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USD 100 /hr
Hire Siddharth M.
USD 100 /hr

Research professional in the computational sciences (8+ years) | Optics, microscopy, physics, simulations, software

Profile Summary
Subject Matter Expertise
Services
Writing Technical Writing
Research Scientific and Technical Research, Systematic Literature Review
Consulting Scientific and Technical Consulting
Data & AI Statistical Analysis, Image Processing, Image Analysis, Algorithm Design-Non ML, Data Visualization
Work Experience

Research Scientist

KLA (United States)

November 2022 - Present

Staff Scientist

Argonne National Laboratory

October 2019 - September 2022

Post-doctoral researcher

Argonne National Laboratory

January 2017 - September 2019

Education

PhD (Physics)

Carnegie Mellon University

August 2009 - May 2016

Certifications
  • Certification details not provided.
Publications
JOURNAL ARTICLE
Siddharth Maddali, Travis D. Frazer, Nazar Delegan, Katherine J. Harmon, Sean E. Sullivan, Marc Allain, Wonsuk Cha, Alan Dibos, Ishwor Poudyal, Saugat Kandel, et al. (2023). Concurrent multi-peak Bragg coherent x-ray diffraction imaging of 3D nanocrystal lattice displacement via global optimization . npj Computational Materials.
N. Bertaux, M. Allain, J. Weizeorick, J.-S. Park, P. Kenesei, S. D. Shastri, J. Almer, M. J. Highland, S. Maddali, S. O. Hruszkewycz (2021). Sub-pixel high-resolution imaging of high-energy x-rays inspired by sub-wavelength optical imaging . Optics Express.
Saugat Kandel, S. Maddali, Youssef S. G. Nashed, Stephan O. Hruszkewycz, Chris Jacobsen, Marc Allain (2021). Efficient ptychographic phase retrieval via a matrix-free Levenberg-Marquardt algorithm . Optics Express.
Siddharth Maddali, Matthew J. Wilkin, Stephan O. Hruszkewycz, Anastasios Pateras, Richard L. Sandberg, Ross Harder, Wonsuk Cha, Robert M. Suter, Anthony D. Rollett(2021). Experimental demonstration of coupled multi-peak Bragg coherent diffraction imaging with genetic algorithms . Physical Review B. 103. (21). American Physical Society ({APS})
Siddharth Maddali, Marc Allain, Peng Li, Virginie Chamard, Stephan O. Hruszkewycz(2020). Detector Tilt Considerations in Bragg Coherent Diffraction Imaging: A Simulation Study . Crystals. 10. (12). p. 1150. {MDPI} {AG}
Siddharth Maddali, Yue Cao, Dina Sheyfer, Zhang Jiang, Hoydoo You, Bi-Xia Wang, Zuo-Guang Ye, Eric M. Dufresne, Hua Zhou, G. Brian Stephenson, et al.(2020). The Effect of Intensity Fluctuations on Sequential X-ray Photon Correlation Spectroscopy at the X-ray Free Electron Laser Facilities . Crystals. 10. (12). p. 1109. {MDPI} {AG}
S. Maddali, J.-S. Park, H. Sharma, S. Shastri, P. Kenesei, J. Almer, R. Harder, M. J. Highland, Y. Nashed, S. O. Hruszkewycz (2020). High-Energy Coherent X-Ray Diffraction Microscopy of Polycrystal Grains: Steps Toward a Multiscale Approach . Physical Review Applied.
Li, P., Maddali, S., Pateras, A., Calvo-Almazan, I., Hruszkewycz, S.O., Cha, W., Chamard, V., Allain, M.(2020). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging. Part II . Journal of Applied Crystallography. 53. p. 404-418.
Li, P., Maddali, S., Pateras, A., Calvo-Almazan, I, Hruszkewycz, S. O., Cha, W., Chamard, V, Allain, M. (2020). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging. Part II . Journal of Applied Crystallography.
