Device for in-situ cleaving of hard crystals

Details Device for in-situ cleaving of hard crystals Device for in-situ cleaving of hard crystals

2005-11-14

arxiv.org/abs/cond-mat/0511325v1

Rev. Sci. Instr. 77, 036101 (2006)

Physics

Condensed Matter

Materials Science

7 pages, 3 figures Submitted to Review of Scientific Instruments (2005)

Scientific paper

10.1063/1.2166670

Cleaving crystals in a vacuum chamber is a simple method for obtaining atomically flat and clean surfaces for materials that have a preferential cleaving plane. Most in-situ cleavers use parallel cutting edges that are applied from two sides on the sample. We found in ambient experiments that diagonal cutting pliers, where the cleavage force is introduced in a single point instead of a line work very well also for hard materials. Here, we incorporate the diagonal cutting plier principle in a design compatible with ultra-high vacuum requirements. We show optical microscopy (mm scale) and atomic force microscopy (atomic scale) images of NiO(001) surfaces cleaved with this device.

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