Realization of an Ideal Cairo Tessellation in Nickel Diazenide NiN ₂: High-Pressure Route to Pentagonal 2D Materials

[1 ]College of Arts and Science, Howard University, Washington, D.C. 20059, United States

[2 ]The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, D.C. 20015, United States

[3 ]Materials Modeling and Development Laboratory, National University of Science and Technology “MISIS”, 119049 Moscow, Russia

[4 ]Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden

[5 ]Center for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, United States

[6 ]Photon Sciences, Deutsches Electronen Synchrotron (DESY), D-22607 Hamburg, Germany

[7 ]HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States