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@ARTICLE{Schindler:58289,
author = {Schindler, C. and Thermada, S.C.P. and Waser, R. and
Kozicki, M.N.},
title = {{B}ipolar and unipolar resistive switching in {C}u-doped
{S}i{O}2},
journal = {IEEE Transactions on Electron Devices},
volume = {54},
issn = {0018-9383},
reportid = {PreJuSER-58289},
pages = {2762},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {Scalable nonvolatile memory devices that operate at low
voltage and current, exhibit multilevel cell capability, and
can be read nondestructively using simple circuitry, are
highly sought after. Such devices are of particular interest
if they are compatible with back-end-of-line processing for
CMOS integrated circuits. A variety of resistance-change
technologies show promise in this respect, but a new
approach that is based on switching in copper-doped silicon
dioxide may be the simplest and least expensive to
integrate. This paper describes the characteristics Of
W-(Cu/SiO2)-Cu programmable metallization cell (PMC) devices
formed by the thermal diffusion of Cu into deposited SiO2
PMC devices operate by the electrochemical control of
metallic pathways in solid electrolytes. Both unipolar and
bipolar resistive switching could be attained in these
devices. Bipolar switching, which is identical to that seen
in PMC devices based On other solid electrolytes, was
observed for low bias (a few tenths of volts) and
programming currents in the microampere range. The
resistance ratio between high and low states was on the
order of 10(3), and a multibit storage is considered
possible via the strong dependence of ON-state resistance on
programming current. The low and high resistance states were
stable for more than 5 x 10(4) s. The devices could be made
to exhibit unipolar switching using a negative bias on the
order of -1V combined with erase currents of hundreds of
microampere to a few milliampere. In this case, the OFF/ON
ratio was 10(6).},
keywords = {J (WoSType)},
cin = {IFF-6 / CNI / JARA-FIT},
cid = {I:(DE-Juel1)VDB786 / I:(DE-Juel1)VDB381 /
$I:(DE-82)080009_20140620$},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Engineering, Electrical $\&$ Electronic / Physics, Applied},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000249904100025},
doi = {10.1109/TED.2007.904402},
url = {https://juser.fz-juelich.de/record/58289},
}