@article{1307886, author = {John Unguris and Robert Celotta and Daniel Pierce}, title = {Observation of Two Different Oscillation Periods in the Exchange Coupling of Fe/Cr/Fe(100)}, year = {1991}, number = {67}, month = {1991-01-01 00:01:00}, publisher = {Physical Review Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620385}, language = {en}, }