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In the case of III–V dilute magnetic semiconductors (DMSs), the holes from Mn doping are known to mediate the ferromagnetic interaction. We firstly demonstrated the organic molecular manipulation of the magnetism of (Ga,Mn)As. Mn-doped GaAs thin films with various thicknesses were grown by low-temperature molecular-beam epitaxy, and organic charge-transfer molecules were deposited on the surface of...
As described by P. Xiong, J. Zhao, and co‐workers on page 8043, surface adsorption of organic molecules can lead to robust manipulation of ferromagnetism in (Ga,Mn)As and a surface‐preparation protocol enables direct writing of nanopatterns of self‐assembled organic monolayers on the surface of the (Ga,Mn). As by dip‐pen nanolithography; arbitrary nanopatterns, such as the "GaMnAs" characters,...
Surface adsorption of organic molecules provides a new method for the robust manipulation of ferromagnetism in (Ga,Mn)As. Electron acceptor and donor molecules yield significant enhancement and suppression, respectively, of ferromagnetism with modulation of the Curie temperature spanning 36 K. Dip‐pen nanolithography is employed to directly pattern monolayers on (Ga,Mn)As, which is presented as a...
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