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Sigma-Aldrich

Cerium(IV) oxide-samarium doped

nanopowder, contains 15 mol % samarium as dopant

Sinonimo/i:

SDC, Samarium-doped ceria

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About This Item

Formula empirica (notazione di Hill):
CeO2
Peso molecolare:
172.11
Numero MDL:
MFCD04974842
Codice UNSPSC:
26111700
ID PubChem:
24880634

Forma fisica

nanopowder

contiene

15 mol % samarium as dopant

Composizione

Ce0.85Sm0.15O2

Impiego in reazioni chimiche

reagent type: catalyst
core: cerium

Dimensione particelle

<100 nm

applicazioni

battery manufacturing

Stringa SMILE

[Sm].O=[Ce]=O

InChI

1S/Ce.2O.Sm
AQGZISMLQKBRRO-UHFFFAOYSA-N

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Descrizione generale

Cerium(IV) oxide-samarium doped nanopowder (15% mol samarium doped) (SDC) is an electrolytic material with a high oxygen ion conductivity. Samarium ion acts as an aliovalent cation that can be incorporated into the host lattice to increase the oxygen vacancy concentration and improve the oxide ion conduction in cerium oxide. It can be synthesized by reverse strike co-precipitation technique.
Samarium doped ceria may be used as an electrolyte in solid oxide fuel cells (SOFCs). Electrical conductivity as a function of temperature of doped ceria was investigated in a study. Relation of dopant type, oxygen vacancy ordering and ionic conductivity was investigated by transmission electron microscopy and electron energy loss spectroscopy.

Applicazioni

Cerium(IV) oxide-samarium doped can be used in the fabrication of solid oxide fuel cells (SOFCs), which can further be used as environmentally-friendly sources of alternative energy.

Confezionamento

Packaged in glass bottles

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

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Epigenetic mechanisms suppress the transcription of transposons and DNA repeats; however, this suppression can be transiently released under prolonged heat stress. Here we show that the Arabidopsis thaliana imprinted gene SDC, which is silent during vegetative growth due to DNA
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In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr(0.95)Ti(0.9)Nb(0.1)O3.00 to create oxygen vacancies in situ after reduction for high-temperature CO2 electrolysis. Combined analysis using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron
Oxygen vacancy ordering in heavily rare-earth-doped ceria.
Ou DR, et al.
Applied Physics Letters, 89(17) (2006)
Stephan Immenschuh et al.
Transplantation, 99(1), 56-62 (2014-08-15)
Treatment of patients with antibody-mediated rejection (AMR) after kidney transplantation by rituximab and plasmapheresis is ambiguous. Because of its unknown efficiency and serious side effects, biomarkers, which are predictive for responsiveness to this treatment in AMR patients, are required. Twenty
AC impedance investigation of samarium-doped ceria."
Zhan Z, et al.
Journal of the Electrochemical Society, 148(5), A427-A432 (2001)
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Articoli

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