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Cooling Rate Evaluation for Bulk Amorphous Alloys from Eutectic Microstructures in Casting Processes.

by optical microscopy and scanning electron microscopy. From the measured interlamellar spacings ranging from λ = 0.18 to 0.5 µm, the solidification front velocities and the cooling rates at…
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Novel Ti-base nanostructure–dendrite composite with enhanced plasticity

This work presents a new in situ-formed nanostructured matrix/ductile dendritic phase composite microstructure for Ti-base alloys, which exhibits up to 14.5% compressive plastic strain at room temperature.
Springer Nature (opens in a new tab)

Challenges in the crystal growth of Li2CuO2 and LiMnPO4

Single crystals of a potential battery material, LiMnPO 4 , and the spin ladder compound Li 2 CuO 2 are grown under elevated gas pressure in a newly designed vertical floating zone facility with…
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Enhanced plasticity in a Ti-based bulk metallic glass-forming alloy by in situ formation of a composite microstructure

A bulk metallic glass-forming Ti–Cu–Ni–Sn alloy with in situ formed composite microstructure prepared by both centrifugal and injection casting presents more than 6% plastic strain under compressive…
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Rare-earth intermetallic compounds at a magnetic instability

Abstract Rare-earth intermetallic alloys and compounds, in particular those with Ce or Yb, are often close to a magnetic instability. In particular, CeCu6−xAux has become a prototype heavy-fermion…
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High-energy magnetic excitations from heavy quasiparticles in CeCu2Si2

Magnetic fluctuations is the leading candidate for pairing in cuprate, iron-based, and heavy fermion superconductors. This view is challenged by the recent discovery of nodeless superconductivity in…
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Phase diagram features and solidification behaviour of CoCu2O3 at elevated oxygen pressure

A unique behaviour of the phase CoCu{sub 2}O{sub 3} was found both from CALPHAD calculations and directional solidification experiments. For elevated oxygen partial pressure the solidification mode…
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Crystallographic superstructure in R2PdSi3 compounds (R = heavy rare earth)

The R2PdSi3 intermetallic compounds have been reported to crystallize in a hexagonal AlB2-derived structure, with the rare earth atoms on the Al sites and Pd and Si atoms randomly distributed on the…
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Metastable phase formation in undercooled eutectic Ni78.6Si21.4 melts

Abstract Non-equilibrium solidification processes in bulk undercooled eutectic Ni 78.6 Si 21.4 melts are investigated with respect to metastable phase and microstructure formation. Melt undercooling…
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Magneto-crystalline anisotropy in R2PdSi3 (R=Tb, Dy, Ho, Er, Tm) single crystals

Abstract We present single crystal AC-susceptibility and magnetisation measurements of R2PdSi3 compounds with R=Tb, Dy, Ho, Er, and Tm. The crystal-electric field (CEF) parameter B 2 0 and the value…
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