We have used contact-resonance-frequency atomic force microscopy techniques to nondestructively image variations in adhesion at a buried interface. Images were acquired on a sample containing a 20 mn gold (An) blanket film on silicon (Si) with a 1 nm patterned interlayer of titanium (Ti). This design produced regions of very weak adhesion (Si/Au) and regions of strong adhesion (Si/Ti/Au). Values of the contact stiffness were 5% lower in the regions of weak adhesion. The observed behavior is consistent with theoretical predictions for layered systems with disbonds. Our results represent progress towards quantitative measurement of adhesion parameters on the nanoscale.
机构:
Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Duan, Mingyu
Wu, Chengjian
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Wu, Chengjian
Tang, Jinyan
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Tang, Jinyan
Wang, Yuyang
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Wang, Yuyang
Liu, Shiquan
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Liu, Shiquan
Ju, Bing-Feng
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Ju, Bing-Feng
Chen, Yuan-Liu
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Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
Zhejiang Univ, ZJU Hangzhou Global Sci & Technol Innovat Ctr, Hangzhou 311215, Peoples R ChinaZhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310058, Peoples R China
机构:
Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Gao, Feifei
Zhang, Yin
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Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
机构:
Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA
Torello, D.
Degertekin, F. Levent
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Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA