Evgenia Benova, Plamena Marinova, Mariana Atanasova and Tzvetelina Petrova

Surface-wave-sustained argon plasma kinetics from intermediate to atmospheric pressure

Phys. D: Appl. Phys. **51** (2018) 474004

https://doi.org/10.1088/1361-6463/aae34d

František Krčma, Ivan Tsonev, Kateřina Smejkalová, Darina Truchlá, Zdenka Kozáková, Maya Zhekova, Plamena Marinova, Todor Bogdanov, Evgenia Benova

Microwave micro torch generated in argon based mixtures for biomedical applications

Phys. D: Appl. Phys. **51** (2018) *in press*

https://doi.org/10.1088/1361-6463/aad82b

Todor Bogdanov, Ivan Tsonev, Plamena Marinova, Evgenia Benova, Krasimir Rusanov, Mila Rusanova, Ivan Atanassov, Zdenka Kozáková and František Krcma

Microwave Plasma Torch Generated in Argon for Small Berries Surface Treatment

Appl. Sci. **8** (2018) 1870

https://doi.org/10.1088/1361-6463/aad82b

Todorova Y., I. Yotinov, Y. Topalova, E. Benova, P. Marinova, I. Tsonev, T. Bogdanov

Evaluation of the effect of cold atmospheric plasma on oxygenases’ activities for application in water treatment technologies

Environmental Technology (2018)

doi.10.1080/09593330.2018.1491631

P Marinova, E Benova, Y Todorova, Y Topalova, I Yotinov, M Atanasova and F Krcma

Surface-wave-sustained plasma torch for water treatment

Journal of Physics: Conf. Series** 982** (2018) 012009

doi :10.1088/1742-6596/982/1/012009

Bogdanov, I. Tsonev, M. Atanasova, P. Marinova, Y. Topalova, Y. Todorova, I. Yotinov, E. Benova

Surface-wave-sustained plasma source for biomedical applications

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by Yu. Lebedev; (Yanus-K Moscow, 2018), (10 стр.)

Benova, P. Marinova, T. Bogdanov, I. Tsonev, F. Krčma, Y. Topalova, Y. Todorova, I. Yotinov

Interaction of microwave plasma torch sustained by travelling electromagnetic wave with liquids

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by Yu. Lebedev; (Yanus-K Moscow, 2018)

Nedyalkova S., Bozhanova V., Benova E ., Marinova P., Tsonev I., Bogdanov T., Koleva M

Study on the effect of cold plasma on the germination and growth of durum wheat seeds contaminated with Fusarium graminearum

in *Proc. International Agricultural, Biological & Life science Conference, *(Edirne, Turkey, September 2–5, 2018)

Todor Bogdanov, Evgenia Benova

Theoretical parametric investigation of plasma sustained by traveling electromagnetic wave in coaxial configuration

June 2018 Vacuum 155

DOI: 10.1016/j.vacuum.2018.06.010

M Atanasova, E Benova,G Degrez,and J J A Mvan der Mullen

Modelling of Argon Cold Atmospheric Plasmas for Biomedical Applications

Journal of Physics: Conf. Series **982** (2018) 012006

P Marinova, E Benova, Y Todorova, Y Topalova, I Yotinov, M Atanasova and F Krcma

Surface-wave-sustained plasma torch for water treatment

Journal of Physics: Conf. Series **982** (2018) 012009

**Evgenia Benova**, Mariana Atanasova, Todor Bogdanov, Plamena Marinova, Frantisek Krcma, Vera Mazankova, Lukas Dostal

Microwave plasma torch at water surface

Plasma Medicine **6**(1): 59–65 (2016)

Benova, Y. Topalova, P. Marinova, Y. Todorova, M. Atanasova, T. Bogdanov, I. Yotinov

Surface-wave-sustained plasma for model biological systems treatment,

in* XXXIII ICPIG, July 9-14, 2017, Estoril/Lisbon, Portugal*, 2017, 87

Todorova Y, Yotinov I, Topalova Y, Marinova P, Benova E, Atanasova M, Bogdanov T,

Innovative sterilization technology-bacterial inactivation by cold argon plasma,

*in **BioDiscovery* 20: e21977, 2017

(https://biodiscovery.pensoft.net/articles.php?id=21977)

А.В. Федотова, В.О. Дряхлов, И.Г. Шайхиев, М.Ф. Шаехов, Е. Бенова, И.Г. Гафаров,

Результаты воздействия йонного потока ВЧ емкостного разряда на характеристики полисульфонамидных мембран,

in *XXIII Международная конференция Взаимодействие ионов с поверхностью «ВИП – 2017», 21-25 августa 2017 г., Москва, Россия, *том 3, 2017, 300–303

