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Solubility and superconductivity of Gd1+xBa2−xCu3O7−δ compounds (x = −0.1, 0, 0.05, 0.1, 0.15 and 0.2)

✍ Scribed by Caixuan Xu; Anming Hu; Naomichi Sakai; Mitsuru Izumi; Izumi Hirabayashi


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
534 KB
Volume
417
Category
Article
ISSN
0921-4534

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✍ Gábor Czédli 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 239 KB

pp. 573᎐586 have shown that Ž . < < Equ A , the lattice of all equivalences of a finite set A with A G 7, has a four-element generating set such that exactly two of the generators are compara-Ž . ble. In other words, these lattices are 1 q 1 q 2 -generated. We extend this result for many infinite s