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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Cussen, Edmund
Technological University Dublin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2017Insulating to metallic behaviour in the cation ordered perovskites Ba2Nd1−xFexMoO6citations
- 2016Microwave-assisted syntheis of highly crystalline, multifunctional iron oxide nanocomposites for imaging applicationscitations
- 2016Scalable continuous solvothermal synthesis of metal organic framework (MOF-5) crystalscitations
- 2015Structural and magnetic study of Yb3+ in the perovskites Sr2YbMO6 (M = Nb, Ta, Sb)citations
- 2014Structural and magnetic study of order−disorder behavior in the double perovskites Ba2Nd1−xMnxMoO6citations
- 2013Effect of synthesis conditions on formation pathways of metal organic framework (MOF-5) Crystalscitations
- 2013A neutron diffraction study of structural distortion and magnetic ordering in the cation-ordered perovskites Ba2Nd1−xYxMoO6citations
- 2010Spontaneous formation of crystalline lithium molybdate from solid reagents at room temperaturecitations
- 2010Lithium Ion conduction in oxidescitations
- 2008The structure of the lithium-rich garnets li6la2m2o12 and li6.4sr1.4la1.6m2o12 (m = sb, ta)citations
- 2008Switching on fast lithium ion conductivity in garnetscitations
- 2007Structural and magnetic study of the cation-ordered perovskites Ba2−xSrxErMoO6citations
- 2006Magnetic order arising from structural distortion: the structure and magnetic properties of Ba2LnMoO6citations
- 2005The first layered analogue of Sr2FeMoO6; the structure and electronic properties of Sr4FeMoO8citations
- 2004Adsorption of gases and vapors on nanoporous Ni-2(4,4 '-bipyridine)(3)(NO3)(4) metal-organic framework materials templated with methanol and ethanol: Structural effects in adsorption kineticscitations
- 2002Flexible sorption and transformation behavior in a microporous metal-organic frameworkcitations
- 2001Adsorption dynamics of gases and vapors on the nanoporous metal organic framework material Ni-2(4,4 '-bipyridine)(3)(NO3)(4): guest modification of host sorption behaviorcitations
Places of action
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article
The first layered analogue of Sr2FeMoO6; the structure and electronic properties of Sr4FeMoO8
Abstract
The n = 1 Ruddlesden–Popper phase Sr4FeMoO8 has been synthesised by high temperature ceramic methods under reducing conditions. Rietveld refinements of the structure against X-ray and neutron powder diffraction data shows that this phase adopts the space group I4/mmm (a = 3.92962(5), c = 12.6707(2) Å) and contains a crystallographically disordered arrangement of Fe and Mo on the single octahedral site in the structure. Mössbauer spectroscopy data show that iron is in the trivalent state and that the transition metals are fully disordered at a local scale. SQUID magnetometry measurements and low temperature neutron diffraction experiments have been used to examine the magnetic properties of this material. The magnetic susceptibility shows Curie–Weiss paramagnetism above a magnetic transition at 16(1) K. Below this temperature the sample shows magnetic hysteresis, but the neutron diffraction data show no evidence of the additional Bragg intensity associated with the formation of a magnetically ordered phase. The magnetic transition at 16 K is therefore assigned to the formation of a spin-glass phase. The absence of magnetic order in this material is due to the chemical disorder in the Fe/Mo occupancy of the octahedral site and thus the randomisation of the magnetic exchange interactions. <br/> <br/> <br/>