Gafarov, G. Paskalov, I. Shaihiev, L. Adjarova, E. Benova and V. Dryahlov,

Interactions between RF plasma and porous materials,

ISPC, July 31th to August 4th, 2017, Montreal, Canada

Bogdanov, **E. Benova**

Effect of geometry parameters on wave and plasma characteristics of coaxial microwave discharge

In *Proc. 32 ^{nd} *

*ICPIG, July 26-31, 2015, Ia*

*ș*

*i, Romania*

Marinova, M. Atanasova, **E. Benova**.

Heavy particles and rate coefficients in HF and MW discharges in Argon at atmospheric pressure

In *Proc. 32 ^{nd} *

*ICPIG, July 26-31, 2015, Ia*

*ș*

*i, Romania*

Ivanov, T. Bogdanov, **E. Benova**.

Theoretical study of plasma sustained around dielectric cylinder by travelling electromagnetic wave

In *Proc. 32 ^{nd} *

*ICPIG, July 26-31, 2015, Ia*

*ș*

*i, Romania*

Atanasova, P. Marinova, J. J. A. M. van der Mullen, **E. Benova**

The reaction kinetics of atmospheric pressure MW plasmas

In *Proc. 32 ^{nd} *

*ICPIG, July 26-31, 2015, Ia*

*ș*

*i, Romania*

**Benova**, M. Atanasova, P. Marinova

Effect of dielectric tube thickness and permittivity on microwave plasma sustained by traveling wave

In *Microwave Discharges: Fundamentals and Applications, *eds. A. Gamero, A. Sola, UCOPress Editorial Universidad de Cordoba, Spain (2015) 51–56.

**Benova**, T. Bogdanov, K. Ivanov

Wave and plasma characteristics of surface-wave-sustained discharges at various geometrical configurations and azimuthal wave modes

In *Microwave Discharges: Fundamentals and Applications, *ed. A. Gamero, A. Sola, UCOPress Editorial Universidad de Cordoba, Spain (2015) 69–74.

Marinova, M. Atanasova, E. Benova

Effect of gas discharge conditions on argon surface-wave-sustained plasma torch kinetics.

In *Proc. 22 ^{nd} International Symposium on Plasma Chemistry, July 5–10, 2015; Antwerp, Belgium, *2015, P-I-2-44.

M. Atanasova, P. Marinova, T. Bogdanov, Tz. Petrova, E. Benova

Argon kinetics in microwave atmospheric pressure discharges

In *ESCAMPIG XXII, Greifswald, Germany, July 15-19, 2014*

Todor Bogdanov, Evgenia Benova

Plasma characteristics of low-pressure coaxial discharge

In *ESCAMPIG XXII, Greifswald, Germany, July 15-19, 2014*

E. Benova, M. Pencheva-Atanasova, P. Marinova, V. Marchev, T. Petrova

Modelling of Argon plasma torch

In *Proc. **31st ICPIG, July 14-19, 2013, Granada, Spain**, 498_1*

E. Benova, P. Marinova, V. Marchev, M. Atanasova, Tz. Petrova

Effect of gas discharge conditions on argon surface-wave-sustained plasma kinetics

In *Proc. ESCAMPIG XXI, Viana do Castelo, Portugal, July 10-14 2012*

Atanasova, M., Carbone, E.A.D., Mihailova, D., Benova, E., Degrez, G., Van Der Mullen, J.J.A.M.

Modelling of an RF plasma shower

Journal of Physics D: Applied Physics, **45** (2012) 145202

Ivanov, K., Bogdanov, T., Benova, E.

The role of plasma radius as a condition for sustaining a coaxial discharge at various wave modes

Journal of Physics: Conference Series **356** (2012) 012045

Dimitrova, M., Ivanova, P., Kotseva, I., Popov, T.K., Benova, E., Bogdanov, T., Stöckel, J., Dejarnac, R.

