Direct observation of the influence of the FeAs4 tetrahedron on superconductivity and antiferromagnetic correlations in Sr2VO3FeAsGastón Garbarino, Ruben Weht, Amadou Sow, Claudine Lacroix, André Sulpice, Mohamed Mezouar, Xiyu Zhu, Fei Han, Hai Hu Wen and Manuel Núñez-RegueiroEPL, 96 5 (2011) 57002DOI: https://doi.org/10.1209/0295-5075/96/57002