Associate Professor Joseph Khachan

A28 - Physics Building
The University of Sydney

Telephone +61 2 9351 2713
Fax +61 2 9351 7726

Research interests

Member of the Plasma Physics Research Group. Research in Plasma Physics includes complex (dusty) plasmas, gas discharge plasmas, quantum plasmas, space and astrophysical plasmas, as well as plasma technologies.

Selected grants

2013

  • Space SyReNS; Cairns I, Müller R, Bland-Hawthorn J, Crawford J, Lenzen M, Odeh I, Ivers D, Wu X, Sukkarieh S, Khachan J, Rey P, Vila-Concejo A, Bruce E, Murphy R, Leon-Saval S; DVC Research/Research Network Scheme (SyReNS).

2012

  • Charge Exchange Thruster; Khachan J, Wu X; Defence Science and Technology Organisation/Research Support.

2003

  • A Classroom Communication System; Khachan J, Sharma M, O'Byrne J, Bedding T, James B; DVC Research/Teaching Equipment Grant (Sesqui).

2002

  • Interactive Physics Demonstrations; Sharma M, Khachan J, O'Byrne J, Bedding T; DVC Research/Teaching Equipment Grant (Sesqui).

2001

  • Interactive learning with a classroom communication system; O'Byrne J, Khachan J, Sharma M, Stewart C; Faculty of Science/Teaching Improvement Fund.

