jingqiao Zhang, Haidy Nasief, Zhiwu Wang, Ergun Ahunbay, X. Allen Li, A Machine Learning Based Approach for Fast and Automated Plan Quality Evaluation for Online Adaptive Radiation Therapy, Talk presented at: American Society of Radiation Oncology, 2019 September 15, Chicago, IL.

Frank Ceballos, Sara Lim, Jingqiao Zhang, Haidy Nasief, Zhiwu Wang, Ergun Ahunbay, X. Allen Li, Automated Plan Quality Ranking for Online Adaptive Radiation Therapy, Poster presented at: American Association of Physicist in Medicine 61 Annual Meeting and Exhibition, 2019 July 14, San Antonio, TX.

Frank Ceballos, Interlayer Charge Transfer in van der Waals Heterostructures Formed by Transition Metal Dichalcogenide Monolayers, Talk presented at: Oregon Center for Optical Molecular and Quantum Science, 2017 April 24, Eugene, OR. Frank Ceballos, Interlayer Charge Transfer in van der Waals Heterostructures Formed by Transition Metal Dichalcogenide Monolayers, Ph.D. Defense, 2017 April 21, Lawrence, KS.

Frank Ceballos, Interlayer Charge Transfer in van der Waals Heterostructures Formed by Transition Metal Dichalcogenide Monolayers, Talk presented at: Intel, 2017 March, Hillsboro, OR.

Frank Ceballos, Ming-Gang Ju, Samuel D. Lane, Xiao Cheng Zeng, and Hui Zhao, Ultrafast and Coherent Electron Transport in a van der Waals Tri-Layer: MoS2-WS2-MoSe2, Poster session presented to the EPSCoR Research Infrastructure Improvement (RII) Track 2 External Advisory Panel, 2016 September 12, Lincoln, NE.

Frank Ceballos, Matt. Z. Bellus, Hsin-Ying Chiu, and Hui Zhao, Ultrafast Charge Separation and Indirect Exciton Formation in Two van der Waals Heterostructures, Poster session presented at: Fundamental Optical Processes in Semiconductors, 2015 August 2-7, Breckenridge, CO.

Frank Ceballos, Lindy L. Blackburn, and Jonah Kanner, An Update: Gravitational Wave Galaxy Catalogue for the Rapid Search of Electromagnetic Counterparts from Gravitational Waves, Poster session presented at: 2012 Summer Intern Poster Session, 2012 July 25, Greenbelt, MD.

Frank Ceballos, Alexander Stroeer, and Matthew Benacquista, Observing SNe Ia Progenitors with LISA, Poster session presented at: Emerging Researchers National Conference in STEM, 2012 February 23-25; Atlanta, GA.

Frank Ceballos, Alexander Stroeer, and Matthew Benacquista, Observing SNe Ia Progenitors with LISA, Poster session presented at: 219 American Astronomical Society Meeting, 2012 January 8-12; Austin, TX.

Frank Ceballos and Alexander Demkov, Calculating the Phonon Dispersion Curve From First Principles, Poster session presented at: Joint Fall 2011 Meeting of the Texas Sections of the APS, 2011 October 6-8, Commerce, TX.

Frank Ceballos and Matthew Benacquista, Preliminary Results For the Distribution of Observable Pulsars Within the Galaxy, Poster session presented at: Joint Fall 2010 Meeting of the Texas Sec- tions of the APS, 2010 October 21-23, San Antonio, TX.


Publications

  1. Peymon Zereshki, Yaqing Wei, Frank Ceballos, Matthew Z. Bellus, Samuel D. Lane, Shudi Pan, Run Long*, and Hui Zhao*, Photocarrier Dynamics in Monolayer Phosphorene and Bulk Black Phosphorus, Nanoscale (2018)

  2. Frank Ceballos, Peymon Zereshki, and Hui Zhao, Separating Electrons and Holes by Monolayer Increments in van der Waals Heterostructures, Physical Review Materials 1 (2017)

  3. Frank Ceballos, Ming-Gang Ju, Samuel D. Lane, Xiao Cheng Zeng, and Hui Zhao, Highly Efficient and Anomalous Charge Transfer in van der Waals Trilayer Semiconductors, Nano Letters (2017)

  4. Shudi Pan, Frank Ceballos, Matthew Z. Bellus, Peymon Zereshki, and Hui Zhao, Ultrafast Charge Transfer Between MoTe2 and MoS2 Monolayers, 2D Materials 4, 015033 (2016).

  5. Frank Ceballos and Hui Zhao, Ultrafast Laser Spectroscopy of Two-Dimensional Materials Beyond Graphene (Feature Article), Advanced Functional Materials (2016).

  6. Matthew Z. Bellus, Ming Li, Samuel D. lane, Frank Ceballos, Qiannan Cui, Xiao Cheng Zeng, and Hui Zhao, Type-I van der Waals heterostructure Formed by MoS2 and ReS2 Monolayers, Nanoscale Horizons, (2016).

  7. Xufan Li, Alexander A. Puretzky, Xiahan Sang, Santosh KC, Mengkun Tian, Frank Ceballos, Masoud Mahjouri-Samani, Kai Wang, Raymond R. Unocic, Hui Zhao, Christopher M. Rouleau, David B. Geohegan, Kai Xiao, Suppression of Defects and Deep Levels Using Isoelectronic Tungsten Alloying in Monolayer MoSe2, Advanced Functional Materials (2016).

  8. Kai Wang, Bing Huang, Mengkun Tian, Frank Ceballos, Ming-Wei Lin Masoud Mahjouri-Samani, Abdelaziz Boulesbaa, Alexander Puretzky, Christopher Rouleau, Mina Yoon, Hui Zhao, Kai Xiao, Gerd Duscher, and David Geohegan, Interlayer Coupling in Twisted WSe2/WS2 Bilayer Het- erostructures Revealed by Optical Spectroscopy, ACS Nano 10, 6612-6622 (2016).

  9. Frank Ceballos, Qiannan Cui, Matthew Z. Bellus, and Hui Zhao, Exciton Formation in Monolayer Transition Metal Dichalcogenides, Nanoscale 8, 11681-11688 (2016).

  10. Frank Ceballos, Matthew Z. Bellus, Hsin-Ying Chiu, and Hui Zhao, Probing Charge Transfer Ex- citons in a MoSe2-WS2 van der Waals Heterostructure, Nanoscale 7, 17523-17528 (2015).

  11. Matthew Z. Bellus, Frank Ceballos, Hsin-Ying Chiu, and Hui Zhao, Tightly Bound Trions in Transition Metal Dichalcogenide Heterostructures, ACS Nano 9, 6459-6464 (2015).

  12. Jiaqi He, Dawei He, Yongsheng Wang, Qiannan Cui, Frank Ceballos, and Hui Zhao, Spatiotemporal Dynamics of Excitons in Monolayer and Bulk WS2, Nanoscale 7, 9526-9531 (2015).

  13. Frank Ceballos, Matthew Z. Bellus, Hsin-Ying Chiu, and Hui Zhao, Ultrafast Charge Separation and Indirect Exciton Formation in a MoS2-MoSe2 van der Waals Heterostructure, ACS Nano 8, 12717-12724 (2014).

  14. Qiannan Cui, Frank Ceballos, Nardeep Kumar, and Hui Zhao, Transient Absorption Microscopy of Monolayer and Bulk WSe2, ACS Nano 8, 2970-2976 (2014).

  15. Nardeep Kumar, Qiannan Cui, Frank Ceballos, Dawei He, Yongsheng Wang and Hui Zhao, Exciton Diffusion in Monolayer and Bulk MoSe2, Nanoscale 6, 4915-4949 (2014).

  16. Nardeep Kumar, Qiannan Cui, Frank Ceballos, Dawei He, Yongsheng Wang, Hui Zhao, Exciton- Exciton Annihilation in MoSe2 Monolayers, Physical Review B 89, 125427 (2014).

  17. Nardeep Kumar, Sina Najmaei, Qiannan Cui, Frank Ceballos, Pulickel M. Ajayan, Jun Lou, and Hui Zhao, Second Harmonic Microscopy of Monolayer MoS2, Physical Review B 87, 161403(R) (2013).

  18. Stroeer, Alexander, Matthew Benacquista, and Frank Ceballos, Detecting Double Degenerate Pro- genitors of SNe Ia with LISA, Proceedings of the International Astronomical Union 7.S281 (2011)