liquids. The exciton is regarded as an elementary excitation that can transport energy without transporting net electric charge. An exciton can form when...
35 KB (4,628 words) - 01:58, 18 December 2024
In physics, the exciton–polariton is a type of polariton; a hybrid light and matter quasiparticle arising from the strong coupling of the electromagnetic...
8 KB (945 words) - 18:18, 27 April 2024
known as an exciton. The carrier multiplication effect in a dot can be understood as creating multiple excitons, and is called multiple exciton generation...
9 KB (997 words) - 00:12, 10 June 2024
excitation (state) of solid or liquid matter (such as a phonon, plasmon, or an exciton).[example needed] Polaritons describe the crossing of the dispersion of...
12 KB (1,269 words) - 20:26, 13 October 2024
magnetic field. Like excitons, trions can be created by optical excitation. An incident photon creates an exciton, and this exciton binds to an additional...
10 KB (1,242 words) - 00:12, 7 December 2024
published later in the 2000s. Condensed excitons are a superfluid and will not interact with phonons. While the normal exciton absorption is broadened by phonons...
20 KB (2,439 words) - 07:18, 21 May 2024
called an exciton and their spatitial separation is defined by the exciton Bohr radius. In a nanostructure of comparable size to the exciton Bohr radius...
113 KB (13,222 words) - 17:44, 2 December 2024
materials with a large exciton binding energy, it is possible for a photon to have just barely enough energy to create an exciton (bound electron–hole pair)...
26 KB (2,781 words) - 20:50, 20 December 2024
exciton generation is a process called singlet fission (or singlet exciton fission) by which a singlet exciton is converted into two triplet excitons...
44 KB (6,215 words) - 16:11, 8 November 2024
Sound amplification by stimulated emission of radiation (section Narrow-gap indirect semiconductors and excitons in coupled quantum wells)
for electrons and holes to be bound into an exciton: indirect exciton and direct exciton. In indirect exciton, electrons and holes are in different quantum...
55 KB (7,513 words) - 23:36, 26 October 2024
Welcome to Europe (redirect from Exciton (Squarepusher single))
released as a B-Side to the 12" vinyl single "Welcome to Europe".[6] "Exciton" was originally released in MP3 (320kbs)[7] and FLAC [8] formats on October...
3 KB (211 words) - 11:38, 4 February 2021
pulse can excite a pair of carriers known as an exciton in the quantum dot. The decay of a single exciton due to spontaneous emission leads to the emission...
26 KB (3,232 words) - 15:47, 18 November 2024
Unsolved problem in physics: Is it possible to make a material that is a superconductor at room temperature and atmospheric pressure? (more unsolved problems...
39 KB (3,661 words) - 02:23, 21 November 2024
electrons and holes can be bound to excitons that are hydrogen-like states of matter. At the same time, the exciton binding energy is few to hundreds of...
16 KB (2,136 words) - 18:59, 21 November 2024
Quantum dot solar cell (section Multiple excitons)
electron-hole (e-h) pair; the pair may be bound and is referred to as an exciton. This pair is separated by an internal electrochemical potential (present...
30 KB (3,867 words) - 00:12, 10 June 2024
The absorption of light, generating excitons (bound electron-hole pairs), unbound electron-hole pairs (via excitons), or plasmons. The separation of charge...
151 KB (17,098 words) - 10:04, 24 December 2024
diodes Phonoritons ("a coherent superposition of exciton, photon, and phonon") The lowest excitons in Cu2O are extremely long lived; absorption lineshapes...
12 KB (1,049 words) - 17:26, 4 October 2024
the behaviour of the exciton resembles that of an atom as its surrounding space shortens. A rather good approximation of an exciton's behaviour is the 3-D...
9 KB (1,308 words) - 17:27, 3 November 2024
Giant oscillator strength is inherent in excitons that are weakly bound to impurities or defects in crystals. The spectrum of fundamental absorption of...
12 KB (1,900 words) - 23:05, 10 July 2022
physics Elementary Composite Quasiparticles Anyon Davydov soliton Dropleton Exciton Fracton Hole Magnon Phonon Plasmaron Plasmon Polariton Polaron Roton Trion...
65 KB (7,431 words) - 19:18, 28 December 2024
excitons exist in TMD, called A- and B-excitons. In the A series the hole is located in the upper branch of the Valence band while for the B-exciton the...
94 KB (10,416 words) - 08:14, 7 November 2024
that result from coherently coupled plasmons and excitons. Plexcitons aid direct energy flows in exciton energy transfer (EET). Plexcitons travel for 20...
4 KB (407 words) - 20:12, 2 January 2024
nanostructures. Specifically, a set of Hall Effects has emerged based on excitons and exciton-polaritons n 2D materials and quantum wells. Hall sensors amplify...
33 KB (3,789 words) - 07:41, 22 November 2024
near a resonance of the material. For example, an exciton-polariton is a superposition of an exciton and a photon; a phonon-polariton is a superposition...
26 KB (3,224 words) - 20:15, 5 November 2024
mode), The latter originate, e.g., from the radiative recombination of excitons, Coulomb-bound electron-hole pair states in solids. Resonance fluorescence...
27 KB (3,340 words) - 07:43, 20 March 2024
critical coupled steps: 1) generation of low energy exciton trap via mechanical perturbation; and 2) exciton migration from regions where photoexcitation results...
2 KB (252 words) - 14:12, 30 October 2024
physics Elementary Composite Quasiparticles Anyon Davydov soliton Dropleton Exciton Fracton Hole Magnon Phonon Plasmaron Plasmon Polariton Polaron Roton Trion...
154 KB (15,572 words) - 17:45, 17 December 2024
energies. This gives different exciton recombination energies. Therefore, depending on the position where an exciton recombines the emitted light has...
3 KB (468 words) - 17:36, 11 November 2024
exciton creation was used to form condensates in sub-kelvin Cu 2O in 2005 on.[citation needed] Polariton condensation was first detected for exciton-polaritons...
84 KB (10,498 words) - 02:32, 11 December 2024
dissertation was titled "A quantum-mechanical theory of the contribution of excitons to the complex dielectric constant of crystals". His doctoral advisor was...
36 KB (3,069 words) - 09:15, 1 January 2025