Evaluation of the plasma parameters in COMPASS tokamak divertor area

Journal of Physics: Conference Series **356** (2012) 012007

M Atanasova, D Mihailova, E Carbone, J van Dijk, J J A M van der Mullen, E Benova and G Degrez

Investigation of the gas flow effect on an atmospheric pressure RF plasma torch

Journal of Physics: Conference Series **275 **(2011) 012012

M. Atanasova, E. A. D. Carbone, D. Mihailova, J. van Dijk, J. J. A. M. van der Mullen, E. Benova, and G. Degrez

Two-Dimensional Modeling of the Active Species Flow Generated by an Atmospheric Plasma Jet

IEEE TRANSACTIONS ON PLASMA SCIENCE **39** (2011) 2348–2349

Z. Navrátil, L. Dosoudilová, T. Bogdanov, E. Benova, J. Hnilica and V. Kudrle

Determination of metastable densities in surface-wave neon plasma by self-absorption method

in *30th ICPIG, August 28 – September 2, 2011, Belfast, UK*, **B6** – 238

E. Benova, T. Petrova

Pressure and radius effects on main characteristics of surface-wave-sustained argon plasmas

in *30th ICPIG, August 28 – September 2, 2011, Belfast, UK*, **C9** – 252

P. Ivanova, Tsv. Popov, M. Dimitrova, E. Benova, T. Bogdanov, J. Stöckel, R. Dejarnac

Precise evolution of the plasma potential in COMPASS tokamak divertor area

Acta Technica **56** (2011) T71–T83

E. Benova, M. Pencheva

The main properties of MW Argon plasma at atmospheric pressure

J. Phys.: Conference Series **207** (2010) 012020

also in *PLASMA for Environmental Issues*, Special Session of the 3rd IWSSPP, Kiten, Bulgaria, 2008, edited by E. Tatarova, A. Recard, E. Benova, Artgraf, Sofia (2009) pp. 44–49

T. Bogdanov, E Benova

The role of a metal screen on the coaxial discharge wave propagation characteristics

J. Phys.: Conference Series **207** (2010) 012031

E. Benova, T. Bogdanov

Optimization of Coaxial Discharge Operation Varying the Dielectric and Metal Rod characteristics

in *3**7**th EPS Conference on Plasma Phys. **Dublin**,** Ireland,**21–25* *June 20**1**0 ECA *Vol.**3****4A**, P5. 330 (2010), ISBN 2-914771-62-2

Benova, M. Pencheva, K. Pavlov

Comparison of Kinetic and Fluid Models of Surface-Wave-Sustained Argon Plasma

in *3**7**th EPS Conference on Plasma Phys. **Dublin**,** Ireland,**21–25* *June 20**1**0 ECA *Vol.**3****4A**, P2. 326 (2010), ISBN 2-914771-62-2

T. Bogdanov, E Benova

Theoretical study of electromagnetic wave modes sustaining the coaxial discharge

in *36th EPS Conference on Plasma Phys. **Sofia, June 29 – July 3, 2009 *ECA Vol.**33E**, P-1.087 (2009)

M. Pencheva, E Benova

Surface wave characteristics and 2D electromagnetic field distribution in atmospheric pressure plasma column

in *36th EPS Conference on Plasma Phys. **Sofia, June 29 – July 3, 2009 *ECA Vol.**33E**, P-2.115 (2009)

P. Ivanova, Tsv. Popov, E. Benova, T. Bogdanov, J. Stöckel, R. Dejarnac

Electron Langmuir probe current in Tokamak edge plasma

in *36th EPS Conference on Plasma Phys. **Sofia, June 29 – July 3, 2009 *ECA Vol.**33E**, P-5.210 (2009)

M. Pencheva, E. Benova, I. Zhelyazkov

Theoretical Study of Plasma Parameters Dependence on Gas Temperature in an Atmospheric Pressure Argon Microwave Discharge

in *PLASMA2007, **AIP Conference Proceedings ***993**, edited by H-J Hartfuss (2008)299–302

Zhelyazkov, M. Pencheva, E. Benova

Model of a Stationary Microwave Argon Discharge at Atmospheric Pressure

in *PLASMA2007, **AIP Conference Proceedings ***993**, edited by H-J Hartfuss (2008)303–306

E Benova, T. Bogdanov

Wave propagation characteristics of coaxial discharge sustained by travelling electromagnetic wave

in *35th EPS Conference on Plasma Phys. **Hersonissos, 9 *–* 13 June 2008 *ECA Vol.**32**, P-2.163 (2008)

Tsv. K. Popov, P. Ivanova, E. Benova, T. Bogdanov, F M. Dias, J. Stöckel, R. Dejarnac

On the Evaluation of the Plasma Potential and Electron Energy Distribution Function in Tokamak Edge Plasma

in *35th EPS Conference on Plasma Phys. **Hersonissos, 9 *–* 13 June 2008 *ECA Vol.**32**, P-4.081 (2008)

