Nanoparticles for the use as pinning centers in superconductors
First Claim
1. Nanoparticles, comprising:
- an oxide of at least one element selected from the group consisting of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, and Ta,wherein;
the nanoparticles have a weight average diameter of 1 to 30 nm; and
an organic compound of general formula (I), (II) or (III) is on the surface of the nanoparticles;
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Abstract
The present invention is in the field of nanoparticles, their preparation and their use as pinning centers in superconductors. In particular the present invention relates to nanoparticles comprising an oxide of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, or Ta, wherein the nanoparticles have a weight average diameter of 1 to 30 nm and wherein an organic compound of general formula (I), (II) or (III) or an organic compound containing at least two carboxylic acid groups on the surface of the nanoparticles (I) (II) (III) wherein a is 0 to 5, b and c are independent of each other 1 to 14, n is 1 to 5, f is 0 to 5, p and q are independent of each other 1 to 14, and e and f are independent of each other 0 to 12.
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Citations
12 Claims
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1. Nanoparticles, comprising:
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an oxide of at least one element selected from the group consisting of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, and Ta, wherein; the nanoparticles have a weight average diameter of 1 to 30 nm; and an organic compound of general formula (I), (II) or (III) is on the surface of the nanoparticles; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification