Tag Archives: Magnetism

Magnetic Topological Insulators Have an Edgy Side

Posted on August 13, 2025 by rberkowitz

Edge currents are observed in a magnetic topological insulator even when conventional theory says that they should not. Continue reading →

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How Earth’s Magnetic Field Influences Flows in the Planet’s Core

Posted on October 31, 2024 by rberkowitz

A “Little Earth Experiment” inside a giant magnet sheds light on so-far-unexplained flow patterns in Earth’s interior Continue reading →

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Mapping the Textures of Thicker Magnets

Posted on August 20, 2024 by rberkowitz

A soft x-ray magnetic imaging technique makes possible the study of a wide range of magnetic materials. Continue reading →

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Explaining Mars’ Patchy Aurora

Posted on February 2, 2024 by rberkowitz

The solar wind’s orientation relative to Mars’ magnetic-field lines changes as the planet rotates, creating conditions ripe for magnetic reconnection. Continue reading →

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How Rotation Drives Magnetic Levitation

Posted on October 13, 2023 by rberkowitz

A detailed experimental analysis explains the forces by which a spinning magnet can cause another magnet to levitate in midair. Continue reading →

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Zap with Microwaves to Reverse Spin

Posted on August 10, 2023 by rberkowitz

Irradiating a uniaxial magnetic system with a specific sequence of microwave pulses can induce in the system quantum oscillations that cause the material’s spins to flip back and forth. Continue reading →

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Light Boosts Magnetism in a Crystal

Posted on May 5, 2023 by rberkowitz

Ultrafast laser pulses drive spin alignment that strengthens a titanate crystal’s magnetism and extends it to higher temperatures. Continue reading →

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A New Route to Room-Temperature Ferromagnets

Posted on February 21, 2023 by rberkowitz

A novel crystalline material is readily grown from low-melting-temperature mixtures—a result that points toward a new route to above-room-temperature ferromagnets. Continue reading →

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Magnetic Field Heats Up Fusion

Posted on November 4, 2022 by rberkowitz

A magnetic field can significantly boost the performance of a large-scale fusion experiment that may lead to a future source of clean power. Continue reading →

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A Ferromagnet That Easily Sheds Spins

Posted on October 13, 2022 by rberkowitz

Researchers demonstrate room-temperature spin transfer across an interface between an iron-based ferromagnet and a semiconductor, opening a route to creating novel spintronic devices. Continue reading →

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