Aged between 35 and 46 years old at the time of his death, a tooth was extracted from the man’s skull for strontium isotope analysis to test how traces of the element corresponded with that found in ...
Now superlattices made of yttria-stabilized zirconia and strontium titanate show promise for room-temperature devices. Now J. Santamaria and colleagues 1 have fabricated epitaxial heterostructures ...