Tip-based functionalization of Group IV graphenes - mrsec.org

Tip-based functionalization of Group IV graphenes - mrsec.org

CEM
CENTER FOR EMERGENT MATERIALS

The Ohio State University

http://cem.osu.edu

Tip-based functionalization of Group IV graphenes
Writing Surface functionalization on a 2D crystal

IRG-2 has established the controlled tipbased absorption (writing) and desorption
(deleting) of hydrogen on C/Si/Ge/Sn
graphene materials at atomic length
scales.

This allows new explorations on the effect
of spatial patterns on a 2D material on the
electronic transport properties in an
ultraclean environment.

This methodology will enable the creation
of efficient nanoelectronic and spintronic
devices via controllable chemical
functionalization.

J. Gupta, R. Kawakami, E. Johnston-Halperin, & W. Windl,
The Ohio State University

2.0 nm

Center for Emergent Materialsan NSF MRSEC
Award Number DMR-1420451

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