Enhanced room-temperature spin transport in a deuterated molecular single crystal.

A deuterated molecular single-crystal spintronic device achieves 15.17% room-temperature spin-transport efficiency, nearly doubling the prior benchmark of ~8%.

• Why it matters: High-efficiency spin transport at room temperature is difficult, and molecular single crystals have been hard to integrate into devices because they are fragile during fabrication.
• What they did: The authors use a damage-free crystal-handling method with an optimized electrode-transfer technique to build high-quality single-crystal spintronic devices, supported by theoretical analysis and experimental characterization.
• The result: The enhanced room-temperature spin lifetime and the 15.17% efficiency demonstrate that molecular single crystals can practically support efficient spin transport using this design and fabrication strategy.

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