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2005
Indium
I 2300
21- 021
Isovalent Doping Strategy for Manganese Introduction into III—V Diluted
Magnetic Semiconductor Nanoparticles: InP:Mn. — Nanoparticles of In(1-x)MnxP
(x ≤ 0.0135) are prepared by slow heating of InCl3, P(SiMe3)3, and MnX2 (X: Cl, I), or
Mn(acac)3, or manganese(III) 2,2,6,6-tetramethyl-3,5-heptanedionate in trioctylphosphine oxide or by high-temperature injection of reagents dissolved in trioctylphosphine
into hot trioctylphosphine oxide. The samples are characterized by magnetic measurements, powder XRD, TEM, EPR, UV/VIS, and luminescence spectroscopy. The
InP:Mn nanoparticles exhibit paramagnetic-like behavior and a red-shift in the room
temperature photoluminescence of 0.02—0.03 eV relative to that for pure InP nanoparticles. — (SOMASKANDAN, K.; TSOI, G. M.; WENGER, L. E.; BROCK*, S. L.;
Chem. Mater. 17 (2005) 5, 1190-1198; Dep. Chem., Wayne State Univ., Detroit,
MI 48202, USA; Eng.) — W. Pewestorf
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