New opportunities of variation in the particle sizes and properties of chromium dioxide |
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| Authors: | M G Osmolowsky O K Bondarenko S V Gordeev A Yu Otkupshchikov S I Korolev A I Kobelev |
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| Institution: | (1) St. Petersburg State University, St. Petersburg, 199034, Russia |
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| Abstract: | It is experimentally found that clusters containing 24 W or Mo atoms act as initial nuclei in CrO2 crystallization. Joint application of W or Mo compounds with Sb(III) compounds makes it possible to change the size of CrO2 particles in a very wide range. Thin (10–13 nm) CrO2 particles have a coercivity of about 450 Oe and are not superparamagnetic. |
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