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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Magnetic Shape-Memory Alloys: An Exploration of the Correlation Between Microstructure and Macroscopic Properties
edited by Zhenni Zhou, Yuhai Qu and
submission deadline 20 Sep 2025 | Viewed by 52 | Submission Open
Keywords: Ni-Mn-based alloys; dynamic phase transition mechanisms; magneto-elastic coupling; multi-field coupling effects; composition sensitivity; interface engineering; cross-scale characterization; intelligent driving materials
(This special issue belongs to the Section Crystalline Metals and Alloys)
Microstructure and Mechanical Properties of Alloys and Composites
edited by Qingchun Zhu and
submission deadline 22 Sep 2025 | 2 articles | Viewed by 940 | Submission Open
Keywords: mechanical properties; microstructure; alloying elements; alloys; composite materials
(This special issue belongs to the Section Crystalline Metals and Alloys)
Preparation and Characterization of Precipitates in Magnesium Alloys
edited by Yangxin Li
submission deadline 25 Sep 2025 | 1 articles | Viewed by 843 | Submission Open
Keywords: magnesium alloys; precipitates; morphology; crystallography; advanced characterization; properties
(This special issue belongs to the Section Crystalline Metals and Alloys)
Multi-Component Hybrid and Composite Nanostructures for Healthcare Applications
edited by
submission deadline 25 Sep 2025 | 1 articles | Viewed by 493 | Submission Open
Keywords: multi-component (nano-)structures; inorganic/organic (nano-)structures; synthesis and characterization; healthcare applications
Advanced Technologies for Protein Crystal Optimization and Delivery of Protein Crystals
edited by and Hévila Brognaro
submission deadline 25 Sep 2025 | Viewed by 432 | Submission Open
Keywords: distinct crystals growth; in-vivo crystallization; crystal nucleation and liquid dense protein clusters; crystal growth for neutron diffraction; external electrical and magnetic fields; microgravity crystallization; mass transport in crystallization; in situ analysis of crystals; in situ optimization of crystals; physicochemical characterization of crystals; scoring crystal suspensions; instrument and software development; crystal delivery for XFEL and synchrotron radiation sources
(This special issue belongs to the Section Biomolecular Crystals)
Synthesis of Lithium Metal Battery Materials
edited by Yuanjian Li
submission deadline 26 Sep 2025 | Viewed by 82 | Submission Open
Keywords: lithium metal batteries; lithium composite electrodes; lithium alloy anodes; functional separators; solid-state electrolytes; battery material synthesis
Crystallography of Enzymes
edited by and
submission deadline 30 Sep 2025 | 8 articles | Viewed by 11592 | Submission Open
Keywords: enzyme; structure; function; X-ray crystallography; crystal; crystallization; catalytic mechanism; antagonist
(This special issue belongs to the Section Biomolecular Crystals)
Structure and Properties of Ceramic Materials
edited by Andrzej Kruk and Dorota Sitko
submission deadline 30 Sep 2025 | 5 articles | Viewed by 5514 | Submission Open
Keywords: magnetooptical properties; density; microstructure; luminescence; spectroscopy
(This special issue belongs to the Section Polycrystalline Ceramics)
Special Issue of the Professional Committee of Key Materials and Technology for Electronic Components (PC-KMTEC)
edited by Feng Shi, , , Guangzu Zhang, and
submission deadline 30 Sep 2025 | 2 articles | Viewed by 4252 | Submission Open
Keywords: microwave dielectric ceramics; ferroelectric ceramics; piezoelectric ceramics; thermoelectric ceramics; pyroelectric ceramics; sensitive ceramics; transparent ceramics
(This special issue belongs to the Section Polycrystalline Ceramics)
Advances in New Functional Biomaterials for Medical Applications, Second Edition submission deadline 30 Sep 2025 | 2 articles | Viewed by 2999 | Submission Open
Keywords: new biomaterials; characterization; metallic biomaterials; bio interactive; resorbable biomaterials; controlled reactions
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
State-of-the-Art Liquid Crystals Research in Japan (2nd Edition) submission deadline 30 Sep 2025 | 1 articles | Viewed by 1351 | Submission Open
Keywords: liquid crystals; blue phase; stimulus responsiveness; photoalignment control; molecular dynamics simulations; rheology; X-ray diffraction; luminescence; electrical conductivity
(This special issue belongs to the Section Liquid Crystals)
High-Tech Metals—Overview, Microstructure, Properties and Recyclability (2nd Edition) submission deadline 30 Sep 2025 | Viewed by 387 | Submission Open
Keywords: high-tech metals; microstructure; properties; material characterization; winning; recyclability
Advanced Surface Modifications on Materials (2nd Edition)
edited by , and Rasoul Khandan
submission deadline 30 Sep 2025 | Viewed by 201 | Submission Open
Keywords: surface modifications; advanced surface techniques; materials surface engineering; surface properties; laser surface modification; laser surface coating
Bioprocessing-Inspired Fabrication of Materials
edited by
submission deadline 30 Sep 2025 | Viewed by 159 | Submission Open
Keywords: bioprocessing-inspired fabrication; bioprocessing-inspired synthesis; structures and functions; biomineralization-inspired; photosynthesis-inspired; additive manufacturing; microscale additive manufacturing; nanoscale additive manufacturing; bioinspired materials; biostructures; bioproperties and bioperformance; enamel-like nanocomposites; calcium-based minerals; biomineralization of collagen fibrils; kinetics of mineral deposition; artificial mineralization; natural living organism-directed synthesis; protein- or organism-induced synthesis; physiological processes
(This special issue belongs to the Section Mineralogical Crystallography and Biomineralization)
Advances in New Composite Insulating Materials: Crystal Structure, Properties, and Applications
edited by Mojia Huang, Zhiwen Lan and
submission deadline 30 Sep 2025 | Viewed by 156 | Submission Open
Keywords: energy consumption; composite insulation materials; new structures; thermal and mechanical characteristics; energy efficiency; mechanical properties; construction industry
(This special issue belongs to the Section Materials for Energy Applications)
Advancements in Wide and Ultra Wide Bandgap Semiconductor Devices for RF and Power Applications
edited by Abdelaziz Rabehi and
submission deadline 30 Sep 2025 | Viewed by 89 | Submission Open
Keywords: wide bandgap semiconductors; RF transistors; power electronics; GaN devices; SiC transistors; Ga2O3 devices; diamond transistors; 5G and 6G communication; power conversion; electric vehicles; smart grids; device reliability; energy efficiency
(This special issue belongs to the Section Materials for Energy Applications)
Recent Advances in the Stabilization of Metal Halide Perovskites
edited by Virginia Carnevali, Mingyang Wei, Vladislav Sláma and Lorenzo Agosta
submission deadline 1 Oct 2025 | Viewed by 165 | Submission Open
Keywords: 3D/2D perovskites; perovskite nucleation; low-dimension perovskites; machine-learned interatomic potentials; Rb incorporation; Cl incorporation; electron transport layer; hole transport layer; interface passivation; wide-bandgap perovskites; solar cell stability
(This special issue belongs to the Section Materials for Energy Applications)
Optical and Electrical Properties of Nano- and Microcrystals
edited by Yuhua Duan
submission deadline 10 Oct 2025 | 2 articles | Viewed by 847 | Submission Open
Keywords: nano- and microcrystals; material growth methods; material characterization; semiconductor materials  ; optoelectronic devices; nanoscale fabrication techniques; multi-scale modeling; energy systems
(This special issue belongs to the Section Inorganic Crystalline Materials)
Crystalline Materials for Radiation Detection: A New Perspective (2nd Edition)
edited by
submission deadline 10 Oct 2025 | 1 articles | Viewed by 721 | Submission Open
Keywords: crystalline materials; semiconductor devices; radiation detectors; radiation induced defects; wide-band gap semiconductors (GaN; SiC; etc.); modeling; first-principles calculations; radiation hardness
(This special issue belongs to the Section Inorganic Crystalline Materials)
Pharmaceutical and Biotechnological Applications of Protein Crystals
edited by and
submission deadline 10 Oct 2025 | Viewed by 467 | Submission Open
Keywords: protein crystallisation; drug discovery; drug design; drug delivery; crystallography; machine learning; biopharmaceutical manufacturing; crystallisation techniques; downstream processes
