Publications

Journal

2017

2016

2015

2014

2013

2012

2011

2009

Conference

2017

  • S. Abbaszadeh and C. S. Levin, “Towards a high sensitivity small animal PET system based on CZT detectors,” SPIE Medical Imaging, to appear.
  • S. Abbaszadeh and H. Wu, “Automated location detection of injection site for preclinical stereotactic neurosurgery procedure,” SPIE Medical Imaging, to appear.

2016

  • S. Abbaszadeh and C. S. Levin, “3-D position sensitive CZT positron emission tomography system: current status,” Proc. Nuclear Science Symposium and Medical Imaging Conference (NSS-MIC), 2016.
  • S. Abbaszadeh and C. S. Levin, “Design and optimization of a new-generation CZT-based positron emission tomography system”, Proc. SPIE Optical Engineering, 2016.

2015

  • S. Abbaszadeh, G. Chinn, and C. S. Levin, “Effect of energy threshold in sub-mm resolution CZT-based PET system,” Proc. Nuclear Science Symposium and Medical Imaging Conference (NSS-MIC), 2015.
  • D. Vernekohl, S. Abbaszadeh, Y. Gu, and C. S. Levin, “Enhanced data analysis for improved energy resolution of a CZT-based PET system,” Proc. Nuclear Science Symposium and Medical Imaging Conference (NSS-MIC), 2015.

2014

  • S. Abbaszadeh, Y. Gu, U. Sikora, and C. S. Levin, “First acquisition of data from prototype 3-D position sensitive CZT PET system,” Proc. Nuclear Science Symposium and Medical Imaging Conference (NSS-MIC), 2014.
  • C. C. Scott, S. Abbaszadeh, S. Ghanbarzadeh, G. Allan, M. Farrier, and K. S. Karim, “Amorphous selenium direct detection CMOS digital X-ray imager with 25 micron resolution,” Proc. SPIE Medical Imaging, 2014.

2013

  • S. Abbaszadeh, S. Ghaffari, and K. S. Karim, “Investigation of electrical conduction in polyimide/amorphous selenium films under high electric fields,” 25th International Conference on Amorphous and Nanocrystalline Semiconductors, 2013.
  • S. Abbaszadeh, K. Wang, A. Reznik, J. A. Rowlands, and K. S. Karim, “Ion beam assisted deposition of a mixed cerium oxide hole blocking contact for multilayer amorphous selenium devices,” Canadian Semiconductor Science and Technology Conference, 2013.
  • (invited) S. Abbaszadeh, R. Keshavarzi, K. Wang, and K. S. Karim, “Indirect conversion digital X-ray imager using an amorphous selenium photoconductor,” 223rd Electrochemical Society Meeting, 2013.
  • S. Abbaszadeh, K. S. Karim, and V. Karanassios, “A low dark current a-Se detector for measurement microplasma emission in the UV for possible use on-site,” Proc. SPIE Defense, Security, and Sensing, 2013.
  • S. Abbaszadeh, Z. Du, N. Allec, and K. S. Karim, “Application of organic semiconductors in amorphous selenium based photodetectors for high performance X-ray imaging,” Proc. SPIE Medical Imaging, 2013.
  • S. Ghanbarzadeh, S. Abbaszadeh, M. M. Adachi, and K. S. Karim, “Low dark current and high dynamic range a-Si:H MSM photodetector for large area medical imaging,” Proc. SPIE Medical Imaging, 2013.

2012

  • G. P. Lindberg, R. E. Tallman, S. Abbaszadeh, and K. S. Karim, J. A. Rowlands, A. Reznik, and B. A. Weinstein, “Frustration of photocrystallization in amorphous selenium films and film-polymer structures near the glass transition,” Proc. AIP Conf., ICPS-31, 2012.
  • S. Abbaszadeh, N. Allec, and K. S. Karim, “Study of the transient response of PI/a-Se photodetectors for indirect conversion medical imaging,” Proc. IEEE Nuclear Science Symposium, Medical Imaging Conference (NSS-MIC), 2012.
  • S. Abbaszadeh, M. M. Adachi, N. Allec, and K. S. Karim, “Design and fabrication of silicon nanowire based X-ray detector,” Nano Ontario Conference, 2012.
  • S. Abbaszadeh, N. Allec, U. Shafique, and K. S. Karim, “Improving amorphous selenium photodetector performance using an organic semiconductor,” Proc. International Conference on Materials and Applications for Sensors and Transducers, 2012.
  • Y. Fang, E. O’Bryan, S. Abbaszadeh, H. S. Majid, R. J. Jennings, C. Marini-Bettolo, N. Allec, K. S. Karim, and A. Badano, “Pulse-height spectroscopy of amorphous selenium semiconductor detectors for X-ray imaging applications,” Proc. IEEE Symp. on Radiation Measurements and Applications, 2012.
  • G. P. Lindberg, R. E. Tallman, B. A. Weinstein, S. Abbaszadeh, K. S. Karim, and A. Reznik, “Substrate- and interface-mediated photocrystallization in a-Se films and multi-layers,” Bulletin of the American Physical Society, 2012.
  • S. Abbaszadeh, N. Allec, and K. S. Karim, “High performance amorphous selenium lateral photodetector,” Proc. SPIE Medical Imaging, 2012.
  • S. Abbaszadeh, S. H. Majid, N. Allec, and K. S. Karim, “Amorphous selenium photodetector on a flexible substrate for indirect conversion medical imaging,” Proc. SPIE Medical Imaging, 2012.
  • N. Allec, S. Abbaszadeh, J. M. Lewin, and K. S. Karim, “Motion artifacts in dual-energy contrast-enhanced mammography,” Proc. SPIE Medical Imaging, 2012.
  • R. Keshavarzi, K. Wang, M. Y. Yazdandoost, K.-W. Shin, F. Chen, S. H. Majid, S. Abbaszadeh, and K. S. Karim, “Performance of a prototype 32×32 pixel indirect X-ray imager based on a lateral selenium passive pixel sensor,” Proc. SPIE Medical Imaging, 2012.

2011

  • S. Abbaszadeh, K. Rom, O. Bubon, B. A. Weinstein, K. S. Karim, J. A. Rowlands, and A. Reznik, “Comparison of photodarkening and photocrystallization in rigid and flexible amorphous selenium films,” 24th International Conference on Amorphous and Nanocrystalline Semiconductors, 2011.
  • S. Abbaszadeh, N. Allec, K. Wang, F. Chen, and K. S. Karim, “Study of gain phenomenon in lateral metal-semiconductor-metal detectors for indirect conversion medical imaging,” Proc. SPIE Medical Imaging, 2011.
  • K. Wang, M. Y. Yazdandoost, R. Keshavarzi, K.-W. Shin, C. Hristovski, S. Abbaszadeh, F. Chen, S. H. Majid, and K. S. Karim, “Integration of an amorphous silicon passive pixel sensor array with a lateral amorphous selenium detector for large area indirect conversion X-ray imaging applications,” Proc. SPIE Medical Imaging, 2011.

2010

  • S. Abbaszadeh, K. Wang, N. Allec, F. Chen, and K. S. Karim, “High gain lateral amorphous selenium (a-Se) detector for medical imaging,” Proc. 5th Canadian Student Conference on Biomedical Computing and Engineering, 2010.

2007

  • F. Hossein-Babaei and S. Abbaszadeh, “Fabrication and assessment of a gas sensitive silver-rutile Schottky diode,” Proc. 10th International Conference and Exhibition of the European Ceramic, 2007.