La1-xSrxMnO3 as a candidate for a room temperature pressure sensor /

Perovskite manganite compounds, Lai-xDxMnOs (D-divalent alkaline earth Ca, Sr or Ba), whose electrical and magnetic properties were first investigated nearly a half century ago, have attracted a great deal of attention due to their rich phase diagram. From the point of view of designing a future application, the strong pressure dependence of the resistivity and the accompanying effects in thin films have potential for application in pressure sensing and electronic devices. In this study we report our experimental investigations of pressure dependence of the resistivity of Lao.siSvo^iQMnOs and Lai-xSvxMnOs (LSMO) epitaxial films with x= 0.15, 0.20, 0.25, 0.30, 0.35, on SrTiOs substrates.

Photograph of Robert Bell, Airborne Regiment, World War II [n.d.]

A photograph of Robert Bell (kneeling, front row, third left) with his airborne regiment in the Second World War. The date and location of the photo is unknown. This photograph was among those recovered from the attic of Iris Sloman Bell, of St. Catharines, in the 1980s and kept in the possession of her son, Rick Bell. The Bell- Sloman family is descended from former Black slaves from the United States.