• rajta.istvan[~S+P-Á-M]atomki.hu

• Laboratory of Materials Science

• Fókuszált ionnyalábok alkalmazása ionnyaláb-analitikára és protonnyaláb-megmunkálásra
• Ipari és orvosi alkalmazások

• Elemanalízis és elemtérkép-felvétel
• Production of micromechanical components
• Elemental mapping of surfaces with micrometer lateral resolution

• Establishing a world class research environment at the new Tandetron Laboratory of MTA Atomki
• Research and development with ion beams – Advancing technology in Europe
• Research Infrastructure Access in Nanoscience & Nanotechnology
• Establishing a world class research environment at the new Tandetron Laboratory of MTA Atomki
• Investigation of atomic and molecular processes using ultrashort light and electron pulses at the ELI-ALPS, development of methods and experimental tools
• Nuclear technology research and development based on particle accelerators

Profiles

Scopus 
WoS 
Orcid 
Scholar 
LinkedIn 
ResearchGate 
Hungarian Doctoral Council 

Selected publications

1. F. Watt, J.A. van Kan, I. Rajta, A.A. Bettiol, T.F. Choo, M.B.H. Breese, T. Osipowicz:
   The National University of Singapore high energy ion nano-probe facility: Performance tests
   Nuclear Instruments and Methods B210 (2003) 14-20
   DOI: https://doi.org/10.1016/S0168-583X(03)01003-6

2. O. Romanenko, V. Havranek, A. Mackova, M. Davidkova, M. Cutroneo, A.G. Ponomarev, G.U.L. Nagy, J. Stammers, I. Rajta: 
   Performance and application of heavy ion nuclear microbeam facility at the Nuclear Physics Institute in Řež, Czech Republic
   Review of Scientific Instruments 90 (2019) 013701
   DOI: https://doi.org/10.1063/1.5070121

3. I. Rajta, I. Vajda, Gy. Gyürky, L. Csedreki, Á.Z. Kiss, S. Biri, H.A.P. van  Oosterhout, N.C. Podaru, D.J.W. Mous:
   Accelerator characterization of the new ion beam facility at MTA Atomki in Debrecen, Hungary
   Nuclear Instruments and Methods A880 (2018) 125-130
   DOI: https://doi.org/10.1016/j.nima.2017.10.073

4. I. Rajta, G.U.L. Nagy, I. Vajda, S.Z. Szilasi, G.W. Grime, F. Watt:
   First resolution test results of the Atomki nuclear nanoprobe
   Nuclear Instruments and Methods B449 (2019) 94-98
   DOI: https://doi.org/10.1016/j.nimb.2019.03.056

5. I. Uzonyi, I. Rajta, L. Bartha, Á.Z. Kiss, A.Nagy:
   Realization of the simultaneous micro-PIXE analysis of heavy and light elements at a nuclear microprobe
   Nuclear Instruments and Methods B181 (2001) 193-198
   DOI: https://doi.org/10.1016/S0168-583X(01)00370-6

6. G.Á. Sziki, I. Uzonyi, E. Dobos, I. Rajta, K.T. Biró, S. Nagy, Á.Z. Kiss:
   A new micro-DIGE set-up for the analysis of light elements
   Nuclear Instruments and Methods B 219-220 (2004) 508-513
   DOI: https://doi.org/10.1016/j.nimb.2004.01.112

7. U. Wätjen, I. Bársony, G.W. Grime, I. Rajta:
   On the interpretation of micro-PIXE measurements on a prototype microstructured reference material
   Nuclear Instruments and Methods B150 (1999) 532-537
   DOI: https://doi.org/10.1016/S0168-583X(98)01073-8

8. I. Rajta, G.A.B. Gál, S.Z. Szilasi, Z. Juhász, S. Biri, M. Mátéfi-Tempfli, S. Mátéfi-Tempfli: 
   Nanochannel alignment analysis by scanning transmission ion microscopy
   Nanotechnology 21 (2010) 295704
   DOI: https://doi.org/10.1088/0957-4484/21/29/295704

9. G.A.B. Gál, I. Rajta, S.Z. Szilasi, Z. Juhász, S. Biri, Cs. Cserháti, A. Csik, B. Sulik:
   Scanning transmission ion microscopy of polycarbonate nanocapillaries
   Nuclear Instruments and Methods B269 (2011) 2322-2325
   DOI: https://doi.org/10.1016/j.nimb.2011.02.024

10. A.A. Bettiol, I. Rajta, E.J. Teo, J.A. van Kan, F. Watt:
    Proton beam micromachining: electron emission from SU-8 resist during ion beam irradiation
    Nuclear Instruments and Methods B190 (2002) 154-159
    DOI: https://doi.org/10.1016/S0168-583X(01)01276-9

11. J.A. van Kan, I. Rajta, K. Ansari, A.A. Bettiol, F. Watt:
    Nickel and copper electroplating of proton beam micromachined SU-8 resist
    Microsystem Technologies 8 (2002) 383-386
    DOI: https://doi.org/10.1007/s00542-001-0139-5

12. F. Watt, I. Rajta, J.A. van Kan, A.A. Bettiol, T. Osipowicz:
    Proton beam micromachined resolution standards for nuclear microprobes
    Nuclear Instruments and Methods B190 (2002) 306-311
    DOI: https://doi.org/10.1016/S0168-583X(01)01288-5

13. I. Rajta, I. Gómez-Morilla, M.H. Abraham, Á.Z. Kiss:
    Proton beam micromachining on PMMA, Foturan and CR-39 materials
    Nuclear Instruments and Methods B210 (2003) 260-265
    DOI: https://doi.org/10.1016/S0168-583X(03)01025-5

