Tetragonal mixed system $Cs_2CuCl_{4-x}Br_x$ complemented by the tetragonal phase realisation of $Cs_2CuCl_4$

التفاصيل البيبلوغرافية
العنوان: Tetragonal mixed system $Cs_2CuCl_{4-x}Br_x$ complemented by the tetragonal phase realisation of $Cs_2CuCl_4$
المؤلفون: van Well, Natalija, Eisele, Claudio, Ramakrishnan, Sitaram, Shang, Tian, Medarde, Marisa, Cervellino, Antonio, Skoulatos, Markos, Georgii, Robert, van Smaalen, Sander
المصدر: Cryst. Growth Des. 2019, 19, 6627-6635
سنة النشر: 2020
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons
الوصف: Realisation of the tetragonal phase of $Cs_2CuCl_4$ is possible using specific crystal growth conditions at a temperature below $281K$. This work deals with the comparison of the magnetic susceptibility and the magnetization of this new tetragonal compound with the magnetic behaviour of tetragonal $Cs_2CuCl_{2.9}Br_{1.1}$, $Cs_2CuCl_{2.5}Br_{1.5}$, $Cs_2CuCl_{2.2}Br_{1.8}$ and presents consistent results for such quasi $2-D$ antiferromagnets. Structural investigation at low temperature for $Cs_2CuCl_{2.2}Br_{1.8}$ shows no phase transition. The structure remains in the tetragonal symmetry $I4/mmm$. Furthermore, several magnetic reflections corresponding to the propagation vector $k = (0, 0, 0)$ are observed for this tetragonal compound through neutron diffraction experiments below the magnetic phase transition at $T_N = 11.3K$ confirming its antiferromagnetic nature.
Comment: Preprint
نوع الوثيقة: Working Paper
DOI: 10.1021/acs.cgd.9b01035
URL الوصول: http://arxiv.org/abs/2002.11202
رقم الأكسشن: edsarx.2002.11202
قاعدة البيانات: arXiv