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Jannat
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Asked: October 8, 20232023-10-08T12:14:12+06:00 2023-10-08T12:14:12+06:00In: Science

What about scientist Carl Manne Siegbahn and his discovery?

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What about scientist Carl Manne Siegbahn and his discovery?
carl manne siegbahnscientist
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    1. Jeion Ahmed Expert
      2023-10-08T12:14:39+06:00Added an answer on October 8, 2023 at 12:14 pm

      Carl Manne Siegbahn, born on December 3, 1886, in Örebro, Sweden, and passing away on September 26, 1978, in Stockholm, Sweden, was a Swedish physicist awarded the Nobel Prize in Physics in 1924 for his groundbreaking work on X-ray spectroscopy.

      Here are some key discoveries and contributions associated with Carl Manne Siegbahn:

      X-ray Spectroscopy (1910s-1920s): Carl Manne Siegbahn made pioneering contributions to X-ray spectroscopy, a field that studies the interaction of X-rays with matter. He developed precision X-ray spectrographs and improved the accuracy of X-ray measurements, allowing for a deeper understanding of atomic and molecular structures.

      Siegbahn’s Notation (Moseley’s Law) (1913): Siegbahn’s work extended Henry Moseley’s studies on X-ray spectra. He introduced a systematic notation, known as Siegbahn’s notation, to label X-ray spectral lines, making it easier to interpret and understand X-ray spectra and their relation to atomic numbers.

      X-ray Doublet (1914): Siegbahn discovered the phenomenon of X-ray doublets, where two closely spaced X-ray spectral lines are observed due to the interaction of electrons in the inner atomic shells. This discovery provided valuable information about atomic structure.

      X-ray Emission Spectroscopy (1923): Siegbahn conducted pioneering research on X-ray emission spectroscopy, studying the characteristics of X-rays emitted by different elements. This work expanded our understanding of X-ray emission processes and provided insights into the electronic configuration of atoms.

      Nobel Prize in Physics (1924): Carl Manne Siegbahn was awarded the Nobel Prize in Physics in 1924 “for his discoveries and research in the field of X-ray spectroscopy.”

      Auger Electron Effect (1925): Following his Nobel Prize, Siegbahn made significant contributions to the understanding of the Auger electron effect, a process where an atom’s inner-shell electron is ejected, leading to the emission of an Auger electron. This effect is fundamental in X-ray spectroscopy.

      Carl Manne Siegbahn’s pioneering work in X-ray spectroscopy significantly advanced our understanding of atomic and molecular structures. His precise measurements and systematic notation revolutionized the field, making X-ray spectroscopy an essential tool in various scientific disciplines.

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