Selected publications

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Journals

  • Sharma, M., Mendez, A., Sefton, I., Khachan, J. (2014). Student evaluation of research projects in a first-year physics laboratory. European Journal of Physics, 35(2), Article number 025004. [More Information]
  • Cornish, S., Gummersall, D., Carr, M., Khachan, J. (2014). The dependence of potential well formation on the magnetic field strength and electron injection current in a polywell device. Physics of Plasmas, 21(9), Article number 092502. [More Information]
  • Carr, M., Khachan, J. (2013). A biased probe analysis of potential well formation in an electron only, low beta Polywell magnetic field. Physics of Plasmas, 20(5), 1-10. [More Information]
  • Gummersall, D., Carr, M., Cornish, S., Khachan, J. (2013). Scaling law of electron confinement in a zero beta polywell device. Physics of Plasmas, 20(10), 1-7. [More Information]
  • Bandara, R., Khachan, J. (2013). Spherical ion oscillations in a positive polarity gridded inertial-electrostatic confinement device. Physics of Plasmas, 20(7), 1-10. [More Information]
  • Fitzgerald, M., Khachan, J. (2012). A 2-D PIC/MC/Vlasov method for electrostatic fusion discharges. Computer Physics Communications, 183(4), 971-979. [More Information]
  • Carr, M., Gummersall, D., Cornish, S., Khachan, J. (2011). Low beta confinement in a Polywell modelled with conventional point cusp theories. Physics of Plasmas, 18, 112501-1-112501-9. [More Information]
  • Tuft, C., Khachan, J. (2010). Spherical plasma oscillations in a reversed-polarity inertial-electrostatic confinement device. Physics of Plasmas, 17(11), 112117-1-112117-7. [More Information]
  • Carr, M., Khachan, J. (2010). The dependence of the virtual cathode in a Polywell (TM) on the coil current and background gas pressure. Physics of Plasmas, 17(5), 052510-1-052510-5.
  • Kipritidis, J., Khachan, J. (2009). Application of Doppler spectroscopy in H2 to the prediction of experimental D(d,n)3He reaction rates in an inertial electrostatic confinement device. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 79(2), 026403-1-026403-8.
  • Bennett, D., Miljak, D., Khachan, J. (2009). The measurement of chalcopyrite content in rocks and slurries using magnetic resonance. Minerals Engineering, 22(9-10), 821-825. [More Information]
  • Kipritidis, J., Khachan, J., Fitzgerald, M., Shrier, O. (2008). Absolute densities of energetic hydrogen ion species in an abnormal hollow cathode discharge. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 77(6), 066405-1-066405-9.
  • Roberts, A., Sharma, M., Sefton, I., Khachan, J. (2008). Differences in two evaluations of answers to a conceptual physics question: a preliminary analysis. CAL-Laborate, 16, 28-38.
  • Levchenko, I., Ostrikov, K., Khachan, J., Vladimirov, S. (2008). Growth of carbon nanocone arrays on a metal catalyst: The effect of carbon flux ionization. Physics of Plasmas, 15(10), 103501-1-103501-8.
  • Richardson, A., Sharma, M., Khachan, J. (2008). What are students learning in practicals? A cross sectional study in university physics laboratories. CAL-Laborate, 16, 20-27.
  • Blackhall, L., Khachan, J. (2007). A simple electric thruster based on ion charge exchange. Journal of Physics D: Applied Physics, 40(8), 2491-2494.
  • Mukherjee, B., Simrock, S., Khachan, J., Rybka, D., Romaniuk, R. (2007). Application of low-cost Gallium Arsenide light-emitting-diodes as kerma dosemeter and fluence monitor for high-energy neutrons. Radiation Protection Dosimetry, 126(1-4), 256-260. [More Information]
  • Khachan, J., Samarian, A. (2007). Dust diagnostics on an inertial electrostatic confinement discharge. Physics Letters. Section A: General, Atomic and Solid State Physics, 363(4), 297-301.
  • Bennett, D., Miljak, D., Khachan, J. (2007). Quantitative measurement of copper mineralogy using magnetic resonance. Minerals Engineering, 20(15), 1344-1350.
  • Kipritidis, J., Fitzgerald, M., Khachan, J. (2007). Spectroscopic determination of electron energies in a discharge of atomic H produced by a monoenergetic electron beam. Journal of Physics D: Applied Physics, 40(17), 5170-5176.
  • Khachan, J., Shrier, O., Bosi, S. (2006). A Markov chain approach to modelling charge exchange processes of an ion beam in monotonically increasing or decreasing potentials. Journal of Physics A: Mathematical and General, 39(35), 11119-11128.
  • Shrier, O., Khachan, J., Bosi, S., Fitzgerald, M., Evans, N. (2006). Diverging ion motion in an inertial electrostatic confinement discharge. Physics of Plasmas, 13(1), 012703-1-012703-3.
  • Fitzgerald, M., Khachan, J., Bosi, S. (2006). Relative densities of hydrogen ion species in a hollow cathode glow discharge. European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics, 39(1), 35-39.
  • Sharma, M., Khachan, J., Chan, B., O'Byrne, J. (2005). An investigation of the effectiveness of electronic classroom communication systems in large lecture classes. Australasian Journal of Educational Technology (Online), 21(2), 137-154.
  • Khachan, J., Moore, D., Bosi, S. (2003). Spatial distribution of ion energies in an inertial electrostatic confinement device. Physics of Plasmas, 10(3), 596-599.
  • Lukins, P., Khachan, J., Zareie, H. (2001). Atomic resolution structure of growth and etching patterns at the surface of microwave plasma chemical vapor deposited diamond films. Applied Physics Letters, Vol 78, No 11, 1520-1522.
  • Khachan, J., Collis, S. (2001). Measurements of ion energy distributions by Doppler shift spectroscopy in an inertial-electrostatic confinement device. Physics of Plasmas, Vol.8, No.4, 1299-1304.

Conferences

  • Funamoto, J., Khachan, J., Wu, X., Israel, A., Verma, R. (2012). Electric (ion) propulsion devices for satellites of any size: The Charge Exchange Thruster (CXT). 11th Australian Space Science Conference, Sydney: National Space Society of Australia Ltd.
  • Kipritidis, J., Khachan, J., Masuda, K. (2009). Pulsed IEC: optical diagnostics and numerical modelling. 11th US-Japan Annual Workshop on Inertial Electrostatic Confinement Fusion, Wisconsin, USA: Fusion Technology Institute.
  • Kipritidis, J., Khachan, J. (2008). Doppler spectroscopy on an IEC device in hydrogen: Predicting experimental rates of D(d,n)3He fusion. 10th US-Japan Workshop on Inertial Electrostatic Confinement Fusion.
  • Samarian, A., Khachan, J., Tsang, W., James, B. (2004). Dust As A Diagnostic Tool To Measure Potential Distribution In A Plasma. 31st European Physical Society Conference on Plasma Physics, London: European Physical Society.
  • Sharma, M., Khachan, J., Chan, B., Stewart, C., Hogg, K., O'Byrne, J. (2002). A classroom communication system for large first year physics classes. 15th Australian Institute of Physics Congress 2002, Australia: Australian Institute of Physics (AIP).
  • Sharma, M., Khachan, J., Chan, B., Stewart, C., Hogg, K., O'Byrne, J. (2002). Interactive lecturing using a classroom communication system, in Proceedings of Research and Development into University Science Teaching and Learning Conference. Research and Development into University Science Teaching and Learning Conference.
  • Sharma, M., Khachan, J., Chan, B., Stewart, C., O'Byrne, J. (2002). Using two-step problems to enhance student learning when using PRS. AAPT Summer Meeting.

