Timothy A.V. Teatro
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Me in Brief
Physicist, programmer, writer and webmaster, I am driven by my insatiable curiosity and persistent imagination. I maintain t-square, a blog dedicated to the pursuit of imagination, inspiration and science. I am also a regular contributor at WhatsYourTech.ca, a popular Canadian technology blog where I write about security, FOSS, hardware and other topics.
My areas of formal research include the computational quantum mechanics of solids and surfaces and forensic physics, concentrating in bloodflight dynamics and blood spatter patterns.
I strive to be somewhat polymathic, so my informal research areas are quite broad in range. I am particularly interested in design, computer science, visualization and computer graphics.
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Education
2009MSc, Materials Science
University of Ontario Institute of Technology
Specialization: computational solid state physics
Thesis: Dynamical effects in crystalline solid State systems.
Download PDF.2007BSc (Hons), Physics
University of Ontario Institute of Technology
Thesis: The temperature dependent optical properties of gallium arsenide and siliconOther Classes and Certificates
- Basic Welding (Durham college WELO-1400) – Oxy-Fuel and shielded metal arc welding. This includes fusion welding and the braze welding of lap, corner, fillet and butt welds on mild steel materials in flat and horizontal positions. And metal arc, comprising beads, weaves and overlays and fillet welds on mild steel materials in the flat and horizontal positions, employing E6013 and E7014 electrodes. Theory portion including personal and workshop safety, WHMIS, and the safe use and maintenance of Oxy-Fuel and shielded metal arc welding equipment.
- AODA Trained and Certified – The Accessibility for Ontarians with Disabilities Act (AODA).
- WHMIS Training – Basic WHMIS for office, as well as WHMIS for welding and shop.
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Research
Since early 2003, I have worked in the area of the computational quantum mechanics of solids, with particular focus on the dynamical effects of nuclear motion and zero-point lattice vibration. This has extended over several grant projects, including (but not limited to)
- Sonus/PV (Photo-Voltaic) Highway Traffic Noise Barrier project. Started Jan. 2006. UOIT is the Lead Institution. This is a joint project between Faculty of Science at UOIT, Faculty of Electrical & Computer Engineering University of Toronto, and Ontario Centres of Excellence (OCE) Materials & Manufacturing Ontario (MMO).
- NSERC Discovery Grant project, Staebler-Wronski effect in Tritiated Amorphous Silicon.
Starting in the summer of 2009, I became involved in a research project in partnership with the Ontario Police College dealing with accurate simulation of blood-flight dynamics and blood-splatter pattern formation. I was brought on with the task of developing a predictive algorithm for tracing droplet flight trajectories as a function of blood-spatter patterns. This turned into an experimental project that generated quite a bit of news coverage, most notably from the Discovery Channel, The Toronto Star, Metroland News and Rogers First-Local… More information.
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Teaching
I am a passionate teacher. I relish the intellectual undertaking of making technical knowledge accessible to others. At UOIT, I have instructed tutorial sections for the following courses:
- PHY 1010U Physics
- PHY 1020U Physics II
- PHY 1040U Physics for Biosciences
- PHY 2010U Electricity and Magnetism I
- PHY 2020U Electricity and Magnetism II
- PHY 2030U Mechanics I
- MATH 1010U Calculus I
- CSCI 1000U Scientific Computing Tools
- CSCI 1800U Scientific Computing Tools for Health Sciences
I have acted as a teaching assistant for the following courses:
- PHY 2040U Mechanics II
- PHY 3010U Statistical Mechanics I
- PHY 3020U Quantum Mechanics I
- PHY 3040U Mathematical Physics
- PHY 3050U Waves and Optics
- PHY 3030U Electronics
- PHY 4020U Quantum Mechanics II
- PHY 4030U Modern Physics
- PHY 4040U Solar Energy and Photovoltaics
- PHY 4080U Hydrogen-Based Energy Systems and Fuel
I have also instructed lab sections for Physics I and Physics II.
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Awards
2007 · 2006 · 2005 · 2004
Faculty of Science Research Award
University of Ontario Institute of Technology
Awarded four consecutive years
Ammount: approx $6000.00 each year. -
Employment History
2010-PresentTechnical writer
www.whatsyourtech.ca
Editor: Yasmin Ranade
Toronto, Ontario, CANADA- Weekly columnist for general topics, reviews, security and FOSS,
2007-2010Tutorial and Lab Insctructor, Teaching Assistant,
see section teaching
University of Ontario Institute of Technology
Oshawa, Ontario, CANADA2009Research Associate, forensic physics
Prof. F. Gaspari and Prof. S. Forbes, University of Ontario Institute of Technology
Oshawa, Ontario, CANADA- Developed a fundamental blood-flight experiment which captured media attention; most notably from the Toronto Star and the Discovery Channel.
- Scratch-coded blood-flight analysis, simulation and visualisation code. Developing algorithms to be used by police to analyse crime scenes.
- Supervised research assistants.
2004-2009Research Assistant, solid state physics.
Prof. A.I. Shkrebtii, University of Ontario Institute of Technology
Oshawa, Ontario, CANADA- Standardized research methods and software and IT resources.
