Profile

Career

MSc (Dipl. Phys, Essen, Germany); PhD (Dr.rer.nat., Essen, Germany)

Summary of expertise

• Low temperature plasmas
• Diagnostics, numerical simulations, technological applications

Previous posts

• 2006-2011: Lecturer in Maths and Physics, Queen's University Belfast
• 2003-2006: Academic Staff, Ruhr-University Bochum, Germany
• 2002-2003: Marie Curie Fellow, Dublin City University, Ireland & Academic Fellow (on leave), Ruhr-University Bochum, Germany

Honours

• Plasma Sources Science and Technology Hershkowitz Early Career Award
• IUPAP Young Scientist Award and Medal in Plasma Physics
• Hans-Werner-Osthoff Award for Plasma Physics

International roles

• International Conference on Phenomena in Ionized Gases (ICPIG): Chair of the Local Organizing Committee 2011 in Belfast
• European Physical Society (EPS): Chair Program Sub-Committee Low-Temperature Plasmas
• International Union for Vacuum Science, Technique and Applications (IUVSTA): Secretary Plasma Science and Technology Division
• International Workshop on Microplasmas (IWM): International Scientific Committee
• Editorial Board Member: Plasma Sources Science and Technology (IoP Publishing)

Research

Overview

Low temperature plasma physics

Publications

Full publications list

O'NEILL C, WASKOENIG J, GANS T
Electron Heating in Dual-Radio-Frequency-Driven Atmospheric-Pressure Plasmas
Plasma Science, IEEE Transactions on Plasma Science 39, Issue: 11 , Part: 1, (2011), 2588 - 2589

SCHAPER L, WASKOENIG J, KONG M G, SCHULZ-VON DER GATHEN V, GANS T
Electron Dynamics in a Radio-Frequency-Driven Microatmospheric Pressure Plasma Jet
Plasma Science, IEEE Transactions on Plasma Science 39, Issue: 11 , Part: 1, (2011), 2370 - 2371

NIEMI K, WASKOENIG J, SADEGHI N, GANS T, O'CONNELL D
The Role of Helium Metastable States in Radio-Frequency Driven Helium-Oxygen Atmospheric Pressure Plasma Jets: Measurement and Numerical Simulation
Plasma Sources Sci. and Technol. 20, 055005 (2011)

ZAKA-UL-ISLAM M, NIEMI K, GANS T, O'CONNELL D
Energetic electron avalanches and mode transitions in planar inductively coupled radio-frequency driven plasmas operated in oxygen
Appl. Phys. Lett. 99, 041501 (2011)

SOUSA J S, NIEMI K, COX L J, ALGWARI Q TH, GANS T, O’CONNELL D
Cold atmospheric pressure plasma jets as sources of singlet delta oxygen for biomedical applications
Journal of Applied Physics, 109 (12), 123302 (2011)

O'CONNELL D, COX LJ, HYLAND WB, MCMAHON SJ, REUTER S, GRAHAM WG, GANS T, CURRELL FJ
Cold atmospheric pressure plasma jet interactions with plasmid DNA
Applied Physics Letters, 98 (4), 043701 (2011)

WASKOENIG J, NIEMI K, KNAKE N, GRAHAM LM, REUTER S, SCHULZ-VON DER GATHEN V, GANS T
Atomic oxygen formation in a radio-frequency driven micro-atmospheric pressure plasma jet
Plasma Sources Science and Technology, 19, 045018 (2010)

ZIEGLER D, TRIESCHMANN J, MUSSENBROCK T, BRINKMANN R P, SCHULZE J, CZARNETZKI U, SEMMLER E, AWAKOWICZ P, O'CONNELL D, GANS T
The influence of the relative phase between the driving voltages on electron heating in asymmetric dual frequency capacitive discharges
Plasma Sources Science and Technology, 19 (4), 045001 (2010)

