English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

We report the temperature and time dependence of electrical resistivity onhigh temperature, high oxygen pressure prepared polycrystalline samples ofNdNiO_3. NdNiO_3 is metallic above 195 K and below that temperature itundergoes a transition to an insulating state. We find that on cooling NdNiO_3below 195 K it goes into a state which is not in thermodynamic equilibrium andslowly relaxes over several hours. As we cool it further and go below about 110K it goes into a stable insulating state. On heating the system from theinsulating state towards 200 K we find that it remains stable and insulatingand undergoes a rather sharp insulator to metal transition in the temperaturerange 185 K to 195 K. We try to make sense of these and a few other interestingobservations on the basis of our current understanding of first order phasetransitions, supercooling, and metal-insulator transitions.

Supercooling and the Metal-Insulator Phase Transition of NdNiO$_{3}$