Because nickel oxide is transparent, the researchers could shoot a laser pulse lasting just a trillionth of a second through it to reach the top nickel iron layer.
Not exact matches
«Our water splitter is unique,
because we only use one catalyst,
nickel - iron
oxide, for both electrodes,» said graduate student Haotian Wang, lead author of the study.
«Lead titanate likely would not have been the first choice of most materials scientists
because its structure is so dissimilar to
nickel oxide,» Isayev said.
The trick worked
because relevant phonon peaks can be seen with much better resolution in the spectrum of
nickel oxide under ultraviolet laser excitation,» Balandin added.
Nickel - based
oxides — nickelates — have long been considered as potential cuprate analogs
because the element sits immediately adjacent to copper in the periodic table.