Diffusion in nanoscale

• Autorzy: Beke D. I. , Erdelyi Z. , Szabo I. A. , Langer G. A. , Katona G. , Cserhati C.

Warianty tytułu

PL

Dyfuzja w nanoskali

• Konferencja: Summer School on Mass and Charge Transport in Materials (13-17 July 2004; Kraków, Poland)
• Języki publikacji: EN

Abstrakty

EN

Mass transport on nanoscale has specific features because of the presence of high number of grain- and interphase boundaries, as well as because of the fundamental problems related to the very short diffusion distances. In the first part examples on the changes (as the micro-metre scale is reduced to nanometre dimensions) of the overall mass transport due to the boundary effects are exposed. Then examples of processes, in which the diffusion coefficient depends strongly on the concentration (non-linearity) and the diffusion distance is typically few nanometres, will be discussed.

PL

Opis transportu masy rozpatrywanego w skali nano posiada swoją specyfikę ze względu na znaczną ilość granic tak miedzyziarnowych jak i miedzyfazowych oraz na istotne problemy związane z bardzo niewielką drogą dyfuzji. W pierwszej części opracowania przedstawiono przykłady zmian transportu masy zwiazanych z efektami granicznymi. Następnie dyskutowane są przykłady procesów, w których współczynnik dyfuzji silnie zależy od stężenia i gdy typowa droga dyfuzji wynosi kilka nanometrów.

Słowa kluczowe

EN

diffusion; nanoscale

PL

dyfuzja; nanoskala

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2004
• Tom: Vol. 49, iss. 2
• Strony: 219--235
• Opis fizyczny: Bibliogr. 37 poz., rys.

Twórcy

autor

Beke D. I.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

autor

Erdelyi Z.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

autor

Szabo I. A.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

autor

Langer G. A.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

autor

Katona G.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

autor

Cserhati C.

• Departament of Solid State Physics, University of Debrecen, 4010 Debrecen, P.O. Box 2, Hungary

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