Low temperaturein situformation of cobalt in silicon nitride toward functional nitride nanocomposites | Zendy

Shotaro Tada | Zendy; Maíra Debarba Mallmann | Zendy; Haruna Takagi | Zendy; Junya Iihama | Zendy; Norifumi Asakuma | Zendy; Toru Asaka | Zendy; Yusuke Daiko | Zendy; Sawao Honda | Zendy; Rafael Kenji Nishihora | Zendy; Ricardo Antônio Francisco Machado | Zendy; Samuel Bernard | Zendy; Yuji Iwamoto | Zendy

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Low temperaturein situformation of cobalt in silicon nitride toward functional nitride nanocomposites

Author(s) -

Shotaro Tada,

Maíra Debarba Mallmann,

Haruna Takagi,

Junya Iihama,

Norifumi Asakuma,

Toru Asaka,

Yusuke Daiko,

Sawao Honda,

Rafael Kenji Nishihora,

Ricardo Antônio Francisco Machado,

Samuel Bernard,

Yuji Iwamoto

Publication year - 2021

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d0cc07366k

Subject(s) - nitride , in situ , nanocomposite , silicon nitride , materials science , cobalt , metal , pyrolysis , chemical engineering , silicon , nanotechnology , chemistry , metallurgy , layer (electronics) , organic chemistry , engineering

This work highlights the first demonstration of a low-temperature in situ formation of Co nanocrystallites embedded within an amorphous silicon nitride matrix through careful control of the chemistry behind material design using perhydropolysilazane (PHPS) as a Si3N4 precursor further coordinated with CoCl2 and ammonia as a pyrolysis atmosphere. The Co nucleation was allowed to proceed at temperatures as low as 400 °C via thermal decomposition of Co2N pre-formed in situ by the reaction of CoCl2 with the Si centers of PHPS at the early stage of pyrolysis (220-350 °C).

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