01798nas a2200217   4500008004100000022001400041245014400055210006900199260007300268300001400341490000700355520092600362653001901288653002901307653002101336653002001357653002001377100002801397700002501425856013001450       2013                        eng d  a1567-173900aHigh magnetostriction coefficient of Mn substituted cobalt ferrite sintered from nanocrystalline powders and after magnetic field annealing0 aHigh magnetostriction coefficient of Mn substituted cobalt ferri  aPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDSbELSEVIER SCIENCE BVcOCT  a1697-17010 v133 a<p>Magnetostriction characteristics of Mn substituted cobalt ferrite, CoFe2-xMnxO4 (0 &lt;= x &lt;= 0.3), sintered from nanocrystalline powders of average particle size of similar to 4 nm have been studied. Larger value of magnetostriction at lower magnetic field is achieved after substitution of Mn for Fe. The maximum value of magnetostriction coefficient is not much affected and the slope of the magnetostriction is increased with increasing Mn content. Higher maximum value of magnetostriction coefficient (lambda) of 234 ppm comparable to that of the unsubstituted composition with larger strain derivative (d lambda/dH) is obtained for x = 0.2 in CoFe2-xMnxO4. The magnetostriction coefficient is increased to 262 ppm with further enhancement in the strain derivative after annealing the sintered compact at 300 degrees C in a magnetic field of 400 kA/m for 30 min. (C) 2013 Elsevier B.V. All rights reserved.</p>10aCobalt ferrite10aMagnetic field annealing10aMagnetostriction10aMn substitution10aNanocrystalline1 aMohaideen, Kamal, Khaja1 aJoy, Pattayil, Alias  uhttps://library.ncl.res.in/content/high-magnetostriction-coefficient-mn-substituted-cobalt-ferrite-sintered-nanocrystalline-0