spin
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Nanotechnology
Researchers create direction-independent magnetic field-sensing nanotube spin qubits
Scanning electron microscopy image shows an atomic force microscope tip with boron nitride nanotubes containing spin qubits. Purdue researchers have developed a technology that detects off-axis magnetic fields with higher resolution than traditional diamond tips. Credit: Purdue University/Tongcang Li Researchers at Purdue University have developed patent-pending one-dimensional boron nitride nanotubes (BNNTs) containing spin qubits, or spin defects. BNNTs are more…
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Physics
Direct generation of spin current using ultrashort laser pulses
Experimental schematic and static characteristics. Source: Physical Review Letters (2024). DOI: 10.1103/PhysRevLett.133.106902 An international team of physicists has discovered that they can directly generate spin current using a specific type of ultrashort laser pulse. In a study published in the journal Physical Review Letters, the team generated the spin current using linearly polarized laser pulses and a circularly polarized probe…
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