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1篇 您的检索式：作者名="Maria Isabel Alonso"

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		题名	作者	年代	出处	被引量
	1	Tailoring thermal conductivity by engineering com- positional gradients in Sil-xGex superlattices显示文摘The transport properties of artificially engineered superlattices (SLs) can be tailored by incorporating a high density of interfaces in them. Specifically, SiGe SLs with low thermal conductivity values have great potential for thermoelectric generation and nano-cooling of Si-based devices. Here, we present a novel approach for customizing thermal transport across nanostructures by fabricating Si/Sil-xGex SLs with well-defined compositional gradients across the SiGe layer from x = 0 to 0.60. We demonstrate that the spatial inhomogeneity of the structure has a remarkable effect on the heat-flow propagation, reducing the thermal conductivity to -2.2 W.m-1.K-1, which is significantly less than the values achieved previously with non-optimized long-period SLs. This approach offers further possibilities for future applications in thermoelectricity.	Pablo Ferrando-Villalba1 Aitor F. Lopeandia Francesc Xavier Alvarez Biplab Paul Carla deTomas Maria Isabel Alonso Miquel Garriga Alejandro R. Goni Jose Santiso Gemma Garcia Javier Rodriguez-Viejo	2015	Nano Research2015，8，9：	0

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