| People | Locations | Statistics |
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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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Khimyak, Yaroslav Z.
University of East Anglia
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Surface modification of cellulose nanomaterials with amine functionalized fluorinated ionic liquids for hydrophobicity and high thermal stabilitycitations
- 2024Self-healing composite coating fabricated with a cystamine crosslinked cellulose nanocrystal stabilized Pickering emulsioncitations
- 2022Amphiphilic Cellulose Nanocrystals for Aqueous Processing of Thermoplastics:ACS Applied Polymer Materialscitations
- 2022Amphiphilic cellulose nanocrystals for aqueous processing of thermoplasticscitations
- 2019Thermosensitive supramolecular and colloidal hydrogels via self-assembly modulated by hydrophobized cellulose nanocrystalscitations
- 2018Nanocrystallization of rare tolbutamide form V in mesoporous MCM-41 silicacitations
- 201619F NMR spectroscopy as a highly sensitive method for the direct monitoring of confined crystallization within nanoporous materialscitations
- 2016Structure and mobility of lactose in lactose/sodium montmorillonite nanocompositescitations
- 2016Structural properties, order-disorder phenomena and phase stability of orotic acid crystal formscitations
- 2010Chemical bonding assembly of multifunctional oxide nanocompositescitations
- 2009Reversible methane storage in a polymer-supported semi-clathrate hydrate at ambient temperature and pressurecitations
- 2008Bulk superconductivity at 38 K in a molecular systemcitations
- 2006Methylaminated potassium fulleride, (CH3NH2)K 3C60: Towards hyperexpanded fulleride latticescitations
Places of action
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article
Bulk superconductivity at 38 K in a molecular system
Abstract
C60-based solids1 are archetypal molecular superconductors with transition temperatures (Tc) as high as 33 K (refs 2–4). Tc of face-centred-cubic (f.c.c.) A3C60 (A=alkali metal) increases monotonically with inter C60 separation, which is controlled by the A+ cation size. As Cs+ is the largest such ion, Cs3C60 is a key material in this family. Previous studies revealing trace superconductivity in CsxC60 materials have not identified the structure or composition of the superconducting phase owing to extremely small shielding fractions and low crystallinity. Here, we show that superconducting Cs3C60 can be reproducibly isolated by solvent-controlled synthesis and has the highest Tc of any molecular material at 38 K. In contrast to other A3C60 materials, two distinct cubic Cs3C60 structures are accessible. Although f.c.c. Cs3C60 can be synthesized, the superconducting phase has the A15 structure based uniquely among fullerides on body-centred-cubic packing. Application of hydrostatic pressure controllably tunes A15 Cs3C60 from insulating at ambient pressure to superconducting without crystal structure change and reveals a broad maximum in Tc at 7 kbar. We attribute the observed Tc maximum as a function of inter C60separation—unprecedented in fullerides but reminiscent of the atom-based cuprate superconductors—to the role of strong electronic correlations near the metal–insulator transition onset.