LAW V J, DANIELS S, WALSH J L, KONG M G, GRAHAM L M, GANS T
Non-invasive VHF monitoring of low-temperature atmospheric pressure plasma
Plasma Sources Science and Technology, 19 (3), 034008 (2010)

WASKOENIG J, NIEMI K, KNAKE N, GRAHAM L. M., REUTER S, SCHULZ-VON DER GATHEN V, GANS T
Diagnostic-based modeling on a micro-scale atmospheric-pressure plasma jet
Pure Appl. Chem., 82 (6), 1209 (2010)

GANS T, O'CONNELL D, SCHULZ-VON DER GATHEN V, WASKOENIG J
The challenge of revealing and tailoring the dynamics of radio-frequency plasmas
Plasma Sources Science and Technology, 19 (3), 034010 (2010)

NIEMI K, REUTER S, GRAHAM L. M., WASKOENIG J., KNAKE N., SCHULZ-VON DER GATHEN V., GANS T
Diagnostic based modelling of radio-frequency driven atmospheric pressure plasmas
Journal of Physics D: Applied Physics, 43 (12), 124006 (2010)

J. WASKOENIG, T. GANS
Nonlinear frequency coupling in dual radio-frequency driven atmospheric pressure plasmas
Applied Physics Letters 96 (2010) 181501

K. NIEMI, S. REUTER, L. M. GRAHAM, J. WASKOENIG, T. GANS
Diagnostic based modeling for determining absolute atomic oxygen densities in atmospheric pressure helium-oxygen plasmas
Appl. Phys. Lett. 95 (2009) 151504

L. SCHAPER, S. REUTER, J. WASKOENIG, K. NIEMI, V. SCHULZ-VON DER GATHEN, T. GANS
The dynamics of radio-frequency driven atmospheric pressure plasma jets
Journal of Physics: Conf. Series 162 (2009) 012013

D. O'CONNELL, K. NIEMI, M. ZAKA-UL-ISLAM, T. GANS
Space and phase resolved optical emission in mode transitions of radio-frequency inductively coupled plasmas
Journal of Physics: Conf. Series 162 (2009) 012011

Y. HAYASHI, S. HIRAO, Y. ZHANG, T. GANS, D. O'CONNELL, Z. LJ. PETROVIC, T. MAKABE
Argon metastable state densities in inductively coupled plasma in mixtures of Ar and O2
Journal of Physics D: Applied Physics 42 (2009) 145206

V. SCHULZ-VON DER GATHEN, L. SCHAPER, N. KNAKE, S. REUTER, K. NIEMI, T. GANS, J. WINTER
Spatially resolved diagnostics on a microscale atmospheric pressure plasma jet
Journal of Physics D: Applied Physics, 41 (2008) 194004

D. O'CONNELL, T. GANS, E. SEMMLER, P. AWAKOWICZ
The role of the relative voltage and phase for frequency coupling in a dual-frequency capacitively coupled plasma
Appl. Phys. Lett., 93 (2008) 081502

A. MEIGE, D. O'CONNELL, T. GANS, R.W. BOSWELL
Plasma ionization in low-pressure radio-frequency discharges - Part II: Particle-in-cell simulation
IEEE Trans. Plasma Sci., 36 (2008) 1384

D. O'CONNELL, T. GANS, A. MEIGE,.P. AWAKOWICZ, R.W. BOSWELL
Plasma ionization in low-pressure radio-frequency discharges - Part I: Optical measurements
IEEE Trans. Plasma Sci., 36 (2008) 1382

C.M.O. MAHONY, T. GANS, W.G. GRAHAM, P.D. MAGUIRE, Z. LJ. PETROVIC
Ultrasmall radio frequency driven microhollow cathode discharge
Appl. Phys. Lett., 93 (2008) 011501

D. O'CONNELL, T. GANS, D.L. CRINTEA, U. CZARNETZKI, N. SADEGHI
Plasma dynamics in an inductively coupled magnetic neutral loop discharge
Plasma Sources Sci. Tech., 17 (2008) 024022

