The influence of thermal annealing on structure and oxidation of iron nanowires

• Authors: Marcin Krajewski , Katarzyna Brzózka , Bogumił Górka , Wei-Syuan Lin , Hong-Ming Lin , Tadeusz Szumiata , Michał Gawroński , Dariusz Wasik
• Languages of publication: EN

Abstracts

EN

Raman spectroscopy as well as Mössbauer spectroscopy were applied in order to study the phase composition of iron nanowires and its changes, caused by annealing in a neutral atmosphere at several temperatures ranging from 200°C to 800°C. As-prepared nanowires were manufactured via a simple chemical reduction in an external magnetic field. Both experimental techniques proved formation of the surface layer covered by crystalline iron oxides, with phase composition dependent on the annealing temperature (Ta). At higher Ta, hematite was the dominant phase in the nanowires.

Keywords

EN

amorphous iron and iron oxides; iron nanowires; Mössbauer spectroscopy; Raman spectroscopy; thermal annealing

• Publisher: De Gruyter Open
• Journal: Nukleonika
• Year: 2015
• Volume: 60
• Issue: 1
• Pages: 87-91

Dates

published

1 - 3 - 2015

online

12 - 3 - 2015

received

18 - 6 - 2014

accepted

2 - 11 - 2014

Contributors

author

Marcin Krajewski

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, 69 Hoża Str., 00-681 Warsaw, Poland

author

Katarzyna Brzózka

• Department of Physics, Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, 54 Krasickiego Str., 26-600 Radom, Poland, Tel.: [phone], Fax: [phone]

author

Bogumił Górka

• Department of Physics, Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, 54 Krasickiego Str., 26-600 Radom, Poland, Tel.: [phone], Fax: [phone]

author

Wei-Syuan Lin

• Department of Materials Engineering, Tatung University, Taipei, 104, Taiwan, R.O.C.

author

Hong-Ming Lin

• Department of Materials Engineering, Tatung University, Taipei, 104, Taiwan, R.O.C.

author

Tadeusz Szumiata

• Department of Physics, Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, 54 Krasickiego Str., 26-600 Radom, Poland, Tel.: [phone], Fax: [phone]

author

Michał Gawroński

• Department of Physics, Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, 54 Krasickiego Str., 26-600 Radom, Poland, Tel.: [phone], Fax: [phone]

author

Dariusz Wasik

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, 69 Hoża Str., 00-681 Warsaw, Poland

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Identifiers

DOI

10.1515/nuka-2015-0004