Plasmodynamic synthesis of ultradispersed iron oxides / A. A. Sivkov [et al.]
Уровень набора: Russian Physics JournalЯзык: английский.Страна: .Резюме или реферат: Results of a pilot study of direct plasmochemical synthesis of ultradispersed crystalline iron oxide phases in a high-speed pulse jet of iron-containing electrodischarge plasma that effluxes into a closed volume with the air atmosphere are presented. The synthesized powder contains all main oxide phases, including magnetite Fe3O4, maghemite ?-Fe2O3, and hematite a-Fe2O3. An important feature of the method is the formation of the metastable e-Fe2O3 phase under normal conditions. The minimum average size of coherently diffracting domains (CDD) (particles) of the magnetic phases is observed when they are synthesized at air pressure of 1.0 atm. The powders have high magnetic properties comparable with those of compact iron oxides.Примечания о наличии в документе библиографии/указателя: [Ref.: p. 117 (7 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | dynamic synthesis | динамический синтез | ultradispersed iron oxide | оксид железа Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[Ref.: p. 117 (7 tit.)]
Results of a pilot study of direct plasmochemical synthesis of ultradispersed crystalline iron oxide phases in a high-speed pulse jet of iron-containing electrodischarge plasma that effluxes into a closed volume with the air atmosphere are presented. The synthesized powder contains all main oxide phases, including magnetite Fe3O4, maghemite ?-Fe2O3, and hematite a-Fe2O3. An important feature of the method is the formation of the metastable e-Fe2O3 phase under normal conditions. The minimum average size of coherently diffracting domains (CDD) (particles) of the magnetic phases is observed when they are synthesized at air pressure of 1.0 atm. The powders have high magnetic properties comparable with those of compact iron oxides
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