Special Issues

Crystals publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Feature Papers on “Hybrid and Composite Crystalline Materials” 2025
edited by
submission deadline 31 Dec 2025 | 4 articles | Viewed by 1683 | Submission Open
Keywords: hybrid materials; composite materials; intermolecular interactions; molecular crystals; coordination polymers; metal– organic frameworks; covalent organic frameworks; hierarchical zeolites; zeolite-like materials; organic– inorganic hybrids; graphene; carbon nitride; layered sulfides; metal nanoparticles; metal oxide nanoparticles; metal chalcogenide nanoparticles; metal pnictide nanoparticles; MXenes
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Optical Vortices and Solitons submission deadline 31 Dec 2025 | Viewed by 217 | Submission Open
Keywords: vortex structures; solitons; nonlinear optics; biophotonics
Advanced Research on Perovskite Solar Cells
edited by Chunyang Zhang, , and
submission deadline 31 Dec 2025 | Viewed by 117 | Submission Open
Keywords: perovskite; solar cell; carbon-based; stable; cost; efficient; energy; structural design
(This special issue belongs to the Section Materials for Energy Applications)
Graphene-Related and Graphene-Like Reinforcements in Composites: Manufacturing and Applications
edited by and Silvia Vesco
submission deadline 31 Dec 2025 | Viewed by 94 | Submission Open
Keywords: two-dimensional materials; polymer composites; metal matrix composites; coatings; particle reinforcement; green manufacturing; lightweighting; wear resistance; mechanical performances; conductivity
Structure and Characterization of Enzymes
edited by
submission deadline 10 Jan 2026 | Viewed by 70 | Submission Open
Keywords: enzyme structure; biocatalysis; structure– function relationship; X-ray crystallography; artificial intelligence in structural biology
2D Crystalline Nanomaterials (2nd Edition)
edited by Yao Yao
submission deadline 10 Jan 2026 | Viewed by 27 | Submission Open
Keywords: 2D crystalline nanomaterial; device; electronic
Synchrotron X-Ray Techniques in the Study of Nanomaterials
edited by Lucas Atila Bernardes Marçal, Ângelo Malachias de Souza and
submission deadline 10 Jan 2026 | Viewed by 17 | Submission Open
Keywords: X-ray diffraction; crystallography; synchrotron radiation; nanomaterials; crystal dynamics; X-ray spectroscopy; nano-device characterization
Mechanical Properties of Light Alloys
edited by Wenjie Song and
submission deadline 10 Jan 2026 | Viewed by 1 | Submission Open
Keywords: magnesium; microstructure; mechanical properties; friction stir welding; cast; plastic deformation; hydrogen storage; kinetics; titanium; aluminum; titanium alloy casting; high-performance aluminum alloy; counter-gravity casting; titanium aluminide
Advances in Metal Matrix Composites (Second Edition)
edited by
submission deadline 15 Jan 2026 | 2 articles | Viewed by 2901 | Submission Open
Keywords: metal matrix composites; additive manufacturing; nanocarbons; spark plasma sintering; powder metallurgy; interface control; strengthening mechanism; mechanical response; functional properties
(This special issue belongs to the Section Crystalline Metals and Alloys)
Alloy Materials Degradation and Microstructural Study submission deadline 15 Jan 2026 | Viewed by 98 | Submission Open
Keywords: high-temperature corrosion; material degradation; extreme environment materials; hot corrosion; molten salt corrosion; scanning electron microscopy; mechanical properties; corrosion mechanism; corrosion-resistant alloys; coatings; microstructure characterization
(This special issue belongs to the Section Crystalline Metals and Alloys)
Advances in Nanomaterials and Nanocomposites for Catalytic Applications
edited by
submission deadline 20 Jan 2026 | 4 articles | Viewed by 3978 | Submission Open
Keywords: nanomaterials; nanocomposites; nanocatalysts; catalytic performance; pollutant degradation; energy