D. O'CONNELL, T. GANS, D.L. CRINTEA, U. CZARNETZKI, N. SADEGHI
Neutral gas depletion mechanisms in dense low-temperature argon plasmas
Journal of Physics D: Applied Physics, 41 (2008) 035208

K. NIEMI, S. REUTER, L. SCHAPER, N. KNAKE, V. SCHULZ-VON DER GATHEN, T. GANS
Diagnostics on an atmospheric pressure plasma jet
Journal of Physics: Conf. Series, 71 (2007) U152

V. SCHULZ-VON DER GATHEN, V. BUCK, T. GANS, N. KNAKE, K. NIEMI, S. REUTER, L. SCHAPER, J. WINTER
Optical diagnostics of micro discharge jets
Contr. Plasma Phys., 47 (2007) 510

M. SCHULZE, D. O'CONNELL, T. GANS, P. AWAKOWICZ, A. VON KEUDELL
Rotation of a nanoparticle cloud in an inductively coupled plasma induced by weak static magnetic fields
Plasma Sources Sci. Tech., 16 (2007) 774

J. SCHULZE, T. GANS, D. O'CONNELL, U. CZARNETZKI, A.R. ELLINGBOE, M.M. TURNER
Space and phase resolved plasma parameters in an industrial dual-frequency capacitively coupled radio-frequency discharge
Journal of Physics D: Applied Physics, 40 (2007) 7008

D. O'CONNELL, D. L. CRINTEA, T. GANS, U. CZARNETZKI
Spatial structures of plasma parameters in a neutral loop discharge
Plasma Sources Sci. Tech., 16 (2007) 543

T. GANS, D. L. CRINTEA, D. O'CONNELL, U. CZARNETZKI
A planar inductively coupled magnetic neutral loop discharge
Journal of Physics D: Applied Physics, 40 (2007) 4508

M. OSIAC, T. SCHWARZ-SELINGER, D. O'CONNELL, B. HEIL, M.M. TURNER, Z.LJ. PETROVIC, T. GANS, U. CZARNETZKI
Plasma boundary sheath dynamics in the afterglow of a pulsed inductively coupled RF plasma
Plasma Sources Sci. Tech., 16 (2007) 355

D. O’CONNELL, T. GANS, D. VENDER, U. CZARNETZKI, R. BOSWELL
Plasma ionisation through wave particle interaction in a capacitively coupled
Physics of Plasmas, 14 (2007)

M. ABDEL-RAHMAN, V. SCHULZ-VON DER GATHEN, T. GANS
Transition phenomena in a radio-frequency inductively coupled plasma
Journal of Physics D: Appl. Phys., 40 (2007) 1678

T. GANS, D. O'CONNELL, J. SCHULZE, V.A. KADETOV, U. CZARNETZKI
Diagnostics for the dynamics of power dissipation in technologically used plasmas
Physics of Ionized Gases, 876 (2006) 433

D.A. KOVACS, T. BABKINA, T. GANS, U. CZARNETZKI, D. DIESING
Electronic excitation in metals through hyperthermal atoms
J. Phys D: Appl. Phys., 39 (2006) 5224

T. GANS, J. SCHULZE, D. O'CONNELL, U. CZARNETZKI, R. FAULKNER, A.R. ELLINGBOE, M.M. TURNER
Frequency coupling in dual-frequency capacitively coupled radio-frequency plasmas
Appl. Phys. Lett., 89 (2006) 261502

M. ABDEL-RAHMAN, V. SCHULZ-VON DER GATHEN, T. GANS, K. NIEMI, H.F. DÖBELE
Determination of the degree of dissociation in an inductively-coupled hydrogen plasma using optical emission spectroscopy and laser diagnostics
Plasma Sources Sci. Tech., 15 (2006) 620

