Data for the paper: Structural Characterization of Ordered Mesoporous Silica Prepared in Sol-Gel Process Using Urea-Based Cationic Gemini Surfactantshttps://hdl.handle.net/21.15109/ARP/N3JA2DAlmásy, LászlóARP2025-09-222026-02-04T13:06:16ZExperimental data for materials described in the publication. The materials are MCM-41 mesoporous silica nanoparticles. TEM images, SEM images, XRD data, IR data.ChemistryPhysicsMCM-41TEMSEMXRDSAXSEnglishdoi, 10.3390/gels111008042025-09-22Almásy, László2025-09-22CC BY-NC 4.0