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Metal Oxide-Based Nanomaterials: Advances in Synthesis, Characterization, and Applications submission deadline 20 Jan 2026 | 1 articles | Viewed by 3304 | Submission Open
Keywords: metal-oxide-based nanomaterials; nanocrystals; synthesis techniques; characterization; environmental remediation; catalysis; biomedical applications; green synthesis; toxicity assessment; sustainability; interdisciplinary research; machine learning; innovative research; environmental monitoring; drug delivery; life cycle analysis
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Synergizing Crystallography, Mineral Materials Science and Solid Waste Upcycling for Sustainable Materials Innovation
edited by Limei Wu, Xin Liu and
submission deadline 20 Jan 2026 | Viewed by 61 | Submission Open
Keywords: mineral crystallography; mineral materials; solid waste valorization; AI-driven material design
Microstructure Analysis, Phase Composition and Properties of Steels submission deadline 20 Jan 2026 | Viewed by 16 | Submission Open
Keywords: advanced characterization of steel microstructures (SEM; TEM; EBSD; XRD; etc.); phase transformations and kinetics in alloyed steels; relationships between microstructure and mechanical properties; heat treatment; thermomechanical processing; and surface modification; modeling and simulation of microstructural evolution; correlation of crystal structure and anisotropy with physical properties; steel behavior under extreme environments (e.g.; cryogenic; high temperature; corrosive); novel alloying concepts and high-performance steel grades (e.g.; AHSS; TRIP; TWIP; maraging)
(This special issue belongs to the Section Crystalline Metals and Alloys)
Research and Applications of TiO2 Nanotube Layers submission deadline 21 Jan 2026 | Viewed by 71 | Submission Open
Keywords: TiO2 nanotube layers; upscaling; bipolar electrochemistry; anodization; photocatalysis; biomedical devices; environmental remediation; energy storage
Ceramic Materials: Structural, Mechanical and Dielectric Properties
edited by and
submission deadline 25 Jan 2026 | Viewed by 154 | Submission Open
Keywords: dielectric materials; functional ceramics; complex oxides; ferroelectric materials; non-Debye relaxation; solid-state synthesis; sol– gel synthesis; structural characterization (XRD; SEM; Raman; XPS); composition– structure– property relationships; energy storage; microwave devices; flexible electronics; materials for communication systems; multifunctional composites; impedance analyzer; crystallographic; microstructural; optical properties
(This special issue belongs to the Section Polycrystalline Ceramics)
Advances in Zr-Based Alloys (2nd Edition)
edited by Quan Dong and
submission deadline 10 Feb 2026 | Viewed by 24 | Submission Open
Keywords: microstructure; corrosion resistance; irradiation resistance; strengthening and toughening; mechanical properties; simulation
(This special issue belongs to the Section Crystalline Metals and Alloys)
Advances in Self-Assembled Luminescent Materials
edited by Gong Zhang, and Jianrong Qiu
submission deadline 10 Feb 2026 | Viewed by 9 | Submission Open
Keywords: supramolecular polymers; supramolecular assembly; circularly polarized luminescence; chiral self-assembly; crystal structure; optoelectronic properties; aggregation-induced emission
Microstructure Characterization and Design of Advanced Alloys submission deadline 10 Feb 2026 | Viewed by 5 | Submission Open
Keywords: advanced alloys; microstructure characterization; property optimization; multi-scale analysis; computational modeling
(This special issue belongs to the Section Crystalline Metals and Alloys)
Machine Learning for Material and Process Optimization in Additive Manufacturing submission deadline 26 Feb 2026 | Viewed by 32 | Submission Open
Keywords: machine learning; additive manufacturing; process optimization; material design; artificial intelligence; material development; digital twins; process control; data-driven modeling; advanced manufacturing; sustainable manufacturing
