Photoelectron spectroscopy and microscopy on magnetic nano particles embedded into block copolymers

  • The formation of metallic nano particles stored in thin films of block copolymers has been investigated by means of synchrotron radiation based photoemission spectroscopy (PES) and microscopy (PEEM). Empty channels in poly(styrene-block-4-vinylpyridine) copolymer with diameters of tens of nanometers filled with CrO2, Cr2O3 and Ni provide ideal bases for performing electron spectroscopy with energy and lateral resolution on magnetic nano particles. We present UPS, XPS, NEXAFS spectra and PEEM images on and off the C 1s, Cr 2p, Ni 2p resonances and discuss the geometric and electronic structure of such compounds. The synchrotron radiation was delivered from the U49/2 beamline at BESSY II.

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Metadaten
Author: Olaf Seifarth, Yevgen Burkov, Dieter SchmeißerORCiD, Alexander Sydorenko, Radim Krenek, Manfred Stamm
URL:http://www.dpg-verhandlungen.de/year/2005/conference/berlin/part/cpp/session/29/contribution/27?lan=en
Title of the source (German):Verhandlungen der Deutschen Physikalischen Gesellschaft
Publisher:Deutsche Physikalische Gesellschaft
Place of publication:Bad Honnef
Document Type:Conference Proceeding
Language:English
Year of publication:2005
Tag:X-ray absorption spectroscopy; X-ray photoelectron spectroscopy; block copolymers; magnetic nano particles; photoelectron emission microscopy (PEEM)
Series ; volume number:Verhandlungen der Deutschen Physikalischen Gesellschaft ; Reihe 6, Band 40
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Angewandte Physik und Halbleiterspektroskopie
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