Introduction to Nanomechanics (Fall 2012) Martino Poggio

Overview of Some Early Experiments An early experiment: the quantum of thermal conductance Review of recent developments Introduction to Nanomechanics2

The Quantum of Thermal Conductance Introduction to Nanomechanics

Introduction to Nanomechanics4 T (K) x rms (x zp )

Introduction to Nanomechanics

See notes Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics10 Phonon propagation is ballistic in SiN at low temperatures Catenoidal waveguide shape for ballistic phonon transport in 1D with high transmissivity Integrated high-sensitivity measurement devices (resistors) Superconducting leads (high electrical conductivity & low thermal conductivity)

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics

Introduction to Nanomechanics