Maddali, S., Li, P., Pateras, A., Timbie, D., Delegan, N., Crook, A.L., Lee, H., Calvo-Almazan, I., Sheyfer, D., Cha, W., et al.(2020). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging. Part i . Journal of Applied Crystallography. 53. p. 393-403.
Maddali, S., Li, P., Pateras, A., Timbie, D., Delegan, N., Crook, A. L., Lee, H., Calvo-Almazan, I, Sheyfer, D., Cha, W., et al. (2020). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging. Part I . Journal of Applied Crystallography.
Siddharth Maddali, Irene Calvo-Almazan, Andrew P. Ulvestad, Eric Colegrove, Tursun Ablekim, Martin V. Holt, Megan O. Hill, Lincoln J. Lauhon, Mariana I. Bertoni, Xiaojing Huang, et al.(2019). Strain Mapping of CdTe Grains in Photovoltaic Devices . IEEE Journal of Photovoltaics. 9. (6). p. 1790--1799. Institute of Electrical and Electronics Engineers ({IEEE})
Saugat Kandel, S. Maddali, Marc Allain, Stephan O. Hruszkewycz, Chris Jacobsen, Youssef S. G. Nashed (2019). Using automatic differentiation as a general framework for ptychographic reconstruction . Optics Express.
Krishnamurthy, N. and \textbf{S. Maddali} and Hawk, J. A. and Romanov, V. N.(2019). 9Cr steel visualization and predictive modeling . Computational Materials Science.
Krishnamurthy, N., Maddali, S., Hawk, J.A., Romanov, V.N.(2019). 9Cr steel visualization and predictive modeling . Computational Materials Science. 168. p. 268-279.
Calvo-Almazán, I., Allain, M., Maddali, S., Chamard, V., Hruszkewycz, S.O.(2019). Impact and mitigation of angular uncertainties in Bragg coherent x-ray diffraction imaging . Scientific Reports. 9. (1).
Calvo-Almazan, I, Allain, M., Maddali, S., Chamard, V, Hruszkewycz, S. O. (2019). Impact and mitigation of angular uncertainties in Bragg coherent x-ray diffraction imaging . Scientific Reports.
Shen, Y.-F., Maddali, S., Menasche, D., Bhattacharya, A., Rohrer, G.S., Suter, R.M.(2019). Importance of outliers: A three-dimensional study of coarsening in α -phase iron . Physical Review Materials. 3. (6).
Maddali, Siddharth, Calvo-Almazan, Irene, Ulvestad, Andrew P., Colegrove, Eric, Ablekim, Tursun, Holt, Martin V., Hill, Megan O., Lauhon, Lincoln J., Bertoni, Mariana I., Huang, Xiaojing, et al. (2019). Strain Mapping of CdTe Grains in Photovoltaic Devices . IEEE Journal of Photovoltaics.
Calvo-Almazan, I., Huang, X., Yan, H., Nazaretski, E., Chu, Y.S., Hruszkewycz, S.O., Stuckelberger, M.E., Ulvestad, A.P., Colegrove, E., Ablekim, T., et al.(2019). Strain Mapping of CdTe Grains in Photovoltaic Devices . IEEE Journal of Photovoltaics. 9. (6). p. 1790-1799.
(2019). Importance of outliers: A three-dimensional study of coarsening in $α$-phase iron . Phys. Rev. Materials.
(2019). Multimodal X-ray imaging of grain-level properties and performance in a polycrystalline solar cell . Journal of Synchrotron Radiation.
Kandel, S., Maddali, S., Allain, M., Hruszkewycz, S.O., Jacobsen, C., Nashed, Y.S.G.(2019). Using automatic differentiation as a general framework for ptychographic reconstruction . Optics Express. 27. (13). p. 18653-18672.
Ulvestad, A., Hruszkewycz, S.O., Holt, M.V., Hill, M.O., Calvo-Almazán, I., Maddali, S., Huang, X., Yan, H., Nazaretski, E., Chu, Y.S., et al.(2019). Multimodal X-ray imaging of grain-level properties and performance in a polycrystalline solar cell . Journal of Synchrotron Radiation. 26. p. 1316-1321.
Shen, Yu-Feng, Maddali, S., Menasche, D., Bhattacharya, A., Rohrer, G. S., Suter, R. M. (2019). Importance of outliers: A three-dimensional study of coarsening in alpha-phase iron . Physical Review Materials.
