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Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:physical_phenomenon
|
| gptkbp:alsoKnownAs |
thermionic emission law
|
| gptkbp:appliesTo |
metals
heated surfaces |
| gptkbp:describes |
thermionic emission
|
| gptkbp:field |
physics
solid-state physics thermodynamics |
| gptkbp:form |
J = A T^2 e^{-φ/(kT)}
|
| gptkbp:formedBy |
gptkb:Owen_Willans_Richardson
|
| gptkbp:location |
A is Richardson constant
J is current density T is absolute temperature k is Boltzmann constant φ is work function |
| gptkbp:namedAfter |
gptkb:Owen_Willans_Richardson
|
| gptkbp:publishedIn |
1901
|
| gptkbp:relatedTo |
vacuum tubes
electron emission cathodes |
| gptkbp:bfsParent |
gptkb:Sir_Owen_Richardson
gptkb:Sir_Owen_Willans_Richardson |
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Richardson's law
|