Nanoscale density fluctuations in swift heavy ion irradiated amorphous SiO2

نویسندگان

  • P. Kluth
  • O. H. Pakarinen
  • F. Djurabekova
  • R. Giulian
  • M. C. Ridgway
  • A. P. Byrne
  • K. Nordlund
چکیده

amorphous SiO2 P. Kluth, O. H. Pakarinen, F. Djurabekova, R. Giulian, M. C. Ridgway, A. P. Byrne, and K. Nordlund Department of Electronic Materials Engineering, Australian National University, Canberra ACT 0200, Australia Department of Physics and Helsinki Institute of Physics, University of Helsinki, Helsinki, Finland Department of Nuclear Physics, Australian National University, Canberra ACT 0200, Australia

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Fine structure in swift heavy ion tracks in amorphous SiO2.

We report on the observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements. Tracks were generated by high energy ion irradiation with Au and Xe between 27 MeV and 1.43 GeV. In agreement with molecular dynamics simulations, the tracks consist of a core characterized by a significant density deficit compared to unirradiated material, surrounde...

متن کامل

Structural modification of swift heavy ion irradiated amorphous germanium layers

Swift heavy ion (SHI) irradiation of conventional glasses results in non-saturable plastic flow as a consequence of the ion hammering effect [1]. SHI irradiation of amorphous Si (a-Si) at non-perpendicular incidence also leads to unsaturated plastic flow, which shows a linear dependence on the ion fluence. The positive direction of flow suggests that a liquid phase with density similar to that ...

متن کامل

Triggering of spin-flipping-modulated exchange bias in FeCo nanoparticles by electronic excitation

The exchange coupling between ferromagnetic (FM)-antiferromagnetic (AF) interfaces is a key element of modern spintronic devices. We here introduce a new way of triggering exchange bias (EB) in swift heavy ion (SHI) irradiated FeCo-SiO2 films, which is a manifestation of spin-flipping at high irradiation fluence. The elongation of FeCo nanoparticles (NPs) in SiO2 matrix gives rise to perpendicu...

متن کامل

Formation of swift heavy ion tracks on a rutile TiO2 (001) surface1

Nanostructuring of surfaces and two-dimensional materials using swift heavy ions offers some unique possibilities owing to the deposition of a large amount of energy localized within a nanoscale volume surrounding the ion trajectory. To fully exploit this feature, the morphology of nanostructures formed after ion impact has to be known in detail. In the present work the response of a rutile TiO...

متن کامل

Tracks and voids in amorphous Ge induced by swift heavy-ion irradiation.

Ion tracks formed in amorphous Ge by swift heavy-ion irradiation have been identified with experiment and modeling to yield unambiguous evidence of tracks in an amorphous semiconductor. Their underdense core and overdense shell result from quenched-in radially outward material flow. Following a solid-to-liquid phase transformation, the volume contraction necessary to accommodate the high-densit...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2011