| 单词 | lattice constant |
| 释义 | > as lemmaslattice constant lattice constant n. Crystallography the length of a side, or the size of an angle, of the unit cell of a lattice; spec. the length of each of the sides of the unit cell of a cubic lattice. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal lattice > [noun] > lattice constant lattice constant1923 1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines iii. 154 The crystal of smallest known lattice constant, namely, diamond. 1927Lattice constant [see sense 4a]. 1944 Ann. Reg. 1943 363 Siegbahn's determination of the lattice-constant of calcite at 18°C. 1969 Mineral. Abstr. XX. 227/2 Lengenbachite gave space group P1 or P−/ 1, lattice constants of a subcell a′ 35·10 ± 0·03, b′ 5·75 ± 0·01, c′ 36·92 ± 0·03Å, α′ ∼ 90°, β′ 92°35′, γ′ ∼ 90°. 1973 Physical Rev. B. 7 674 Energy bands, Fermi surfaces, and densities of states of calcium as a function of lattice constant have been calculated. < as lemmas |
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