Drive frequency dependent phase imaging in piezoresponse force microscopy

Journal Article · Sun Aug 15 04:00:00 EDT 2010 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3474956· OSTI ID:21480237

Huifeng, Bo; Yi, Kan; Xiaomei, Lu; Yunfei, Liu; Song, Peng; Xiaofei, Wang; Wei, Cai; Ruoshi, Xue; Jinsong, Zhu ^[1]

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1. Department of Physics, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093 (China)

The drive frequency dependent piezoresponse (PR) phase signal in near-stoichiometric lithium niobate crystals is studied by piezoresponse force microscopy. It is clearly shown that the local and nonlocal electrostatic forces have a great contribution to the PR phase signal. The significant PR phase difference of the antiparallel domains are observed at the contact resonances, which is related to the electrostatic dominated electromechanical interactions of the cantilever and tip-sample system. Moreover, the modulation voltage induced frequency shift at higher eigenmodes could be attributed to the change of indention force depending on the modulation amplitude with a piezoelectric origin. The PR phase of the silicon wafer is also measured for comparison. It is certificated that the electrostatic interactions are universal in voltage modulated scanning probe microscopy and could be extended to other phase imaging techniques.

• OSTI ID: 21480237
• Journal Information: Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 4 Vol. 108; ISSN JAPIAU; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALI METAL COMPOUNDS
COMPARATIVE EVALUATIONS
CRYSTALS
EIGENFUNCTIONS
EIGENVALUES
ELECTRIC POTENTIAL
ELECTRICITY
ELECTROSTATICS
ELEMENTS
EVALUATION
FREQUENCY DEPENDENCE
FUNCTIONS
LITHIUM COMPOUNDS
MICROSCOPY
NIOBATES
NIOBIUM COMPOUNDS
OXYGEN COMPOUNDS
PIEZOELECTRICITY
REFRACTORY METAL COMPOUNDS
RESONANCE
SEMIMETALS
SILICON
STOICHIOMETRY
TRANSITION ELEMENT COMPOUNDS