(This special issue belongs to the Section Biomolecular Crystals)
The Design and Synthesis of Advanced Energy Catalytic Materials
edited by Wanliang Yang
submission deadline 10 Oct 2025 | Viewed by 162 | Submission Open
Keywords: energy catalytic materials; nanostructured catalyst; computational modelin; single-atom catalysts; metal– organic frameworks (MOFs); 2D materials
(This special issue belongs to the Section Materials for Energy Applications)
Advanced Technologies in Graphene-Based Materials (2nd Edition) submission deadline 15 Oct 2025 | 1 articles | Viewed by 1314 | Submission Open
Keywords: graphene and its related materials; reduced graphene oxide; carbon nanotubes; nanocomposites; synthesis and preparation; functionalization; surface characterization; coatings; (bio)sensors; energy storage devices
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Metallurgy-Processing-Properties Relationship of Metallic Materials
edited by
submission deadline 15 Oct 2025 | 1 articles | Viewed by 698 | Submission Open
Keywords: metallurgy; phase transformation; phase diagram; material processing; alloy development; mechanical properties; microstructural analysis; simulation; characterization techniques
(This special issue belongs to the Section Crystalline Metals and Alloys)
Rare Earth-Based Crystalline Materials: Synthesis, Characterization and Applications
edited by Fuqiang Ren and Louwen Zhang
submission deadline 15 Oct 2025 | Viewed by 117 | Submission Open
Keywords: synthesis; rare earths; characterization; nanocrystals; luminescent properties; bioimaging; optoelectronics
(This special issue belongs to the Section Inorganic Crystalline Materials)
Crystal Growth and Characterization of Intermetallic Compounds
edited by Rubén Mendoza-Cruz
submission deadline 15 Oct 2025 | Viewed by 98 | Submission Open
Keywords: intermetallics; nanoalloys; compounds; structure; ordered phase
(This special issue belongs to the Section Crystalline Metals and Alloys)
Advances in Nanoscale Materials for Electrocatalytic and Sensing Applications
edited by Ming Su
submission deadline 20 Oct 2025 | 1 articles | Viewed by 499 | Submission Open
Keywords: nanoscale materials; synthesis and characterization; nanocrystals; nanocatalysts; electrocatalysis; electrocatalytic mechanisms; nanosensors; sensing applications
(This special issue belongs to the Section Materials for Energy Applications)
Advanced Materials for CO2 Reduction
edited by Dalei Sun
submission deadline 20 Oct 2025 | Viewed by 113 | Submission Open
Keywords: heterogenous catalysts; CO2 capture and utilization; CO2 reduction
(This special issue belongs to the Section Materials for Energy Applications)
Widespread Application of Advanced Nanomaterials
edited by , Dan Xue and
submission deadline 20 Oct 2025 | Viewed by 96 | Submission Open
Keywords: advanced nanomaterials; functional nanomaterials; nanocomposites; energy storage and conversion; environmental nanotechnology; smart nanomaterials; stimuli-responsive systems; photocatalysis and sensors; nano-enabled electronics and photonics; sustainable synthesis; ai-assisted materials design; nanoscale characterization; structure– property relationships; multidisciplinary applications
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Research on Perovskite Materials and Perovskite Solar Cells submission deadline 20 Oct 2025 | Viewed by 92 | Submission Open
Keywords: perovskite solar cells; perovskite thin films; stability and degradation mechanisms; solar cell modeling; optoelectronic properties; tandem solar cells
Layered Materials and Their Applications
edited by and Cristina Carbone
submission deadline 23 Oct 2025 | 1 articles | Viewed by 388 | Submission Open
Keywords: layered materials; LDH; anionic clays; composites; structure– properties relationships
(This special issue belongs to the Section Inorganic Crystalline Materials)
Emerging Perovskite Materials and Applications submission deadline 25 Oct 2025 | 1 articles | Viewed by 515 | Submission Open
Keywords: perovskite materials; fluorescence; efficiency; solar cells; ion doping; pressure effects; phase transition; optical properties; vibrational spectroscopy; electronic state calculations; theoretical models
