von Klitzing constant

[fȯn ′klit·siŋ ‚kän·stənt] (physics) The quantity RK = h / e ², where h is Planck's constant and e is the charge of the electron; materials that exhibit the quantum Hall effect have a Hall resistance equal to RK / n, where n is either an integer or a rational fraction. Also known as quantized Hall resistance. The conventional value of this quantity adopted by international agreement on January 1, 1990, to establish a standard for the ohm, RK- 90 = 25,812.807 ohms.

单词	von klitzing constant
释义	von Klitzing constant von Klitzing constant [fȯn ′klit·siŋ ‚kän·stənt] (physics) The quantity RK = h / e ², where h is Planck's constant and e is the charge of the electron; materials that exhibit the quantum Hall effect have a Hall resistance equal to RK / n, where n is either an integer or a rational fraction. Also known as quantized Hall resistance. The conventional value of this quantity adopted by international agreement on January 1, 1990, to establish a standard for the ohm, RK- 90 = 25,812.807 ohms.
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