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Title: Study of nanocomposites based on iron oxides and pectin

Mössbauer and X-ray diffraction study of nanocomposites based on iron oxides and pectin (PC) was carried out involving magnetization measurements. The concentrations of PC in nanocomposites varied from 0 to 10%. Mössbauer investigations of nanocomposites were carried out in the temperature range from 5 to 300 K. Many-state superparamagnetic relaxation model was used for spectra fitting. The magnetization, M(T,H), was measured in the temperature interval of 80-300 K and magnetic field up to 10 kOe. Formation of the 'iron-polymer' interface was not observed. Particle sizes were estimated using the Mössbauer and X-ray powder diffraction data.
Authors:
; ; ; ; ; ;  [1]
  1. M. V. Lomonosov Moscow State University, Faculty of Physics, Leninskie gory, 119991 Moscow (Russian Federation)
Publication Date:
OSTI Identifier:
22308093
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1622; Journal Issue: 1; Conference: Conference on Moessbauer spectroscopy in materials science 2014, Hlohovec u Breclavi (Czech Republic), 26-30 May 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 77 NANOSCIENCE AND NANOTECHNOLOGY; ABSORPTION SPECTROSCOPY; COMPOSITE MATERIALS; CONCENTRATION RATIO; INTERFACES; IRON; IRON OXIDES; MAGNETIC FIELDS; MAGNETIZATION; MOESSBAUER EFFECT; NANOSTRUCTURES; PARTICLE SIZE; PECTINS; POLYMERS; RELAXATION; SUPERPARAMAGNETISM; TEMPERATURE DEPENDENCE; X-RAY DIFFRACTION