(This special issue belongs to the Section Inorganic Crystalline Materials)
Research Progress of Laser Crystals
edited by Huili Zhang and
submission deadline 25 Oct 2025 | 1 articles | Viewed by 280 | Submission Open
Keywords: laser crystal; crystal growth; crystal structure; spectral properties; laser performance
Structure, Properties, and Applications of Nanomaterials and Thin Films
edited by
submission deadline 25 Oct 2025 | Viewed by 51 | Submission Open
Keywords: nanomaterials; thin films; interface phenomena; nanostructure-property relationships; synthesis techniques; characterization methods; electronic and optical Properties; energy storage applications; biomedical nanotechnology; device integration
Welding and Joining of Metallic Materials: Microstructure and Mechanical Properties, 2nd Edition
edited by and Reza Beygi
submission deadline 31 Oct 2025 | 6 articles | Viewed by 5429 | Submission Open
Keywords: friction stir welding; laser welding; electron beam welding; hybrid welding; adhesive bonding; welding-based additive manufacturing (WAAM); gas metal arc welding (GMAW); gas tungsten arc welding (GTAW); shielded metal arc welding (SMAW); welding parameters and optimization; microstructure; post-weld heat treatment; grain structure; phase transformations; precipitates; defects; residual stresses; mechanical properties; non-destructive testing; fatigue analysis; fracture mechanics; weld integrity; reliability assessments
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Recent Achievements in Oxide Transistors
edited by Penghui He and
submission deadline 31 Oct 2025 | Viewed by 80 | Submission Open
Keywords: novel oxide materials; high mobility and robust stability; advanced fabrication techniques; device innovation and physics; emergent phenomena or applications
(This special issue belongs to the Section Inorganic Crystalline Materials)
The Development of Advanced Materials for Electrochemical Energy Conversion and Storage
edited by Zhipeng Yu and Hong Yin
submission deadline 1 Nov 2025 | 3 articles | Viewed by 7136 | Submission Open
Keywords: advanced materials; electrochemical energy conversion; electrochemical energy storage; water electrolysis; fuel cells; batteries; supercapacitors; nanostructured materials; composite materials; novel electrolytes; energy efficiency
(This special issue belongs to the Section Materials for Energy Applications)
Microstructure and Properties of Metals and Alloys
edited by Zhongquan Zhang, and Ze Chai
submission deadline 10 Nov 2025 | 6 articles | Viewed by 5804 | Submission Open
Keywords: metals/alloys; bulk materials; coatings; films; microstructure; phase; grain; interface; lattice; dislocation; vacancy; diffusion; mechanical property; strengthening; deformation; strain; electrical property; anti-corrosive property; magnetic property
(This special issue belongs to the Section Crystalline Metals and Alloys)
Research and Applications of Acoustic Metamaterials
edited by Qiujiao Du and
submission deadline 10 Nov 2025 | 4 articles | Viewed by 3879 | Submission Open
Keywords: acoustic metamaterial; seismic metamaterial; metasurface; noise and vibration isolation; topology; machine learning; nonlinearity; intelligent metamaterial; bound state in the continuum; cloaking
(This special issue belongs to the Section Inorganic Crystalline Materials)
Sustainable Heterogeneous Catalyst: From Structure to Application
edited by and
submission deadline 10 Nov 2025 | 1 articles | Viewed by 2807 | Submission Open
Keywords: heterogeneous catalyst; electrocatalysts; photocatalysts; thermal catalysts; green chemistry; structural-activity studies; biofuels platform molecules energy CO2 conversion
(This special issue belongs to the Section Materials for Energy Applications)
New Insights into Coating Materials: From Fundamentals to Material Performance
edited by Haibin Zhang
submission deadline 10 Nov 2025 | 2 articles | Viewed by 1798 | Submission Open
Keywords: coatings; coating materials; ceramic coatings; oxidation resistance; oxidation-protective coating; anti-corrosion coatings; metal surface properties; metal surface engineering; metal damage protection; surface modification; surface technology; wear-resistant; corrosion protection coating; composite coating; microstructure and performance; hardness; mechanical properties
