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@ARTICLE{Edmund:616207,
author = {Edmund, Eric and Chuvashova, Irina and Konôpková, Zuzana
and Husband, Rachel and Strohm, Cornelius and Appel, Karen
and Bähtz, Carsten and Ball, Orianna and Bouffetier,
Victorien and Brugman, Kara and Buakor, Khachiwan and
Chantel, Julien and Chariton, Stella and Duff, Matthew and
Dwivedi, Anand and Glazyrin, Konstantin and Hosseini-Saber,
S. M. A. and Jaisle, Nicolas and Laurus, Torsten and Li,
Xiang and Masani, Bernhard and McHardy, James and McMahon,
Malcolm and Merkel, Sébastien and Mohrbach, Katharina and
Mondal, Anshuman and Morard, Guillaume and Prakapenka,
Vitali B. and Prescher, Clemens and Ryu, Young-Jay and
Schwinkendorf, Jan-Patrick and Tang, Minxue and Younes, Zena
and Sanchez-Valle, Carmen and Liermann, Hanns-Peter and
Badro, James and Lin, Jung-Fu and McWilliams, R. Stewart and
Goncharov, Alexander F.},
title = {{T}he {T}hermal {C}onductivity of {B}ridgmanite at {L}ower
{M}antle {C}onditions {U}sing a {M}ulti‐{T}echnique
{A}pproach},
journal = {JGR / Solid earth},
volume = {129},
number = {6},
issn = {2169-9313},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {PUBDB-2024-06367},
pages = {e2024JB028823},
year = {2024},
note = {ISSN 2169-9356 not unique: **2 hits**. Waiting for
fulltext},
abstract = {The thermal conductivity of bridgmanite, the primary
constituent of the Earth's lower mantle, has been
investigated using diamond anvil cells at pressures up to 85
GPa and temperatures up to 3,100 K. We report the results of
time-domain optical laser flash heating and X-ray Free
Electron Laser heating experiments from a variety of
bridgmanite samples with different Al and Fe contents. The
results demonstrate that Fe or Fe,Al incorporation in
bridgmanite reduces thermal conductivity by about $50\%$ in
comparison to end-member MgSiO$_3$ at the
pressure-temperature conditions of Earth's lower mantle. The
effect of temperature on the thermal conductivity at 28–60
GPa is moderate, well described as $k = k_{300}(300/T)^a$,
where a is 0.2–0.5. The results yield thermal conductivity
of 7.5–15 W/(m × K) in the thermal boundary layer of the
lowermost mantle composed of Fe,Al-bearing bridgmanite.},
cin = {FS-PETRA-D / FS-HIBEF / DOOR ; HAS-User / $XFEL_E1_HED$},
ddc = {550},
cid = {I:(DE-H253)FS-PETRA-D-20210408 /
I:(DE-H253)FS-HIBEF-20240110 / I:(DE-H253)HAS-User-20120731
/ $I:(DE-H253)XFEL_E1_HED-20210408$},
pnm = {631 - Matter – Dynamics, Mechanisms and Control
(POF4-631) / 6G3 - PETRA III (DESY) (POF4-6G3) / SEPtiM -
Solidification of Earth's Primitive Mantle (101019965)},
pid = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G3 /
G:(EU-Grant)101019965},
experiment = {EXP:(DE-H253)P-P02.2-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001243670900001},
doi = {10.1029/2024JB028823},
url = {https://bib-pubdb1.desy.de/record/616207},
}