Advances in Functional Materials for Lithium Secondary Battery System: Challenge, Opportunities, Solutions and Applications
edited by Jingzheng Weng, Minquan Tian and
submission deadline 28 Feb 2026 | Viewed by 57 | Submission Open
Keywords: functional materials; crystalline materials; polymer conductors; energy materials; electrode materials; solid electrolytes; high-voltage functional materials; lithium battery; next-generation post-lithium battery systems
(This special issue belongs to the Section Materials for Energy Applications)
Microstructure Characterization and Design of Alloys, 2nd Edition
edited by , Arnoldo Bedolla-Jacuiende and Jacinto Cortéz Pérez
submission deadline 28 Feb 2026 | Viewed by 51 | Submission Open
Keywords: microstructural analysis; mechanical properties; tribological behavior of ferrous and non-ferrous alloys
(This special issue belongs to the Section Crystalline Metals and Alloys)
Microstructure and Deformation of Advanced Alloys (2nd Edition) submission deadline 28 Feb 2026 | Viewed by 21 | Submission Open
Keywords: metals and alloys; defects; texture; microstructure; deformation; aging; properties; hot-working; cold-working
(This special issue belongs to the Section Crystalline Metals and Alloys)
Microstructure and Mechanical Behavior of Adavance High Strength Steels
edited by Mattia Franceschi
submission deadline 28 Feb 2026 | Viewed by 8 | Submission Open
Keywords: AHSS; quench and partitioning; carbide free bainite; medium manganese steel; TRIP; austenite; bainitic transformation; tensile properties; fatigue; heat treatment
Micromechanics and Multiscale Analysis of Plasticity, Damage, and Fracture in Engineering Materials
edited by
submission deadline 10 Mar 2026 | Viewed by 38 | Submission Open
Keywords: micromechanics; multiscale modeling; micro plasticity; damage mechanics; fracture mechanics
Advances in Thin-Film Materials and Their Applications
edited by and Abdessamad Aouni
submission deadline 20 Mar 2026 | 1 articles | Viewed by 725 | Submission Open
Keywords: thin-film materials; coatings; synthesis and growth; interfacial phenomena
(This special issue belongs to the Section Inorganic Crystalline Materials)
Nanocrystalline Materials Processing and Characterization submission deadline 30 Mar 2026 | Viewed by 80 | Submission Open
Keywords: nanomaterials; nanostructures; advanced materials; additive manufacturing; mechanical alloying; spark plasma sintering; functional materials; biomaterials; annealing; simulation and modelling
Advances in Solar-Driven Catalytic Materials for Sustainable Fuels
edited by , Sulakshana Shenoy, and
submission deadline 31 Mar 2026 | Viewed by 50 | Submission Open
Keywords: solar-driven catalytic materials; nanostructured photocatalysts; scalable solar fuel production; photocatalytic hydrogen generation; photoelectrochemical CO2 reduction; charge separation dynamics; CO2 valorization; stable semiconductor interfaces
(This special issue belongs to the Section Materials for Energy Applications)
Fatigue and Fracture of Crystalline Metal Structures
edited by Xiangnan Pan and
submission deadline 20 Jun 2026 | 5 articles | Viewed by 5750 | Submission Open
Keywords: fatigue and fracture; fatigue regimes; engineering vibration; elastic and plastic waves; metals and alloys; additive manufacturing; microstructure modeling; microstructure characterization; civil engineering; aerospace structure
(This special issue belongs to the Section Crystalline Metals and Alloys)
Metal–Organic Complexes for Synthesis
edited by and
submission deadline 30 Jun 2026 | Viewed by 38 | Submission Open
Keywords: metal– organic complexes; photocatalysis; organic synthesis; photothermal reactions; enzyme mimic catalysis; synthetic methodology; homogeneous catalysis; heterogeneous catalysis; electrocatalysis; cooperative catalysis; gas conversion; metal– organic frameworks (MOFs); nanoenzymes; plastic recycling; polymer engineering
(This special issue belongs to the Section Organic Crystalline Materials)
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