- Training researchers and graduate students in use of HPC and IT resources.
- Supervised research assistants.
- Deployment and maintenance of large-scale code on clusters.
- Developed codes and scripts for data analysis.
2003IT Systems Repair and Maintenance
World Sound and Vision
Oshawa, Ontario, CANADA- Repair and maintenance of on-site computers and point-of-sale machines.
2000-2003Computer technician
Durham Computer Interlinks
Oshawa, Ontario, CANADA- Computer assembly, repair and technical-support.
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Contributions to the Academic Community
- Judge, Durham Regional Science Fair 2010. Partnership with Sci-Tech Ontario.
- Consultant, Prince Charles 11-day royal tour of Canada (green energy research at UOIT).
- Research Lab Tours, 2007 UOIT Energy and Environment Day.
- UOIT geo-thermal well engineering tours (2008-2010).
- Participated in UOIT University Fairs (2004-2005).
- Participated in the UOIT open house for the Faculty of Science (2004-2005).
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References
References from employers and professors are indeed available upon request. I also have a selection of reference letters that I requested from several of my students after the Summer semester of 2010.
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Publications and Presentations
I am currently compiling a comprehensive list. The list below represents the current state.
[1] A.I. Shkrebtii, Z. A. Ibrahim, I.M. Kupchak, T. Teatro, F. Gaspari, and D.V. Korbutiak. Dynamics and bonding of bond-centered hydrogen in amorphous hydrogenated si: vibrational and optical signatures. Honolulu, Hawaii, 2010. 35th IEEE Photovoltaic Specialists Conference. [2] Z.A. Ibrahim, A.I. Shkrebtii, F. Gaspari, and T. Teatro. Correlation of dielectric and vibrational properties of amorphous hydrogenated si for photovoltaic applications: modeling and experiment. Honolulu, Hawaii, 2010. 35th IEEE Photovoltaic Specialists Conference. [3] Franco Gaspari, Anatoli Shkrebtii, Ihor Kupchak, Tim Teatro, and Zahraa A. Ibrahim. Correlation of a-si:h properties with hydrogen distribution. Honolulu, Hawaii, 2010. 35th IEEE Photovoltaic Specialists Conference. [4] A.I. Shkrebtii, Z.A. Ibrahim, T. Teatro, W. Richter, M.J.G. Lee, and L. Henderson. Theory of the temperature dependent dielectric function of semiconductors: from bulk to surfaces. application to gaas and si. Submitted to proceedings of the ”Optics of Surfaces and Interfaces 8” (OSI-VIII). Will be published in a special edition of Physica Status Solidi, B 2010, 2010. [5] A.I. Shkrebtii, T. Teatro, L. Henderson, I.M. Kupchak, Z. Ibrahim, D.V. Korbutiak, and F. Gaspari. Structure and dynamics of hydrogen-bonded systems. Miramare – Triest, Italy, 2009. Poster Presentation, Abdus Salam International Centre for Theoretical Physics (ICTP), SMR 2054. [6] F. Gaspari, A.I. Shkrebtii, , I.M. Kupchak, and T. Teatro. Computational experiment in non-crystalline materials from first-principles: a case study of vibrations in hydrogenated amorphous silicon. Rhodes, Greece, 2009. Invited talk, Computational aspects of the modelling of vibrational properties of gases, liques and solids symposium, VII ICCMSE congress. [7] A.I. Shkrebtii, T. Teatro, L. Henderson, I.M. Kupchak, Z. Ibrahim, and F. Gaspari. Temperature dependent vibrational and optical spectroscopy of hydrogen in silicon: from crystalline to amorphous materials. Rhodes, Greece, 2009. Poster, Computational aspects of the modelling of vibrational properties of gases, liquids and solids symposium, VII ICCMSE congress. [8] A.I. Shkrebtii and T. Teatro. Raman optical spectroscopy sensitive vibrations at the clean C(111) 2×1 surface from born-oppenheimer dynamics. Ischia, Italy, 2009. Poster, Optics of Surfaces and Interfaces 8 (OSI08). [9] A.I. Shkrebtii, T. Teatro, I.M. Kupchak, F. Gaspari, and L. Henderson. Hydrogen in non-crystalline materials: from solar cells to hydrogen storage. Las Vegas, ND, 2009. Renewable Energy Symposium, UNLV. [10] A.I. Shkrebtii, T. Teatro, M. Marsili, O. Pulci, R. Del Sole, and F. Bechstedt. C(111)-2×1 rrevisited: quantum zero point motion contribution to atomic structure, dynamics and electron bands. Weimar, Germany, 2009. Oral talk, 12th International Conference on Formation of Semiconductor Interfaces (ICFSI-12). [11] A.I. Shkrebtii, F. Zimmer-De Iuliis, and T. Teatro. Molecular dynamics of a-si/c-si interface: strucutre, density of states and carrier lifetime. Weimar, Germany, 2009. Poster, 12th International Conference on Formation of Semiconductor Interfaces (ICFSI-12). [12] F. Gaspari, A.I. Shkrebtii, I. M. Kupchak, T. Teatro, and L. Henderson. Computational experiment in non-crystalline materials from first-principles: a case study of vibrations in hydrogenated amorphous silicon. Rhodes, Greece, 2009. Proc. of the International Conference of Computational Methods in Sciences and Engineering, ICCMSE, To be published in AIP (American Institute of Physics) Conference Proceedings, 2010. [13] Z. A. Ibrahim, A. I. Shkrebtii, M. J. G. Lee, K. Vynck, T. Teatro, W. Richter, T. Trepk, and T. Zettler. Temperature dependence of the optical response: Application to bulk GaAs using first-principles molecular dynamics simulations. Physical Review B (Condensed Matter and Materials Physics), 77(12):125218, 2008.
