This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Magnetic Semiconductor . Researchers working at NIST have confirmed that thin magnetic layers red of semiconductor separated by nonmagnetic layer blue can exhibit coveted phenomenon known as 'antiferromagnetic coupling ' in which manganese Mn atoms in successive magnetic layers spontaneously orient their magnetization in opposite