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The Spin Answered the Voltage

Exchange with a magnetic electrode let researchers tune and coherently control one molecular spin electrically.

Published Updated Story ID: mp-2026-07-29-001
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Summary

Exchange with a magnetic electrode let researchers tune and coherently control one molecular spin electrically.

Researchers at the Institute for Basic Science and Karlsruhe Institute of Technology used electron-spin-resonance scanning tunneling microscopy to control individual iron-phthalocyanine molecules and related spin complexes. Moving an applied voltage near a molecular electronic level changed exchange with a magnetic electrode, shifting the resonance frequency by nearly 30 percent, while voltage pulses drove coherent Rabi oscillations. The July 29 Nature Physics result is a laboratory demonstration of local addressability, not a scalable quantum computer.

Why it matters

Exchange with a magnetic electrode let researchers tune and coherently control one molecular spin electrically.

Limits and context

  • The July 29 Nature Physics result is a laboratory demonstration of local addressability, not a scalable quantum computer.

Key claims

  1. Exchange with a magnetic electrode let researchers tune and coherently control one molecular spin electrically.

    Qualification: The July 29 Nature Physics result is a laboratory demonstration of local addressability, not a scalable quantum computer.

    Evidence: source-2026-07-29-001

Sources

  1. Institute for Basic Science via EurekAlert: Exchange-mediated electric control of molecular spinsInstitute for Basic Science via EurekAlert · official announcement

Corrections

No corrections have been recorded for this story.