Ion-Surface Interactions--From Channeling to Soft-Landing

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Science  07 Mar 1997:
Vol. 275, Issue 5305, pp. 1440-1441
DOI: 10.1126/science.275.5305.1440

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When ions collide with surfaces—as might happen when one tries to make films of useful materials by some methods—the collision is violent and may lead to breakup or rearrangement of the substance being deposited. In his Perspective, Kleyn discusses results reported in the same issue by Miller et al. (p. 1447) in which materials in the form of “molecular parachutes” have been softly placed on surfaces, a technique that may permit fabrication of new classes of surface compounds.