(This special issue belongs to the Section Inorganic Crystalline Materials)
Recent Advances in Photocatalysts Materials
edited by Kristina Mojsilovic and
submission deadline 10 Nov 2025 | 1 articles | Viewed by 802 | Submission Open
Keywords: photocatalysis; heterogeneous photocatalysis; hybrid materials; hydrogen evolution; titanium; aluminum; magnesium; scanning electron microscopy; X-ray diffraction; transport properties; UV lamp; solar spectrum; LDHs; MOFs; zeolites
(This special issue belongs to the Section Materials for Energy Applications)
Surface and Interface Engineering of Metal Oxides: From Atomic-Scale Design to Applications in Catalysis, Energy and Electronics
edited by Xuefeng Chu, Chao Wang and
submission deadline 10 Nov 2025 | Viewed by 45 | Submission Open
Keywords: metal oxides; surface and interface; atomic-scale synthesis; interfacial catalysis; advanced characterization; energy applications; structure-property relationships; design and engineering; computational material design
Advanced Surface Engineering Materials: Characterization and Properties (2nd Edition) submission deadline 15 Nov 2025 | 3 articles | Viewed by 2711 | Submission Open
Keywords: surface characterization; ultra-thin films; surface treatments; functionalized surface; SPM techniques
(This special issue belongs to the Section Inorganic Crystalline Materials)
Advances in New Multifunctional Hard Materials
edited by Tomas Soria-Biurrun, María de Nicolás Morillas, and
submission deadline 15 Nov 2025 | 2 articles | Viewed by 2612 | Submission Open
Keywords: alternative metallic binders; alternative ceramic phases; additive manufacturing; conventional proccesing; microstructural characterization; mechanical properties
(This special issue belongs to the Section Crystalline Metals and Alloys)
Innovative Insights into Deformation and Failure of Metallic Alloys
edited by and Vasilis Karamitros
submission deadline 15 Nov 2025 | 1 articles | Viewed by 1067 | Submission Open
Keywords: high-entropy alloys (HEAs); additively manufactured alloys; microstructural characteristics; predictive modeling; extreme loading conditions
(This special issue belongs to the Section Crystalline Metals and Alloys)
Innovations in Magnetic Composites: Synthesis to Application
edited by Izabella Crăciunescu
submission deadline 15 Nov 2025 | 1 articles | Viewed by 110 | Submission Open
Keywords: magnetic nanomaterials; composites; hybrid nanostructures; magnetoresponsive systems; applications
Multifunctional Metal–Organic Frameworks (MOFs) at the Interface of Chemistry and Materials Science
edited by and Yanshu Shi
submission deadline 15 Nov 2025 | Viewed by 82 | Submission Open
Keywords: metal– organic framework; material discovery; adsorption; catalysis; crystallography; nanomaterial; sensing
(This special issue belongs to the Section Macromolecular Crystals)
Cutting-Edge Research in Plastic-Flexible Thermoelectric Materials
edited by Dongwang Yang
submission deadline 15 Nov 2025 | Viewed by 32 | Submission Open
Keywords: plastic-flexible thermoelectric materials; advanced fabrication; crystal architecture; microstructural engineering; electron– phonon– ion decoupling; machine learning
(This special issue belongs to the Section Materials for Energy Applications)
Recent Advances in III-Nitride Semiconductors and Correlated Wide Bandgap Semiconductors, 2nd Edition
edited by and
submission deadline 20 Nov 2025 | 8 articles | Viewed by 8580 | Submission Open
Keywords: nitrides; GaN; Ga2O3; NiO; diamond; AlScN; heterostructures; epitaxy; electro-optics devices; micro-electronics devices; power devices; integrated circuits and modules; photonic crystal enhanced light-matter interaction; photonic crystal and plasmonics
(This special issue belongs to the Section Materials for Energy Applications)
Advances in Nanocomposites: Structure, Properties and Applications
edited by , José Luis Casas-Espínola, Yazmin Mariela Hernández-Rodríguez and
submission deadline 20 Nov 2025 | 3 articles | Viewed by 2810 | Submission Open
Keywords: electron microscopy; nanostructured materials; nanocrystals; mechanical properties; functionalization; phase transition; applied nanomaterials; advanced characterization
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
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