High sensitivity nanoscale mapping of elastic moduli

Yaniv Ganor; Doron Shilo

doi:10.1063/1.2210796

High sensitivity nanoscale mapping of elastic moduli

Yaniv Ganor^*, Doron Shilo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Recently, a new technique has been developed, which allows quantitative nanoscale mapping of elastic moduli by means of a hybrid nanoindentation and force modulation instrument. We introduce a procedure for finding the experimental parameters that provide an optimal modulus contrast. An application of the procedure on a BaTi O3 single crystal reveals a clear contrast between domains that have different orientations of the tetragonal unit cell. The obtained results are in good agreement with reported bulk elastic moduli and show that the elastic modulus sensitivity is 5%. Thus, the improved modulus mapping procedure can be applied not only to composite materials but also to many multiphase and multidomain material systems.

Original language	English
Article number	233122
Journal	Applied Physics Letters
Volume	88
Issue number	23
DOIs	https://doi.org/10.1063/1.2210796
State	Published - 5 Jun 2006
Externally published	Yes

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10.1063/1.2210796

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title = "High sensitivity nanoscale mapping of elastic moduli",

abstract = "Recently, a new technique has been developed, which allows quantitative nanoscale mapping of elastic moduli by means of a hybrid nanoindentation and force modulation instrument. We introduce a procedure for finding the experimental parameters that provide an optimal modulus contrast. An application of the procedure on a BaTi O3 single crystal reveals a clear contrast between domains that have different orientations of the tetragonal unit cell. The obtained results are in good agreement with reported bulk elastic moduli and show that the elastic modulus sensitivity is 5%. Thus, the improved modulus mapping procedure can be applied not only to composite materials but also to many multiphase and multidomain material systems.",

author = "Yaniv Ganor and Doron Shilo",

note = "Funding Information: The authors thank Dr. Avraham Dorogoy for his assistance in the finite element simulations. Also, the authors are grateful for the financial support of the Israeli Science Foundation (ISF contract 437/05). ",

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High sensitivity nanoscale mapping of elastic moduli

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