Evaluation of the inelastic mean free path (IMFP) of electrons in polyaniline and polyacetylene samples obtained from elastic peak electron spectroscopy (EPES)

Central European Journal of Physics

Volumn 5, Issue 2, 2007, Pages 188-200

  Gergely, György ^a   Menyhard, Miklós ^a   Sulyok, Attila ^a   Gurban, Sándor ^a   Lesiak, Beata ^b   Jablonski, Aleksander ^b   Kosinski, Andrzej ^b   Toth, József ^c   Varga, Dezso ^c  

^a RESEARCH INSTITUTE FOR TECHNICAL PHYSICS AND MATERIALS SCIENCE   (Hungary)

^b INSTITUTE OF PHYSICAL CHEMISTRY   (Poland)

^c WIGNER RESEARCH CENTRE FOR PHYSICS   (Hungary)

Author keywords

EPES; IMFP; Polymers; Surface excitation

Indexed keywords

EID: 34147207210     PISSN: 18951082     EISSN: 16443608     Source Type: Journal    
DOI: 10.2478/s11534-007-0012-y     Document Type: Article

References (26)

1. C.J. Powell and A. Jablonski: "Evaluation of Calculated and Measured Electron Inelastic Mean Free Paths Near Solid Surfaces", J. Phys. Chem. Ref. Data, Vol. 28, (1999), pp. 19-62.
2. B. Lesiak, A. Kosinski, A. Jablonski, L. Kövér, J. Tóth, D. Varga and I. Cserny: "Determination of the inelastic mean free path of electrons in polyaniline samples by elastic peak electron spectroscopy", Surf. Interface Anal., Vol. 29, (2000), pp. 614-623.
3. B. Lesiak, A. Kosinski, M. Krawczyk, L. Zommer, A. Jablonski, J. Zemek, P. Jiricek, L. Kövér, J. Tóth, D. Varga and I. Cserny: "Determination of the electron inelastic mean free path in polyacetylene by elastic peak electron spectroscopy using different spectrometers", Appl. Surf. Sci., Vol. 144, (1999), pp. 168-172.
4. G. Gergely: "Elastic backscatterDng of electrons: determination of physical parameters of electron transport processes by elastic peak electron spectroscopy", Prog. Surf. Sci., Vol. 71, (2002), pp. 31-88.
5. A. Jablonski and P. Jiricek: "Dependence of experimentally determined inelastic mean free paths of electrons on the measurement geometry", Surf. Sci., Vol. 412-413, (1998), pp. 42-54.
6. NIST Electron Elastic-Scattering Cross-Section Database, Standard Reference Data Program, SRD 64, National Institute of Standards and Technology, Gaithersburg MD, 1996, v. 1.0.
7. W.H. Gries: "A Universal Predictive Equation for the Inelastic Mean Free Path-lengths of X-ray Photoelectrons and Auger Electrons", Surf. Interface Anal., Vol. 24, (1996), pp. 38-50.
8. S. Tanuma, C.J. Powell and D.R. Penn: "Calculations of electron inelastic mean free paths. V. Data for 14 organic compounds over the 50-2000 eV range", Surf. Interface Anal., Vol. 21, (1994), pp. 165-176.
9. P.J. Cumpson: "Estimation of inelastic mean free paths for polymers and other organic materials: Use of quantitative structure-property relationships", Surf. Interface Anal., Vol. 31, (2001), pp. 23-34.
10. G. Gergely, M. Menyhard, A. Sulyok, G.T. Orosz, B. Lesiak, A. Jablonski, J. Tóth and D. Varga: "Surface excitation of selected conducting polymers studied by elastic peak electron spectroscopy (EPES) and reflection electron energy loss spectroscopy (REELS)", Surf. Interface Anal., Vol. 36, (2004), pp. 1056-1059.
11. A. Jablonski: "Determination of the electron inelastic mean free path in solids from the elastic electron backscattering intensity", Surf. Interface Anal., Vol. 37, (2005), pp. 1035-1044.
12. A. Jablonski, F. Salvat and C.J. Powell: NIST Electron Elastic-Scattering Cross-Section Database, Standard Reference Data Program, SRD 64, National Institute of Standards and Technology, Gaithersburg MD, 2003, v. 3.1, http://www.nist.gov/srd/nist64.htm url.
13. C.M. Kwei, C.Y. Wang and C.J. Tang: "Surface excitation parameters of low-energy electrons crossing solid surfaces", Surf. Interface Anal., Vol. 26, (1998), pp. 682-688.
14. Y.F. Chen: "Surface effects on angular distributions in X-ray-photoelectron spectroscopy", Surf. Sci., Vol. 519, (2002), pp. 115-124.
15. W. S. M. Werner, W. Smekal, C. Tomastik and H. Störi: "Surface excitation probability of medium energy electrons in metals and semiconductors", Surf. Sci., Vol. 486, (2001), pp. L461-L466.
16. S. Tanuma, S. Ichimura and K. Goto: "Estimation of surface excitation correction factor for 200-5000 eV in Ni from absolute elastic scattering electron spectroscopy", Surf. Interface Anal., Vol. 30, (2000), pp. 212-216.
17. G. Gergely, M. Menyhard, S. Gurban, J. Tóth and D. Varga: "Experimental measurements of the surface excitation parameters of Cu, Au, Ni, Ag, Ge and Pd based on Si and other reference standard materials", Surf. Interface Anal., Vol. 36, (2004), pp. 1098-1101.
18. T. Nagatomi: "Absolute determination of inelastic mean-free paths and surface excitation parameters by absolute reflection electron energy loss spectrum analysis", App. Phys. Lett., Vol. 87, (2005), pp. 224107-224109.
19. K. Salma, Z.J. Ding, H.M. Li and Z.M. Zhang: "Surface excitation probabilities in surface electron spectroscopies", Surf. Sci., Vol. 600, (2006), pp. 1526-1539.
20. C.M. Kwei, Y.C. Li and C.J. Tung: "Angular and energy dependences of the surface excitation parameter for electrons crossing a solid surface", Surf. Sci., Vol. 600, (2006), pp. 3690-3694.
21. H. Boersch, R. Wolter and H. Schoenebeck: "Elastische energieverluste kristallgestreuter elektronen", Z. Physik, Vol. 199, (1967), pp. 124-134.
22. D. Laser and M.P. Seah: "Reassessment of energy transfers in the quasi elastic scattering of 250-3000 eV electrons at surfaces", Phys. Rev. B, Vol. 47, (1993), pp. 9836-9839.
23. D. Varga, K. To′kési, Z. Berényi, J. Tóth and L. Kóvér: "Observation of the hydrogen peak in the spectra of electrons backscattered from polyethylene", Surf. Interface Anal., Vol. 38, (2006), pp. 544-547.
24. G. T. Orosz, A. Sulyok, G. Gergely, S. Gurbán and M. Menyhard: "Calculation of the surface excitation parameter for Si and Ge from measured electron backscattered spectra by means of a Monte-Carlo simulation", Microsc. Microanal., Vol. 9, (2003), pp. 343-348.
25. A. Jablonski and C.J. Powell: "Information depth for elastic-peak electron spectroscopy", Surf. Sci., Vol. 551, (2004), pp. 106-124.
26. A. Jablonski, I.S. Tilinin and C.J. Powell: "Mean escape depth of signal photoelectrons from amorphous and polycrystalline solids", Phys. Rev. B, Vol. 54, (1996), pp. 10927-10937.