Mogens Fjord Christensen

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Magnetic property is one of the important properties of nanomaterials. Direct investigation of the magnetic property on the nanoscale is however challenging. Herein we present a quantitative measurement of the magnetic properties including the magnitude and the orientation of the magnetic moment of strontium hexaferrite (SrFe12O19) nanostructures using(More)
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The room-temperature magnetic properties of ball-milled strontium hexaferrite particles consolidated by spark-plasma sintering are strongly influenced by the milling time. Scanning electron microscopy revealed the ball-milled SrFe12O19 particles to have sizes varying over several hundred nanometers. X-Ray powder-diffraction studies performed on the(More)
Understanding the mechanism of nanoparticle formation during synthesis is a key prerequisite for the rational design and engineering of desirable materials properties, yet remains elusive due to the difficulty of studying structures at the nanoscale under real conditions. Here, the first comprehensive structural description of the formation of a(More)
OBJECTIVE Medically unexplained or functional somatic symptoms (FSS) in children constitute a major clinical problem. Epidemiological studies of this phenomenon are, however, hampered by a lack of good standardized measures. The objective of this study was therefore to (1) develop a parent-report measure of FSS in children aged 5-10 years and (2) perform an(More)
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