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Introduction to Nanomechanics (Fall 2010) Martino Poggio.

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Presentation on theme: "Introduction to Nanomechanics (Fall 2010) Martino Poggio."— Presentation transcript:

1 Introduction to Nanomechanics (Fall 2010) Martino Poggio

2 Equipartition Theorem Introduction to Nanomechanics205.10.2009Introduction to Nanomechanics

3 3 L = 2 m w = 100 mm t = 50 mm E SS = 200 GPa k = 78 k  m x rms = 0.2 pm for T = 300 K 05.10.2009

4 Introduction to Nanomechanics4 L = 150  m w = 40  m t = 5  m E Si = 169 GPa k = 63  m x rms = 8 pm for T = 300 K 05.10.2009

5 Introduction to Nanomechanics5 L = 120  m w = 3  m t = 100 nm E Si = 169 GPa k = 73  m x rms = 8 nm for T = 300 K 05.10.2009

6 Introduction to Nanomechanics6 L = 120  m w = 3  m t = 100 nm E Si = 169 GPa k = 73  m x rms = 9 Å for T = 4.2 K 05.10.2009

7 Introduction to Nanomechanics7 350037504000 Frequency (Hz) 4250 1000 100 10 1 0.1 0.01 1E-3 1E-4 1E-5 Sprectral density (Å 2 /Hz) 05.10.2009


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