(2019). Phase retrieval for Bragg coherent diffraction imaging at high x-ray energies . Phys. Rev. A.
Ulvestad, A., Hruszkewycz, S. O., Holt, M. V., Hill, M. O., Calvo-Almazan, I., Maddali, S., Huang, X., Yan, H., Nazaretski, E., Chu, Y. S., et al. (2019). Multimodal X-ray imaging of grain-level properties and performance in a polycrystalline solar cell . Journal of Synchrotron Radiation.
Maddali, S., Allain, M., Cha, W., Harder, R., Park, J.-S., Kenesei, P., Almer, J., Nashed, Y., Hruszkewycz, S.O.(2019). Phase retrieval for Bragg coherent diffraction imaging at high x-ray energies . Physical Review A. 99. (5).
Maddali, Siddharth, Krishnamurthy, Narayanan, Hawl, Jeffrey A., Romanov, Vyacheslav N. (2019). 9Cr steel visualization and predictive modeling . Computational Materials Science.
(2019). Using automatic differentiation as a general framework for ptychographic reconstruction . Opt. Express.
Kandel, Saugat, Maddali, S., Allain, Marc, Hruszkewycz, Stephan O., Jacobsen, Chris, Nashed, Youssef S. G. (2019). Using automatic differentiation as a general framework for ptychographic reconstruction . Optics Express.
Maddali, S., Allain, M., Cha, W., Harder, R., Park, J-S, Kenesei, P., Almer, J., Nashed, Y., Hruszkewycz, S. O. (2019). Phase retrieval for Bragg coherent diffraction imaging at high x-ray energies . Physical Review A.
(2019). Impact and mitigation of angular uncertainties in Bragg coherent x-ray diffraction imaging . Scientific Reports.
S. Maddali, I. Calvo-Almazan, J. Almer, P. Kenesei, J.-S. Park, R. Harder, Y. Nashed, S. O. Hruszkewycz (2018). Sparse recovery of undersampled intensity patterns for coherent diffraction imaging at high X-ray energies . Scientific Reports.
Hruszkewycz, S. O. and Maddali, S. and Anderson, C. P. and Cha, W. and Miao, K. C. and Highland, M. J. and Ulvestad, A. and Awschalom, D. D. and Heremans, F. J.(2018). Strain annealing of SiC nanoparticles revealed through Bragg coherent diffraction imaging for quantum technologies . Phys. Rev. Materials. 2. p. 086001. American Physical Society
Hruszkewycz, S.O., Maddali, S., Anderson, C.P., Cha, W., Miao, K.C., Highland, M.J., Ulvestad, A., Awschalom, D.D., Heremans, F.J.(2018). Strain annealing of SiC nanoparticles revealed through Bragg coherent diffraction imaging for quantum technologies . Physical Review Materials. 2. (8).
(2018). Sparse recovery of undersampled intensity patterns for coherent diffraction imaging at high X-ray energies . Scientific Reports.
Maddali, S., Calvo-Almazan, I., Almer, J., Kenesei, P., Park, J.-S., Harder, R., Nashed, Y., Hruszkewycz, S.O.(2018). Sparse recovery of undersampled intensity patterns for coherent diffraction imaging at high X-ray energies . Scientific Reports. 8. (1).
(2018). Strain annealing of SiC nanoparticles revealed through Bragg coherent diffraction imaging for quantum technologies . Phys. Rev. Materials.
Hruszkewycz, S. O., Maddali, S., Anderson, C. P., Cha, W., Miao, K. C., Highland, M. J., Ulvestad, A., Awschalom, D. D., Heremans, F. J. (2018). Strain annealing of SiC nanoparticles revealed through Bragg coherent diffraction imaging for quantum technologies . Physical Review Materials.
Maddali, S., Calvo-Almazan, I., Almer, J., Kenesei, P., Park, J. -S., Harder, R., Nashed, Y., Hruszkewycz, S. O. (2018). Sparse recovery of undersampled intensity patterns for coherent diffraction imaging at high X-ray energies . Scientific Reports.
