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New Record for World's Smallest Letters
Molecular holograms are fashioned with scanning tunneling microscope manipulation. When illuminated by two-dimensional electron gas, a three-dimensional holographic projection is created.
Here, two pages of information, the red and blue letters, are retrieved from a data cube verifying that the quantum nature of electron states has features smaller than anything possible or that can be used to construct elements such as letters directly with atoms. The information density limit of discrete matter identified with atomic manipulation is surpassed by showing that electrons are capable of subatomic encoding.
Credit: Image credit: Hari Manoharan / Stanford University
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Stanford University professor Hari Manoharan explains creating the world's smallest letters.
Credit: Stanford News Service
Holographic projections are read by mapping 2D electron wavefunctions revealing an S and a U.
Credit: Stanford News Service
At high energies, the size of electron waves diminishes, allowing electronic features that are smaller than those created with atomic matter. The bits that this high-energy electronic S represents are packed more densely than the invisible underlying atoms.
Credit: Hari Manoharan / Stanford University.
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From left to right, physics Ph.D. student Chris Moon, team leader Hari Manoharan and physics Ph.D. student Laila Mattos worked on the subatomic writing project.
Credit: Image credit: L. A. Cicero / Stanford News Service
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