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New technology in the magnetic cooling of chips
Date:2/20/2013

agnetic field is created, thus inducing the magnetocaloric effect responsible for cooling," explains Luis Hueso, leader of the nanodevices group at nanoGUNE and researcher in this study.

"This new technology enables us to have a more local and more controlled cooling method, without interfering with the other units in the device, and in line with the trend in the miniaturization of technological devices," adds Hueso.

20-nanometre films consisting of lanthanum, calcium, manganese and oxygen (La0.7Ca0.3MnO3) have been developed. According to Hueso, "the aim of this field of research is to find materials that are efficient, economical and environmentally friendly."

"The idea came about at Cambridge University and among various groups in the United Kingdom, France, Ukraine and the Basque Country we have come up with the right material and an effective technique for cooling electronic chips, computer memories and all these types of applications in microelectronics. Technologically, there would not be any obstacle to using them in fridges, freezers, etc. but economically it is not worthwhile because of the size," stresses Hueso.

Today, most of the money spent on the huge dataservers goes on cooling. That is why this new technology could be effective in applications of this kind. Likewise, one of the great limitations that computer processors have today is that they cannot operate as fast as one would like because they can easily overheat. "If we could cool them down properly, they would be more effective and could work faster," adds Hueso.

Dr Hueso stresses that this is a very interesting subject with respect to future patents.

Luis Hueso

Luis Hueso (Madrid, 1974) is an Ikerbasque researcher and leads the nanodevices team at nanoGUNE. He has a PhD in Physics from the University of Santiago de Compostela. Between 2002 and 2005 he was a Marie Curie fellow at Cambridge University where he developed a proje
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