01669nas a2200277   4500008004100000022001400041245014200055210006900197260010600266300001200372490000800384520063900392653001101031653001801042653001801060653002301078100002001101700002601121700001601147700002201163700001601185700001401201700002001215700002501235856013101260       2009                        eng d  a0038-109800aManipulation of magnetic nanostructures through low temperature metal-oxygen chemistry: Co/CoO exchange biased nanodonuts and Co nanotips0 aManipulation of magnetic nanostructures through low temperature   aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcFEB  a277-2800 v1493 a<p>Dense nanodonut and nanotip type morphologies are shown to self-evolve in Ultrathin cobalt films during growth under Vacuum, depending oil the level of oxygen incorporation and temperature. The nanodonut morphology forms at room temperature and the corresponding magnetic hysteresis shows exchange bias (similar to 35 Oe shift along the field axis), which is attributed to the presence of CoO and its exchange Coupling with cobalt. The morphology evolves into nanotip features with increase of growth temperature, with Concurrent elimination of the oxide component and exchange bias. (C) 2008 Elsevier Ltd. All rights reserved.</p>10aCo/CoO10aMagnetic film10aself assembly10aVacuum evaporation1 aPhase, Deodatta1 aChoudhary, Ram, Janay1 aGanesan, V.1 aReddy, Raghvendra1 aGupta, Ajay1 aSelvi, N.1 aKulkarni, Sneha1 aOgale, Satishchandra  uhttps://library.ncl.res.in/content/manipulation-magnetic-nanostructures-through-low-temperature-metal-oxygen-chemistry-cocoo-0