A semimetal is a material with a small energy overlap between the bottom of the conduction band and the top of the valence band, but they do not overlap...
9 KB (1,097 words) - 10:17, 17 August 2024
Weyl semimetals are semimetals or metals whose quasiparticle excitation is the Weyl fermion, a particle that played a crucial role in quantum field theory...
20 KB (2,226 words) - 19:38, 17 July 2024
Dirac cone (redirect from Dirac semimetal)
holes. The two conical surfaces touch each other and form a zero-band gap semimetal. The name of Dirac cone comes from the Dirac equation that can describe...
23 KB (1,889 words) - 06:31, 2 October 2024
1940–1960. Metalloids are sometimes called semimetals, a practice that has been discouraged, as the term semimetal has a more common usage as a specific kind...
246 KB (27,797 words) - 13:04, 27 August 2024
electrons from the valence to the conduction band. Hence, in the case of a semimetal with an overlap region, the electrical conductivity is high. If there...
6 KB (701 words) - 08:59, 14 February 2024
In July 2015, Weyl fermions have been experimentally realized in Weyl semimetals. Composite particles (such as hadrons, nuclei, and atoms) can be bosons...
7 KB (850 words) - 04:02, 15 April 2024
Cadmium arsenide (Cd3As2) is an inorganic semimetal in the II-V family. It exhibits the Nernst effect. Cd3As2 dissociates between 220 and 280 °C according...
15 KB (1,450 words) - 13:01, 21 May 2024
properties characteristic of both. They are often termed semimetals or metalloids. The term "semimetal" used in this sense should not be confused with its...
249 KB (26,983 words) - 11:34, 1 October 2024
Dirac matter (section Weyl semimetals)
examples of Dirac matter are graphene and other Dirac semimetals, topological insulators, Weyl semimetals, various high-temperature superconductors with d...
42 KB (5,450 words) - 19:37, 17 July 2024
consistent in the overall pattern, like a solid. Topological semimetals: Weyl semimetal Dirac semimetal Topological superconductor Metallic and insulating states...
14 KB (1,746 words) - 06:50, 10 October 2024
Alidoust; Madhab Neupane; et al. (16 July 2015). "Discovery of a Weyl fermion semimetal and topological Fermi arcs". Science. 349 (6248). AAAS: 613–617. arXiv:1502...
5 KB (557 words) - 20:00, 1 October 2024
new state, a correlation-driven Weyl semimetal. The team dubbed this new quantum material Weyl-Kondo semimetal. Hewson, Alex C; Jun Kondo (2009). "Kondo...
16 KB (1,870 words) - 08:00, 10 July 2024
far away from any states that are able to carry current. In a metal, semimetal or degenerate semiconductor, μ lies within a delocalized band. A large...
24 KB (3,208 words) - 20:27, 8 October 2024
The sulfide minerals are chemical compounds of one or more metals or semimetals with a chalcogen or pnictogen, of which sulfur is most common. Tellurium...
109 KB (13,007 words) - 16:14, 20 July 2024
Venere, A.; Yi, X.; Hou, C.; Wang, H.; Ketterson, J.; Wong, G. (1993). "Semimetal-to-semiconductor transition in bismuth thin films". Phys. Rev. B. 48 (15):...
62 KB (7,015 words) - 20:47, 11 October 2024
distribution (black: all states filled, white: no state filled). In metals and semimetals the Fermi level EF lies inside at least one band. In insulators and semiconductors...
46 KB (5,390 words) - 02:11, 9 October 2024
close packing leads to a high density of 5.73 g/cm3. Grey arsenic is a semimetal, but becomes a semiconductor with a bandgap of 1.2–1.4 eV if amorphized...
130 KB (14,310 words) - 05:36, 9 October 2024
arsenide (Cd3As2) was shown to be a three-dimensional (3D) topological Dirac semimetal analogous to graphene. Cd3As2, Zn3As2 and other compounds of the Zn-Cd-P-As...
7 KB (637 words) - 20:12, 8 September 2023
Electronic band structure Plasma Insulator Mott insulator Semiconductor Semimetal Conductor Superconductor Thermoelectric Piezoelectric Ferroelectric Topological...
9 KB (1,205 words) - 00:30, 10 October 2024
"compelling evidence" for observed excitons condensing in the three-dimensional semimetal 1T-TiSe2. Normally, excitons in a semiconductor have a very short lifetime...
35 KB (4,628 words) - 22:00, 12 October 2024
There is also growing evidence of Lorentz violation in Weyl semimetals and Dirac semimetals. 4-vector Antimatter tests of Lorentz violation Fock–Lorentz...
21 KB (2,917 words) - 00:21, 24 September 2024
electronegativity is decreased, the bonding may then lead to a semiconductor, a semimetal or eventually a metallic conductor with metallic bonding. Coulomb's law...
18 KB (2,338 words) - 02:36, 8 February 2024
Post-transition metal (section Semimetals)
semimetals than the true metals. This is also true for other metals in the actinide series.'; Dunlap et al. 1970, pp. 44, 46: '...α-Np is a semimetal...
124 KB (15,306 words) - 17:46, 2 August 2024
Electronic band structure Plasma Insulator Mott insulator Semiconductor Semimetal Conductor Superconductor Thermoelectric Piezoelectric Ferroelectric Topological...
9 KB (1,097 words) - 16:05, 22 August 2024
Electronic band structure Plasma Insulator Mott insulator Semiconductor Semimetal Conductor Superconductor Thermoelectric Piezoelectric Ferroelectric Topological...
43 KB (4,872 words) - 03:33, 6 October 2024
including steel (which contains cementite, Fe3C), as well as other metal and semimetal carbides (including "ionic" carbides, e.g, Al4C3 and CaC2 and "covalent"...
21 KB (2,288 words) - 06:25, 8 October 2024
Electronic band structure Plasma Insulator Mott insulator Semiconductor Semimetal Conductor Superconductor Thermoelectric Piezoelectric Ferroelectric Topological...
84 KB (10,458 words) - 13:49, 8 October 2024
Electronic band structure Plasma Insulator Mott insulator Semiconductor Semimetal Conductor Superconductor Thermoelectric Piezoelectric Ferroelectric Topological...
12 KB (1,434 words) - 06:19, 19 August 2024
umbilical sheathing layer. Unlike graphene, which is a two-dimensional semimetal, carbon nanotubes are either metallic or semiconducting along the tubular...
172 KB (18,711 words) - 07:11, 9 October 2024