(2017). Predictive analysis of the influence of the chemical composition and pre-processing regimen on structural properties of steel alloys using machine learning techniques. Bulletin of the American Physical Society.
Highland, M. J., Hruszkewycz, S. O., Fong, D. D., Thompson, Carol, Fuoss, P. H., Calvo-Almazan, I., Maddali, S., Ulvestad, A., Nazaretski, E., Huang, X., et al. (2017). <i>In</i>-<i>situ</i> synchrotron x-ray studies of the microstructure and stability of In<sub>2</sub>O<sub>3</sub> epitaxial films . Applied Physics Letters.
(2017). In-situ synchrotron x-ray studies of the microstructure and stability of In2O3 epitaxial films . Applied Physics Letters.
(2017). Segmentation of 9Cr Steel Samples based on Composition and Mechanical Property. Bulletin of the American Physical Society.
Highland, M.J., Hruszkewycz, S.O., Fong, D.D., Thompson, C., Fuoss, P.H., Calvo-Almazan, I., Maddali, S., Ulvestad, A., Nazaretski, E., Huang, X., et al.(2017). In-situ synchrotron x-ray studies of the microstructure and stability of In<inf>2</inf>O<inf>3</inf> epitaxial films . Applied Physics Letters. 111. (16).
Maddali, Siddharth, Renversade, Loic, Quey, Romain, Ludwig, Wolfgang, Menasche, David, Suter, Robert M., Borbely, Andras (2016). Comparison between diffraction contrast tomography and high-energy diffraction microscopy on a slightly deformed aluminium alloy . IUCrJ.
Maddali, S., Ta&#39;asan, S., Suter, R. M. (2016). Topology-faithful nonparametric estimation and tracking of bulk interface networks . Computational Materials Science.
Renversade, L., Quey, R., Ludwig, W., Menasche, D., Maddali, S., Suter, R.M., Borb&#233;ly, A.(2016). Comparison between diffraction contrast tomography and high-energy diffraction microscopy on a slightly deformed aluminium alloy . IUCrJ. 3. p. 32-42.
(2016). Comparison between diffraction contrast tomography and high-energy diffraction microscopy on a slightly deformed aluminium alloy . IUCrJ.
(2016). Computational Mining of Meso-Scale Physics From High-Energy X-Ray Data Sets. PhD thesis.
Maddali, S., Ta&#39;asan, S., Suter, R.M.(2016). Topology-faithful nonparametric estimation and tracking of bulk interface networks . Computational Materials Science. 125. p. 328-340.
S. Maddali and S. Ta’asan and R.M. Suter(2016). Topology-faithful nonparametric estimation and tracking of bulk interface networks . Computational Materials Science. 125. p. 328 - 340.
(2016). Topology-faithful nonparametric estimation and tracking of bulk interface networks . Computational Materials Science.
(2016). Comparison between diffraction contrast tomography and high-energy diffraction microscopy on a slightly deformed aluminium alloy . Journal of the International Union of Crystallography (IUCrJ).
OTHER
(2019). High-energy coherent X-ray diffraction microscopy of polycrystal grains: first steps towards a multi-scale approach . arXiv e-prints.
(2019). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging: Part 2.
(2019). Strain mapping of CdTe grains in photovoltaic devices.
(2019). General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging: Part 1.
N. Krishnamurthy and \textbf{S. Maddali} and A. Verma and L. Bruckman and J. Carter and R. Frenchand V. Romanov and J. Hawk(2017). Data analytics for alloy qualification . NETL Technical Report Series, US Department of Energy. (NETL-PUB-21550). p. 46. US Department of Energy
REPORT
(2017). Data analytics for alloy qualification . NETL Technical Report Series, US Department of Energy.