M. ABDEL-RAHMAN, T. GANS, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Space and time resolved rotational state populations and gas temperatures in an inductively coupled hydrogen RF discharge
Plasma Sources Sci. Technol., 14 (2005) 51

T. KAMPSCHULTE, J. SCHULZE, T. GANS, U. CZARNETZKI, S. MARKE, T. WALLENDORF
Phase and space resolved optical emission spectroscopic investigations of an inductively coupled RF plasma using an imaging acousto-optic spectrometer
Surface and Coatings Technology, 200 (2005) 859

T. GANS, M. OSIAC, D. O'CONNELL, V:A: KADETOV, U. CZARNETZKI, T. SCHWARZ-SELINGER, H. HALFMANN, P. AWAKOWICZ
Characterisation of stationary and pulsed inductively coupled RF discharges for plasma sterilisation
Plasma Physics and Controlled Fusion, 47 (2005) A353

T. BABKINA, T. GANS, U. CZARNETZKI
Hyper-thermal hydrogen atoms generated through surface neutralisation of ions
Europhysics Letters, 72 (2005) 235

T. GANS, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Spectroscopic measurements of phase-resolved electron energy distribution functions in RF excited discharges
Europhysics Letters, 66 (2004) 232

T. GANS, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Prospects of phase resolved optical emission spectroscopy as a powerful diagnostic tool for rf discharges
Contr. Plasma Phys., 44 (2004) 535

PAMELA J ET AL.
Overview of JET results
Nuclear Fusion 43: (2003) 1540

T. GANS, CHUN C. LIN, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Phase-resolved emission spectroscopy of a hydrogen rf discharge for the determination of quenching coefficients
Phys. Rev. A, 67 (2003) 012707

A. FRANCIS, T. GANS, K. NIEMI, U. CZARNETZKI, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Measurement of quenching coefficients and development of calibration methods for quantitative spectroscopy of plasma at elevated pressures
Selected research papers on spectroscopy of non-equilibrium plasmas at elevated pressures, Vladimir N. Ochkin, Editor, Proceedings of SPIE Vol. 4460 (2002) 122-133

T. GANS, V. SCHULZ-VON DER GATHEN, U. CZARNETZKI, H.F. DÖBELE
Observation of fast hydrogen atoms formed by ion bombarding of surfaces
Contr. Plasma Phys. 42 (2002) 596

T. GANS, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Time dependence of rotational state populations of excited hydrogen molecules in an rf excited plasma reactor
Plasma Sources Sci. Technol., 10 (2001) 17-23

T. GANS, CHUN C. LIN, V. SCHULZ-VON DER GATHEN, H.F. DÖBELE
Determination of quenching coefficients in a hydrogen RF discharge by time resolved optical emission spectroscopy
J. Phys. D: Appl. Phys., 34 (2001) L39-L42

V. SCHULZ-VON DER GATHEN, J. RÖPCKE, M. KÄNING, T. GANS, C. LUKAS, H.F. DÖBELE
Diagnostic studies of species concentrations in a capacitively coupled rf plasma containing CH4-H2-Ar
Plasma Sources Sci. Technol., 10 (2001) 530-539

H.M. KATSCH, A. TEWES, E. QUANDT, A. GOEHLICH, T. KAWETZKI, H.F. DÖBELE
Detection of atomic oxygen: Improvement of actinometry and comparison with laser spectroscopy
J. Appl. Phys., 88 (2000) 6232-6238

H.-M. KATSCH, A. GOEHLICH, T. KAWETZKI, E. QUANDT AND H.F. DÖBELE
Attachment-induced ionization instability of a radio frequency excited discharge in oxygen
Applied Physics Letters, 75 (1999) 2023-2025

A. GOEHLICH, T. KAWETZKI, H.F. DÖBELE
On absolute calibration with xenon of laser diagnostic methods based on two-photon absorption
Journal of Chemical Physics, 108 (1998) 9362-9370