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Dive into the research topics where K. Hirsch is active.

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Featured researches published by K. Hirsch.


Physical Review B | 2014

Spin and orbital magnetic moments of size-selected iron, cobalt, and nickel clusters

A. Langenberg; K. Hirsch; Arkadiusz Ławicki; V. Zamudio-Bayer; Markus Niemeyer; P. Chmiela; B. Langbehn; Akira Terasaki; Bernd von Issendorff; J. T. Lau

Spin and orbital magnetic moments of cationic iron, cobalt, and nickel clusters have been determined from x-ray magnetic circular dichroism spectroscopy. In the size regime of


Physical Review B | 2013

Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters

V. Zamudio-Bayer; Linn Leppert; K. Hirsch; A. Langenberg; J. Rittmann; M. Kossick; M. Vogel; Robert Richter; Akira Terasaki; T. Möller; Bernd von Issendorff; Stephan Kümmel; J. T. Lau

n = 10 - 15


Journal of Physics B | 2009

X-ray spectroscopy on size-selected clusters in an ion trap: from the molecular limit to bulk properties

K. Hirsch; J. T. Lau; Ph. Klar; A. Langenberg; J. Probst; J. Rittmann; M. Vogel; V. Zamudio-Bayer; T. Möller; B. von Issendorff

atoms, these clusters show strong ferromagnetism with maximized spin magnetic moments of 1~


Physical Review Letters | 2015

Magnetic moments of chromium-doped gold clusters: The anderson impurity model in finite systems

K. Hirsch; V. Zamudio-Bayer; A. Langenberg; Markus Niemeyer; Bruno Langbehn; T. Möller; Akira Terasaki; Bernd von Issendorff; J. T. Lau

\mu_B


Journal of Chemical Physics | 2011

Communication: Highest occupied molecular orbital–lowest unoccupied molecular orbital gaps of doped silicon clusters from core level spectroscopy

J. T. Lau; M. Vogel; A. Langenberg; K. Hirsch; J. Rittmann; V. Zamudio-Bayer; T. Möller; B. von Issendorff

per empty


Journal of Chemical Physics | 2015

Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap

V. Zamudio-Bayer; K. Hirsch; A. Langenberg; M. Kossick; Arkadiusz Ławicki; Akira Terasaki; Bernd von Issendorff; J. T. Lau

3d


Angewandte Chemie | 2015

Maximum Spin Polarization in Chromium Dimer Cations as Demonstrated by X‐ray Magnetic Circular Dichroism Spectroscopy

V. Zamudio-Bayer; K. Hirsch; A. Langenberg; Markus Niemeyer; M. Vogel; Arkadiusz Ławicki; Akira Terasaki; J. Tobias Lau; Bernd von Issendorff

state because of completely filled


Journal of Chemical Physics | 2015

Electronic ground states of Fe2+ and Co2+ as determined by x-ray absorption and x-ray magnetic circular dichroism spectroscopy

V. Zamudio-Bayer; K. Hirsch; A. Langenberg; Arkadiusz Ławicki; Akira Terasaki; Bernd von Issendorff; J. T. Lau

3d


Chemistry: A European Journal | 2018

Soft X-ray Spectroscopy as a Probe for Gas-Phase Protein Structure : Electron Impact Ionization from Within

Sadia Bari; Dmitrii Egorov; Thomas L. C. Jansen; Rebecca Boll; Ronnie Hoekstra; Simone Techert; V. Zamudio-Bayer; Christine Bülow; Rebecka Lindblad; Georg Leistner; Arkadiusz Ławicki; K. Hirsch; Piter S. Miedema; Bernd von Issendorf; Tobias Lau; Thomas Schlathölter

majority spin bands. The only exception is


Journal of Physics: Condensed Matter | 2018

Large orbital magnetic moments of small, free cobalt cluster ions Co n + with n ≤ 9

V. Zamudio-Bayer; K. Hirsch; A. Langenberg; Arkadiusz Lawicki; Akira Terasaki; Bernd von Issendorff; J. Tobias Lau

\mathrm{Fe}_{13}^+

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A. Langenberg

Helmholtz-Zentrum Berlin

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J. T. Lau

Helmholtz-Zentrum Berlin

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M. Vogel

Helmholtz-Zentrum Berlin

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T. Möller

Technical University of Berlin

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J. Rittmann

Technical University of Berlin

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J. Tobias Lau

Helmholtz-Zentrum Berlin

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