Mariana Pencheva, Evgenia Benova, Ivan Zhelyazkov, Zdravko Neichev

Some Characteristics of Surface-Wawe Propagation in an Atmospheric Pressures Argon Plasma Column

in *Meeting in Physics at University of Sofia*, vol. 8, ed. A. Proikova, Heron Press, Sofia, 2007, pp. 49–51

E Benova

Influence of the geometric factors on coaxial discharge characteristics

in *34th EPS Conference on Plasma Phys. Warsaw, 2 – 6 July 2007 *ECA Vol.**31F**, P-4.137 (2007)

E Iordanova, N de Vriens, E Benova, L Baede and J J A M van der Mullen

The effect of the introduction of small amount of H2 on Ar-plasma properties

J. Phys.: Conference Series **63** (2007) 012015

M Pencheva, E Benova and I Zhelyazkov

Surface wave propagation characteristics in atmospheric pressure plasma column

J. Phys.: Conference Series **63** (2007) 012023

Z Neichev, E Benova, A Gamero and A Sola

Phase diagrams and radial distribution of the electric field components of coaxial discharge

J. Phys.: Conference Series **63** (2007) 012024

Z. Neichev, E. Benova, A. Gamero and A. Sola

Theoretical and experimental investigation of plasma and wave characteristics of coaxial discharge at low pressure

J. Phys.: Conference Series **44** (2006) 133-139

M Pencheva, Ts Petrova, E Benova and I Zhelyazkov

Modelling of microwave sustained capillary plasma column at atmospheric pressure

J. Phys.: Conference Series **44** (2006) 110-115

J Torres, E Iordanova, E Benova, JJAM van der Mullen, A Gamero and A Sola

Temperature diagnostics in a high-pressure hydrogen microwave plasma torch I: experimental characterization

J. Phys.: Conference Series **44** (2006) 179-184

E Iordanova, J Torres, E Benova, A Gamero, A Sola, B H P Broks and J J A M van der Mullen

Characterization of a high-pressure hydrogen microwave plasma torch using the method of dBR

J. Phys.: Conference Series **44** (2006) 185-190

S Sabchevski, I Zhelyazkov, E Benova, V Atanassov, P Dankov, M Thumm, G Dammertz, B Piosczyk, S Illy, M Q Tran, S Alberti, and J-Ph Hogge

Development of new generation software tools for simulation of electron beam formation in novel high power gyrotrons

J. Phys.: Conference Series **44 **(2006) 96-101

S Sabchevski, I Zhelyazkov, E Benova, V Atanassov, P Dankov, M Thumm, A Arnold, J Jin and T Rzesnicki

Quasi-optical converters for high-power gyrotrons: a brief review of physical models, numerical methods and computer code

J. Phys.: Conference Series **44** (2006) 102-109

E. Benova

Self-consistent modelling of surface-wave-sustained discharges from low to atmospheric pressures

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by Yu. A. Lebedev, Yanus-K, Moscow 2006, pp. 9-18

Z. Neichev, E. Benova, A. Gamero and A. Sola

Radial Structure of Coaxial Discharges Sustained by Travelling Azimuthally Symmetric Waves

Humboldt Conference *Advances**in**Physics**and**Astrophysics**of**the** 21**st**Century***, **September 6–11, 2005, Varna, Bulgaria; e-Supplement to Bulgarian J. Phys., vol. 32 (3) 2005, and

in *Advances in Physics and Astrophysics of the 21st Century*, ed. I. Zhelyazkov, Heron Press, Sofia 2006, pp.229-234

M. Pencheva, Ts. Petrova, E. Benova and I. Zhelyazkov

Axial Distribution of the Charged and Excited Particles in Atmospheric Pressure Argon Capillary Plasma

Humboldt Conference *Advances**in**Physics**and**Astrophysics**of**the** 21**st**Century***, **September 6–11, 2005, Varna, Bulgaria; e-Supplement to Bulgarian J. Phys., vol. 32 (3) 2005, and

in *Advances in Physics and Astrophysics of the 21st Century*, ed. I. Zhelyazkov, Heron Press, Sofia 2006, 242-247

E Iordanova, J Torres, E Benova, A Gamero, A Sola

Investigation of an Argon Microwave Discharge Produced by the Axial Injection Torch

Humboldt Conference *Advances**in**Physics**and**Astrophysics**of**the** 21**st**Century***, **September 6–11, 2005, Varna, Bulgaria; e-Supplement to Bulgarian J. Phys., vol. 32 (3) 2005

