Figure 3 (IMAGE) Science China Press Caption Comparison on measured minimal lattice thermal conductivity (?L,min) and predictions based on a dispersion developed according to the periodic boundary condition or on a linear dispersion of Debye (Debye-Cahill model). Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.