2014

  • Sharma, M., Mendez, A., Sefton, I., Khachan, J. (2014). Student evaluation of research projects in a first-year physics laboratory. European Journal of Physics, 35(2), Article number 025004. [More Information]
  • Cornish, S., Gummersall, D., Carr, M., Khachan, J. (2014). The dependence of potential well formation on the magnetic field strength and electron injection current in a polywell device. Physics of Plasmas, 21(9), Article number 092502. [More Information]

2013

  • Carr, M., Khachan, J. (2013). A biased probe analysis of potential well formation in an electron only, low beta Polywell magnetic field. Physics of Plasmas, 20(5), 1-10. [More Information]
  • Gummersall, D., Carr, M., Cornish, S., Khachan, J. (2013). Scaling law of electron confinement in a zero beta polywell device. Physics of Plasmas, 20(10), 1-7. [More Information]
  • Bandara, R., Khachan, J. (2013). Spherical ion oscillations in a positive polarity gridded inertial-electrostatic confinement device. Physics of Plasmas, 20(7), 1-10. [More Information]

2012

  • Fitzgerald, M., Khachan, J. (2012). A 2-D PIC/MC/Vlasov method for electrostatic fusion discharges. Computer Physics Communications, 183(4), 971-979. [More Information]
  • Funamoto, J., Khachan, J., Wu, X., Israel, A., Verma, R. (2012). Electric (ion) propulsion devices for satellites of any size: The Charge Exchange Thruster (CXT). 11th Australian Space Science Conference, Sydney: National Space Society of Australia Ltd.

2011

  • Carr, M., Gummersall, D., Cornish, S., Khachan, J. (2011). Low beta confinement in a Polywell modelled with conventional point cusp theories. Physics of Plasmas, 18, 112501-1-112501-9. [More Information]

2010

  • Tuft, C., Khachan, J. (2010). Spherical plasma oscillations in a reversed-polarity inertial-electrostatic confinement device. Physics of Plasmas, 17(11), 112117-1-112117-7. [More Information]
  • Carr, M., Khachan, J. (2010). The dependence of the virtual cathode in a Polywell (TM) on the coil current and background gas pressure. Physics of Plasmas, 17(5), 052510-1-052510-5.

2009

  • Kipritidis, J., Khachan, J. (2009). Application of Doppler spectroscopy in H2 to the prediction of experimental D(d,n)3He reaction rates in an inertial electrostatic confinement device. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 79(2), 026403-1-026403-8.
  • Kipritidis, J., Khachan, J., Masuda, K. (2009). Pulsed IEC: optical diagnostics and numerical modelling. 11th US-Japan Annual Workshop on Inertial Electrostatic Confinement Fusion, Wisconsin, USA: Fusion Technology Institute.
  • Bennett, D., Miljak, D., Khachan, J. (2009). The measurement of chalcopyrite content in rocks and slurries using magnetic resonance. Minerals Engineering, 22(9-10), 821-825. [More Information]

2008

  • Kipritidis, J., Khachan, J., Fitzgerald, M., Shrier, O. (2008). Absolute densities of energetic hydrogen ion species in an abnormal hollow cathode discharge. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 77(6), 066405-1-066405-9.
  • Roberts, A., Sharma, M., Sefton, I., Khachan, J. (2008). Differences in two evaluations of answers to a conceptual physics question: a preliminary analysis. CAL-Laborate, 16, 28-38.
  • Kipritidis, J., Khachan, J. (2008). Doppler spectroscopy on an IEC device in hydrogen: Predicting experimental rates of D(d,n)3He fusion. 10th US-Japan Workshop on Inertial Electrostatic Confinement Fusion.
  • Levchenko, I., Ostrikov, K., Khachan, J., Vladimirov, S. (2008). Growth of carbon nanocone arrays on a metal catalyst: The effect of carbon flux ionization. Physics of Plasmas, 15(10), 103501-1-103501-8.
  • Richardson, A., Sharma, M., Khachan, J. (2008). What are students learning in practicals? A cross sectional study in university physics laboratories. CAL-Laborate, 16, 20-27.

