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U

UAFM

Ultrasonic AFM
Appl. Phys. Lett. 78, 1939 (2001).

UCSB

University of California, Santa Barbara

UFM

Ultrasonic Force Microscopy
Appl. Phys. Lett. 64, 178 (1994); Nanotechnology 12, 53 (2001).

UHV

Ultra High Vacuum (Microscope)