M. Pencheva, G. Petrov, Ts. Petrova, E. Benova

A collisional-radiative model of an argon surface-wave-sustained plasma at atmospheric pressure

Vacuum **76** (2004) 409-412

E. Iordanova, Ts. Petrova, E. Benova

Dominant processes for excited atomic states population in Argon surface-wave plasma st low and intermediate pressure

Vacuum **76** (2004) 413-416

Z. Neichev, E. Benova

Optimizing the plasma parameters of a low pressure coaxial discharge

Vacuum **76** (2004) 393-396

E. Benova, Z. Neichev

Modelling of low-pressure surface wave sustained plasma – coaxial structure and cylindrical column

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by A. Ohl, 2003 INP Greifswald, pp 1210-124

M. Pencheva, E. Benova, I Zhelyazkov

Electrodynamic model of microwave discharges at atmospheric pressure

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by A. Ohl, 2003 INP Greifswald, pp 170-173

E. Benova, Z. Neichev

Axial model of a coaxial discharge sustained by travelling UHF electromagnetic wave

Czechoslovak J. Phys. **52** (2002) D659-D665

E. Benova, M. Pencheva, Ts. Petrova, G. Petrov, M. C. Garcia, A. Gamero, A. Sola

Heavy particle densities in atmospheric pressure surface-wave sustained argon plasma

in *Symposium Proc. 15th Int. Symposium on Plasma Chemistry*, edited by A. Bouchoule, J. M. Pouvesle, A. L. Thomann, J. M. Bauchire and E. Robert, 2001, GREMI, CNRS, University of Orleans, volume IV, pp 1435-1439

E. Benova, Ts. Petrova, E. Iordanova

Dinamics of excited states populating processes in argon surface-wave sustained discharge

*ibid. *pp 1279-1284

E. Benova and Ts. Petrova

Influence of the wave frequency on the heavy particles axial behavior in argon surface-wave sustained plasma

in *MICROWAVE DISCHARGES: Fundamental and Applications*, edited by Yu. A. Lebedev, 2001 Yanus-K, Moscow, pp 7-14

C. Lao, A. Gamero. A. Sola, Ts. Petrova, E. Benova, G. Petrov, and I. Zhelyazkov

Populations of excited atomic states along argon surface-wave plasma columns at low and intermediate pressures

J. Appl. Phys. **87** (2000) 7652-7659

E. Benova, S. T. Ivanov, and A. A. Rukhadze

Surface waves in a plasma flow

J. Plasma Phys. **63** (2000) 489-493

E. Benova, T. Petrova

Surface-wave sustained discharges – self-consistent modelling

Bulg. J. Phys. **27** (2000) 25-29

Ts. Petrova, E. Benova, G. Petrov, and I. Zhelyazkov

Self-consistent axial modeling of surface-wave produced discharges at low and intermediate pressures

Phys. Rev. E **60** (1999) 875-886

E. Benova

Excited atoms and charged particles axial distributions in argon microwave plasmas at various gas pressures

in *Advenced Technologies Based on Wave and Beam Generated Plasmas*, eds. H. Schlüter and A. Shivarova, 1999 Kluwer Academic Publishers, pp. 535-536

S. T. Ivanov, E. T. Benova and K. V. Avramov

Electromagnetic waves in a magnetized plasma column

*ibid.* pp. 545-548

E. Benova, Ts. Petrova, A. Blagoev and I. Zhelyazkov

Modeling of an axially inhomogeneous microwave argon plasma column at a moderate pressure

J. Appl. Phys. **84** (1998) 147–153

E. Benova, Ts. Petrova, A. Blagoev and I. Zhelyazkov

Axial distributions of metastable atoms and charged particles in a UHF argon plasma column at moderate pressures

J. Appl. Phys. **79** (1996) 3848-3852

E Benova, I Zhelyazkov, P Staikov and F Cap

Modeling of a plasma column produced and sustained by a traveling electromagnetic wave in the presence of a constant axial magnetic field

Phys. Rev. A **44** (1991) 2625-2640

I Zhelyazkov and E Benova

Modeling of a plasma column produced and sustained by a traveling electromagnetic surface wave

J. Appl. Phys. **66** (1989) 1641-1650

I Zhelyazkov, E Benova and V Atanassov

Theoretical study of a plasma column sustained by a guided electrostatic wave in the presence of a constant axial magnetic field

J. Appl. Phys. **62** (1987) 2713- 2721

I Zhelyazkov, E Benova and V Atanassov

Axial structure of a plasma column produced by a large-amplitude electromagnetic surface wave