The Central Research Department
DOI: 10.1063/1.3057361
The Central Research Department of E. I. du Pont de Nemours & Company is currently constructing a new laboratory for research in solid‐state physics and related fields at the Du Pont Experimental Station in Wilmington, Del. The program of the new laboratory will represent a continuation of studies already being conducted by Du Pont scientists, who have recently reported several advances in solid‐state physics, including the discovery of the “exchange inversion” phenomenon exhibited in the magnetic performance of certain intermetallic compounds. These undergo a sharp transition from an antiferromagnetic state to a ferrimagnetic state and thence to a normal Curie point with increase in temperature giving a “magnetic window” in the magnetization‐temperature curve.
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