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@ARTICLE{Moro:172738,
author = {Moro, Fabrizio and Turyanska, Lyudmila and Granwehr, Josef
and Patanè, Amalia},
title = {{S}pin manipulation and spin-lattice interaction in
magnetic colloidal quantum dots},
journal = {Physical review / B},
volume = {90},
number = {20},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2014-06182},
pages = {205428},
year = {2014},
abstract = {We report on the spin-lattice interaction and coherent
manipulation of electron spins in Mn-doped colloidal
PbSquantum dots (QDs) by electron spin resonance.We show
that the phase memory time, TM, is limited by Mn–Mndipolar
interactions, hyperfine interactions of the protons (1H) on
the QD capping ligands with Mn ions in theirproximity (<1
nm), and surface phonons originating from thermal
fluctuations of the capping ligands. In the lowMn
concentration limit and at low temperature, we achieve a
long phase memory time constant TM ∼ 0.9μs,thus enabling
the observation of Rabi oscillations. Our findings suggest
routes to the rational design of magneticcolloidal QDs with
phase memory times exceeding the current limits of relevance
for the implementation of QDsas qubits in quantum
information processing.},
cin = {IEK-9},
ddc = {530},
cid = {I:(DE-Juel1)IEK-9-20110218},
pnm = {123 - Fuel Cells (POF2-123)},
pid = {G:(DE-HGF)POF2-123},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000345743000004},
doi = {10.1103/PhysRevB.90.205428},
url = {https://juser.fz-juelich.de/record/172738},
}