Magnetic Ordering under Strain and Spin-Peierls Dimerization in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>GeCuO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>

Studying from first principles the competition between ferromagnetic (FM) and antiferromagnetic (AF) interactions in the charge-transfer-insulator GeCuO3, we...