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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physics 1917
Charles Glover Barkla

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Charles Glover Barkla - Facts

Charles Glover Barkla

Charles Glover Barkla

Born: 7 June 1877, Widnes, United Kingdom

Died: 23 October 1944, Edinburgh, Scotland

Affiliation at the time of the award: Edinburgh University, Edinburgh, United Kingdom

Prize motivation: "for his discovery of the characteristic Röntgen radiation of the elements"

Field: atomic physics

Charles Glover Barkla received his Nobel Prize one year later, in 1918.

Prize share: 1/1

Work

Following the discovery of X-rays, it was soon established that an irradiated compound emitted secondary X-rays. In secondary spectra, lines appeared corresponding to different wavelengths. Around 1906, Charles Barkla showed that each element's secondary spectrum was unique, irrespective of temperature, structure, and chemical composition. Its spectrum was therefore a characteristic property of an atom and thus became an important tool in atomic research.

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