[ DOI | http ]
Keywords: density functional theory; dielectric function; electronic structure; ellipsometry; gallium arsenide; III-V semiconductors; lattice dynamics; molecular dynamics method
[14] Z. Ibrahim, M.J.G. Lee, W. Richter, I. Kupchak, M. Drago., T. Trepk, Timothy A.V. Teatro, and F. Gaspari. First-principles modeling of structure, vibrations, bond dynamics, electronic and optical properties in hydrogenated amorphous silicon: theory versus experiment. Braga, Portugal, 2008. Invited seminar at Centro de Fisica, Universidade do Minho. [15] Z. Ibrahim, M.J.G. Lee, W. Richter, I. Kupchak, M. Drago, T. Trepk, Timothy A.V. Teatro, and F. Gaspari. Temperature dependent optical response in semiconductors: numerical formalism v.s. experiment for GaAs and Si. excitonic effects wanted! Paris, France, 2008. Invited seminar at Laboratoire des Solides Irradiés, Ecole Polytechnique, CEA, CNRS. [16] Z. Ibrahim, M.J.G. Lee, W. Richter, I. Kupchak, M. Drago, T. Trepk, Timothy A.V. Teatro, and F. Gaspari. Role of lattice dynamics in temperature dependent optical response, vibrational spectra, and chemical bonding in semiconductor materials: theory versus experiment. Paris, France, 2008. Invited seminar at Institut des NanoSciences de Paris (INSP) at UPMC (Univ. Pierre & Marie Curie). [17] Z. A. Ibrahim, A. I. Shkrebtii, M. J. G. Lee, T. Teatro, M. Drago, T. Trepk, and W. Richter. Lattice dynamics and the optical properties of semiconductors: theory of the temperature dependent dielectric functions of GaAs and Si and comparison with experiment. Rio de Janeiro, Brazil, 2008. Proceedings of International Conference on the Physics of Semiconductors – ICPS 2008, Rio de Janeiro, Brazil, Jul 27 – Aug 1, 2008.
[ http ][18] Z.A. Ibrahim, A.I. Shkrebtii, M.J.G. Lee, K. Vynck, T. Teatro, W. Richter, T. Trepk, and T. Zettler. On the temperature dependence of the optical response: Application to bulk gaas. arXiv cond-mat.mtrl-sci, http://arxiv.org/abs/0710.1020v1, 2008.
[ http ][19] F. Gaspari, A. Shkrebtii, J. Perz, Timothy A.V. Teatro, and N. Kherani. Photovoltaic applications of hydrogenated amorphous silicon thin films grown by the saddle field glow discharge method. Denver Colorado USA, 2007. American Physical Society March Meeting. [20] Timothy A.V. Teatro, A. I. Chkrebtii, and I. Kupchak. Molecular dynamics study of amorphous hydrogenated silicon. McMaster University, Hamilton Ontario Canada, 2007. Sharcnet HPC Seminar (invited lecturer). [21] F. Gaspari, A. Chkrebtii, and Timothy A.V. Teatro. The temperature dependence of silicon and gallium arsenide. International School Of Solid State Physics: Erice Sicily Italy, 2006. EPIOPTICS 2006. [22] Timothy A.V. Teatro. The temperature dependence of the optical properties of crystalline silicon. Oshawa Ontario Canada, 2006. University of Ontario Institute of Technology, student research summer workshop. [23] F. Gaspari, A. Shkrebtii, J. Perz, Timothy A.V. Teatro, and N. Kherani. Simulation of hydrogen diffusion in hydrogenated amorphous silicon (a-Si:H) from ab-initio molecular dynamics. Los Angeles California USA, 2005. American Physical Society March Meeting.
[ http | Abstract ][24] A. Shkrebtii, M. Lee, Timothy A.V. Teatro, W. Richter, T. Zettler, and T. Trepk. Linear optical response of bulk GaAs from finite-temperature lattice dynamics. Los Angeles California USA, 2005. American Physical Society March Meeting.
[ http | Abstract ][25] C. Bouley, G. Nicholls, and Timothy A.V. Teatro. The temperature dependence of the optical properties of gallium arsenide. Oshawa Ontario Canada, 2004. University of Ontario Institute of Technology, student research summer workshop. [26] Timothy A.V. Teatro. The temperature dependence of the optical properties of gallium arsenide. Oshawa Ontario Canada, 2004. University of Ontario Institute of Technology, student research summer workshop.