2007

  • Blackhall, L., Khachan, J. (2007). A simple electric thruster based on ion charge exchange. Journal of Physics D: Applied Physics, 40(8), 2491-2494.
  • Mukherjee, B., Simrock, S., Khachan, J., Rybka, D., Romaniuk, R. (2007). Application of low-cost Gallium Arsenide light-emitting-diodes as kerma dosemeter and fluence monitor for high-energy neutrons. Radiation Protection Dosimetry, 126(1-4), 256-260. [More Information]
  • Khachan, J., Samarian, A. (2007). Dust diagnostics on an inertial electrostatic confinement discharge. Physics Letters. Section A: General, Atomic and Solid State Physics, 363(4), 297-301.
  • Bennett, D., Miljak, D., Khachan, J. (2007). Quantitative measurement of copper mineralogy using magnetic resonance. Minerals Engineering, 20(15), 1344-1350.
  • Kipritidis, J., Fitzgerald, M., Khachan, J. (2007). Spectroscopic determination of electron energies in a discharge of atomic H produced by a monoenergetic electron beam. Journal of Physics D: Applied Physics, 40(17), 5170-5176.

2006

  • Khachan, J., Shrier, O., Bosi, S. (2006). A Markov chain approach to modelling charge exchange processes of an ion beam in monotonically increasing or decreasing potentials. Journal of Physics A: Mathematical and General, 39(35), 11119-11128.
  • Shrier, O., Khachan, J., Bosi, S., Fitzgerald, M., Evans, N. (2006). Diverging ion motion in an inertial electrostatic confinement discharge. Physics of Plasmas, 13(1), 012703-1-012703-3.
  • Fitzgerald, M., Khachan, J., Bosi, S. (2006). Relative densities of hydrogen ion species in a hollow cathode glow discharge. European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics, 39(1), 35-39.

2005

  • Sharma, M., Khachan, J., Chan, B., O'Byrne, J. (2005). An investigation of the effectiveness of electronic classroom communication systems in large lecture classes. Australasian Journal of Educational Technology (Online), 21(2), 137-154.

2004

  • Samarian, A., Khachan, J., Tsang, W., James, B. (2004). Dust As A Diagnostic Tool To Measure Potential Distribution In A Plasma. 31st European Physical Society Conference on Plasma Physics, London: European Physical Society.

2003

  • Khachan, J., Moore, D., Bosi, S. (2003). Spatial distribution of ion energies in an inertial electrostatic confinement device. Physics of Plasmas, 10(3), 596-599.

2002

  • Sharma, M., Khachan, J., Chan, B., Stewart, C., Hogg, K., O'Byrne, J. (2002). A classroom communication system for large first year physics classes. 15th Australian Institute of Physics Congress 2002, Australia: Australian Institute of Physics (AIP).
  • Sharma, M., Khachan, J., Chan, B., Stewart, C., Hogg, K., O'Byrne, J. (2002). Interactive lecturing using a classroom communication system, in Proceedings of Research and Development into University Science Teaching and Learning Conference. Research and Development into University Science Teaching and Learning Conference.
  • Sharma, M., Khachan, J., Chan, B., Stewart, C., O'Byrne, J. (2002). Using two-step problems to enhance student learning when using PRS. AAPT Summer Meeting.

2001

  • Lukins, P., Khachan, J., Zareie, H. (2001). Atomic resolution structure of growth and etching patterns at the surface of microwave plasma chemical vapor deposited diamond films. Applied Physics Letters, Vol 78, No 11, 1520-1522.
  • Khachan, J., Collis, S. (2001). Measurements of ion energy distributions by Doppler shift spectroscopy in an inertial-electrostatic confinement device. Physics of Plasmas, Vol.8, No.4, 1299-1304.

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