Study of Mn4Si7 Silicide Alloys Produced Under Different Conditions Using an X-ray Diffractometer - B.D. Igamov; A.I. Kamardin; D.Kh. Nabiev; G.T. Imanova; I.R. Bekpulatov; I.Kh. Turapov; N.E. Norbutaev (Bulletin of the Karaganda University "Physics Series", 2025)