PhD position — Spin manipulation by chiral phonons

Description of Group/Project:

A joint program between the Université Grenoble-Alpes and the University of Tokyo seeks to appoint a creative and motivated experimental Ph.D. student to participate in an ongoing project on spin manipulation by chiral phonons. The position will be funded by the LANEF chair of excellence, Prof. YoshiChika Otani, which brings together leading Japanese and French experimental and theoretical groups working on magneto-acoustic effects in magnetic garnets. The appointed candidate will be responsible for designing and characterizing magnetic and acoustic resonators and the coupling between magnons and phonons at microwave frequencies. S/he will carry out process development, documentation of processes, and implement the required steps to investigate and maximize the interaction between selected magnon and photon modes. S/he will collaborate with the other members of the Q-Spin Consortium focused on related topics on ferromagnetic resonance and microwave spectroscopy. The project should start no later than October 1st, 2022, and early appointments are possible.

[1] Bright and dark states of two distant macrospins strongly coupled by phonons, K. An, R. Kohno, A. N. Litvinenko, R. L. Seeger, V. V. Naletov, L. Vila, G. de Loubens, J. Ben Youssef, N. Vukadinovic, G. E. W. Bauer, A. N. Slavin, V. S. Tiberkevich, and O. Klein, accepted in Phys. Rev. X.

Main Tasks and responsibilities:

  • Design of microwave resonators
  • Work in a clean room and perform nanolithography
  • Perform ferromagnetic resonance measurements
  • Characterize the coupling between microwave phonon and magnon modes, and analyze the interplay between the two different waveforms
  • Education:
    A master’s degree in Physics, with a major on Material Science, Nanotechnology, or related discipline is required at the time of joining UGA.

    Knowledge, professional experience, and competences:
    A strong background in solid-state physics and magnetism, microwave circuitry and simulations, and nanofabrication techniques will be highly valued.

    Summary of conditions:

  • Full-time work (37,5h/week)
  • Contract Length: Temporary (3 years)
  • Estimated Incorporation date: April 2022
  • Applicants must show motivation, excellent disposition towards challenging research problems, and a good level of the English language

    How to apply:

    All applications must be made via an email to the PIs and include the following:

  • A cover letter
  • A full CV containing the following information:
  • Gender, Date/Place of Birth, Nationality
    University education, copy of the master’s degree diploma (if obtained already), or information about the master’s degree (to be received soon)
    Previous occupied job positions
    Applicant’s current situation
    Applicant’s research activities
    Applicant’s list of publications, posters, patents, etc.
    English proficiency test results, if available
    any other information helping to establish the applicant’s excellence level

  • Two reference or recommendation letters, one of which must be written by a professor in charge of the student’s master’s degree
  • Applications will be evaluated as they are received.

    Equal opportunities:

    UGA is an equal opportunity employer committed to diversity and inclusion of people with disabilities.

    Candidates should send their CV and cover letter to Olivier Klein.

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