Image 1 (IMAGE) Science China Press Caption (a) Magnetic interactions in rutile-type MF2 (M=Mn, Fe, and Co) in a [010] view direction. (b) Side view of the geometry-optimized configuration of TEPA molecule at FeF2 (001) surface. (c) Calculated adsorption energies of OAc, OAm, OAl and TEPA molecules at FeF2 (001), (100), (110) and (1-10) surfaces. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.