FYI: See excerpt at end of message for more evidence for what I've been thinking of for 30 years, and harping on here for the last year or more. J
Point of interest: The nanoclusters only formed when a specific amount of heat was present. which means that that specific amount of heat caused some kind of long-lived localized coherence or resonance. Makes no difference if you add more heat, or remove heat, either would destroy the resonant conditions and the nanoclusters and colossal magnetoresistance to die away. Robin: Haven't forgotten your 1st question. I've just been too busy to take time out to finish my response. I will get to it. -Mark ---------------- Colossal magnetoresistance occurs when nanoclusters form at specific temperatures http://www.physorg.com/news/2011-12-colossal-magnetoresistance-nanoclusters- specific-temperatures.html "As we cooled samples from room temperature to about 250 Kelvin (-23 degrees Celsius), we found that colossal magnetoresistance emerged as nanoclusters formed and became most dense," Jing explained. "We saw the nanoclusters form and connect a path in the crystal, and the whole material became conducting." "These nanoclusters were thought to only act as insulators with different magnetic properties", Jing added. This work shows that these properties are temperature dependent. In the presence of a magnetic field and at the proper temperature, the nanoclusters become conductive and ferromagnetic to allow colossal magnetoresistance to occur. ---------------