14. I. Rajta, E. Baradács, A.A. Bettiol, I. Csige, K. Tőkési, L. Budai, Á.Z. Kiss:
    Optimization of particle fluence in micromachining of CR-39
    Nuclear Instruments and Methods B231 (2005) 384-388
    DOI: https://doi.org/10.1016/j.nimb.2005.01.087

15. E. Baradács, I. Csige, I. Rajta:
    CO₂ treatment and vacuum effects in proton beam micromachining of PADC
    Radiation Measurements 43 (2008) 1354-1356
    DOI: https://doi.org/10.1016/j.radmeas.2008.02.007

16. T.C. Sum, A.A. Bettiol, H.L. Seng, I. Rajta, J.A. van Kan, F. Watt:
    Proton beam writing of passive waveguides in PMMA
    Nuclear Instruments and Methods B210 (2003) 266-271
    DOI: https://doi.org/10.1016/S0168-583X(03)01028-0

17. I. Rajta, S.Z. Szilasi, J. Budai, Z. Tóth, P. Petrik, E. Baradács:
    Refractive index depth profile in PMMA due to proton irradiation
    Nuclear Instruments and Methods B260 (2007) 400-404
    DOI: https://doi.org/10.1016/j.nimb.2007.02.052

18. S.Z. Szilasi, J. Budai, Z. Pápa, R. Huszánk, Z. Tóth, I. Rajta:
    Refractive index depth profile and its relaxation in polydimethylsiloxane (PDMS) due to proton irradiation
    Materials Chemistry and Physics 131 (2011) 370-374
    DOI: https://doi.org/10.1016/j.matchemphys.2011.09.058

19. S.Z. Szilasi, J. Kokavecz, R. Huszánk, I. Rajta:
    Compaction of poly(dimethylsiloxane) (PDMS) due to proton beam irradiation
    Applied Surface Science 257 (2011) 4612-4615
    DOI: https://doi.org/10.1016/j.apsusc.2010.12.095

20. S.Z. Szilasi, N. Hegman, A. Csik, I. Rajta:
    Creation of convex microlenses in PDMS with focused MeV ion beam,
    Microelectronic Engineering 88 (2011) 2885-2888
    DOI: https://doi.org/10.1016/j.mee.2011.03.007

21. G.U.L. Nagy, V. Lavrentiev, I. Bányász, S.Z. Szilasi, V. Havranek, V. Vosecek, R. Huszánk, I. Rajta:
    Compaction of polydimethyl-siloxane due to nitrogen ion irradiation and its application for creating microlens arrays
    Thin Solid Films 636 (2017) 634-638
    DOI: https://doi.org/10.1016/j.tsf.2017.07.015

22. I. Rajta, S.Z. Szilasi, P. Fürjes, Z. Fekete, Cs. Dücső:
    Si micro-turbine by proton beam writing and porous silicon micromachining
    Nuclear Instruments and Methods B267 (2009) 2292-2295
    DOI: https://doi.org/10.1016/j.nimb.2009.03.087

23. I. Rajta, R. Huszánk, A.T.T. Szabó, G.U.L. Nagy, S.Z. Szilasi, P. Fürjes, E. Holczer, Z. Fekete, G. Járvás, M. Szigeti, L. Hajba, J. Bodnár, A. Guttman:
    Tilted pillar array fabrication by the combination of proton beam writing and soft lithography for microfluidic cell capture: Part 1 Design and feasibility
    Electrophoresis 37 (2016) 498-503
    DOI: https://doi.org/10.1002/elps.201500254

24. G. Járvás, T. Varga, M. Szigeti, L. Hajba, P. Fürjes, I. Rajta, A. Guttman:
    Tilted pillar array fabrication by the combination of proton beam writing and soft lithography for microfluidic cell capture Part 2: Image sequence analysis based evaluation and biological application
    Electrophoresis 39 (2018) 537-539
    DOI: https://doi.org/10.1002/elps.201700268

25. I. Rajta, I. Borbély-Kiss, Gy. Mórik, L. Bartha, E. Koltay, Á.Z. Kiss:
    The new Atomki scanning proton microprobe
    Nuclear Instruments and Methods B109 (1996) 148-153
    DOI: https://doi.org/10.1016/0168-583X(95)00897-7

26. I. Bányász, E. Szilágyi, I. Rajta, G.U.L. Nagy, S. Pelli, G. Nunzi Conti, S. Berneschi, V. Havránek, V. Voseček, N. Nagy, Z. Szabó, M. Veres, A. Speghini:
    Fabrication of low loss channel waveguide in tungsten-tellurite glass by 11 MeV carbon ion microbeam for telecom C band
    Optical Materials X 4 (2019) 100035
    DOI: https://doi.org/10.1016/j.omx.2019.100035

27. S.Z. Szilasi, R. Huszánk, A. Csik, Cs. Cserháti, I. Rajta:
    PDMS patterning by proton beam
    Nuclear Instruments and Methods B267 (2009) 2296-2298
    DOI: https://doi.org/10.1016/j.nimb.2009.03.038

28. R. Huszánk, S.Z. Szilasi, I. Rajta, A. Csik:
    Fabrication of optical devices in poly(dimethylsiloxane) by proton microbeam
    Optics Communications 283 (2010) 176-180
    DOI: https://doi.org/10.1016/j.optcom.2009.09.066

29. R. Huszank, I. Rajta, Cs. Cserháti:
    Proton beam lithography in negative tone liquid phase PDMS polymer resist
    Nuclear Instruments and Methods B348 (2015) 213-217
    DOI: https://doi.org/10.1016/j.nimb.2014.12.053