Size-controlled synthesis of bifunctional magnetic and ultraviolet optical rock-salt MnS nanocube superlattices

Wide-band-gap rock-salt (RS) MnS nanocubes were synthesized by the one-pot solvent thermal approach. The edge length of the nanocubes can be easily controlled by prolonging the reaction time (or aging time). We systematically explored the formation of RS-MnS nanocubes and found that the present synt...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 51 vom: 21. Dez., Seite 17811-6
1. Verfasser: Yang, Xinyi (VerfasserIn)
Weitere Verfasser: Wang, Yingnan, Sui, Yongming, Huang, Xiaoli, Cui, Tian, Wang, Chunzhong, Liu, Bingbing, Zou, Guangtian, Zou, Bo
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Wide-band-gap rock-salt (RS) MnS nanocubes were synthesized by the one-pot solvent thermal approach. The edge length of the nanocubes can be easily controlled by prolonging the reaction time (or aging time). We systematically explored the formation of RS-MnS nanocubes and found that the present synthetic method is virtually a combination of oriented aggregation and intraparticle ripening processes. Furthermore, these RS-MnS nanocubes could spontaneously assemble into ordered superlattices via the natural cooling process. The optical and magnetic properties were investigated using measured by UV-vis absorption, photoluminescence spectra, and a magnetometer. The obtained RS-MnS nanocubes exhibit good ultraviolet optical properties depending on the size of the samples. The magnetic measurements suggest that RS-MnS nanocubes consist of an antiferromagnetic core and a ferromagnetic shell below the blocking temperatures. Furthermore, the hysteresis measurements indicate these RS-MnS nanocubes have large coercive fields (e.g., 1265 Oe for 40 nm nanocubes), which is attributed to the size and self-assembly of the samples 
650 4 |a Journal Article 
700 1 |a Wang, Yingnan  |e verfasserin  |4 aut 
700 1 |a Sui, Yongming  |e verfasserin  |4 aut 
700 1 |a Huang, Xiaoli  |e verfasserin  |4 aut 
700 1 |a Cui, Tian  |e verfasserin  |4 aut 
700 1 |a Wang, Chunzhong  |e verfasserin  |4 aut 
700 1 |a Liu, Bingbing  |e verfasserin  |4 aut 
700 1 |a Zou, Guangtian  |e verfasserin  |4 aut 
700 1 |a Zou, Bo  |e verfasserin  |4 aut 
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