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Micromachines 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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Microdevices and Electrode Materials for Electrochemical Applications

edited by

Tejaswi Tanaji Salunkhe

and

Il Tae Kim

submission deadline 28 Feb 2026 | Viewed by 31 | Submission Open

Keywords: electrode materials; microdevices; electrochemical applications; electrosynthesis; electrolysis; batteries; sensors

(This special issue belongs to the Section C：Chemistry)

Thermal Transport and Management of Electronic Devices

edited by

Jian Zeng

submission deadline 28 Feb 2026 | Viewed by 27 | Submission Open

Keywords: thermal management; microelectronics; thermal transport; thermal diagnostics; thermal materials

(This special issue belongs to the Section E：Engineering and Technology)

MEMS Ultrasonic Transducers, 2nd Edition

edited by

Xiaohua Jian

submission deadline 28 Feb 2026 | Viewed by 24 | Submission Open

Keywords: PMUT; CMUT; miniature ultrasound transducers; thin-film transducer; hydrophone; ultrasound imaging; ultrasound testing; wearable ultrasound

(This special issue belongs to the Section A：Physics)

Energy Conversion Materials and Energy-Harvesting Devices

edited by

Tian-Bing Xu

and

Sidra Naz

submission deadline 28 Feb 2026 | Viewed by 23 | Submission Open

Keywords: solar energy conversional materials and devices; piezoelectric energy harvesting; pyroelectric energy harvesting; thermoelectric; magnetic and coil-based energy conversions; wind energy taking-off and conversion materials and systems; water energy taking-off and conversion materials and systems; multifunction energy-harvesting systems; bioenergy; fuel cells; nano-; micro-; additive; and 3D printing manufacturing technologies for energy conversion devices

(This special issue belongs to the Section A：Physics)

Laser-Assisted Ultra-Precision Machining

edited by

Juan Ignacio Ahuir-Torres

and Hiren R. Kotadia

submission deadline 28 Feb 2026 | Viewed by 22 | Submission Open

Keywords: laser assistant; laser polishing; laser cutting; laser surface texturing; laser processing

(This special issue belongs to the Section D：Materials and Processing)

Wide-Bandgap Semiconductors: From Materials to Radiation Detectors

edited by Lu Zhang

submission deadline 28 Feb 2026 | Viewed by 10 | Submission Open

Keywords: wide-bandgap semiconductors; radiation detectors; high-temperature electronics; radiation hardness; material synthesis; charge transport; interface engineering; device modeling; defect characterization; harsh environment electronics

(This special issue belongs to the Section D：Materials and Processing)

Future Prospects of Additive Manufacturing, 2nd Edition

edited by Haiyang Fan,

Jincheng Wang

and Youqing Sun

submission deadline 10 Mar 2026 | Viewed by 54 | Submission Open

Keywords: dedicated materials for additive manufacturing; post-processing technologies; topological design for additive manufacturing; multi-scale and multi-physics simulations; online real-time quality monitoring in additive manufacturing; 3D bioprinting; hybrid additive manufacturing; multi-material additive manufacturing; field-assisted additive manufacturing

(This special issue belongs to the Section D3: 3D Printing and Additive Manufacturing)

Thin-Film Technology in Atomic Scale and Micro/Nano Manufacturing: From Preparation to Application

edited by

Fengguang Liu

and Baicheng Mei

submission deadline 15 Mar 2026 | Viewed by 32 | Submission Open

Keywords: growth of thin films; interface coupling; defect control; material morphology characterization; functional coatings; nanoclusters

(This special issue belongs to the Section D：Materials and Processing)

Wearable Biosensors: From Materials to Systems

edited by

Ivo Iliev

and

Mariya Aleksandrova

submission deadline 15 Mar 2026 | Viewed by 8 | Submission Open

Keywords: wearable biosensors; materials for biomedical sensors; nanomaterials for enhanced biosensing; personalized healthcare; remote health monitoring; biocompatible materials; soft electronics; capacitive electrodes

(This special issue belongs to the Section B1: Biosensors)

Advances in Wide Band Gap (WBG) Materials for Electronic Devices

edited by

Awadesh Mallik

submission deadline 20 Mar 2026 | Viewed by 36 | Submission Open

Keywords: GaN; SiC; Ga2O3; diamond; semiconductors; electronics

(This special issue belongs to the Section D1: Semiconductor Devices)

Novel Processes for Cutting, Grinding and Polishing of Microstructured Surfaces

edited by

Jiang Guo

, Yanjun Lu,

Zili Zhang

and

Yang Yang

submission deadline 30 Mar 2026 | Viewed by 112 | Submission Open

Keywords: microstructured surface; cutting; grinding; milling; polishing; molding

(This special issue belongs to the Section D：Materials and Processing)

Integrated Optoelectronics and Micro-/Nano-Vacuum Electronics: Future Prospects and Applications

edited by

Kaixi Bi

and

Yuwei Wang

submission deadline 30 Mar 2026 | Viewed by 65 | Submission Open

Keywords: vacuum devices; nanoelectronics; microfabrication; integrated optoelectronic devices

(This special issue belongs to the Section A：Physics)

Recent Advances in Perovskite Optoelectronic Devices and Their Applications

edited by Xin Li

submission deadline 30 Mar 2026 | Viewed by 17 | Submission Open

Keywords: perovskite optoelectronic devices; perovskite photodetectors; perovskite phototransistors; halide perovskites; self-powered photodetectors; flexible and stretchable electronics; low-dimensional perovskites (2D/0D); machine learning-guided materials design; imaging arrays and focal-plane detectors

(This special issue belongs to the Section A：Physics)

Recent Progress of Lab-on-a-Chip Assays

edited by

and

submission deadline 31 Mar 2026 | 8 articles | Viewed by 21191 | Submission Open

Keywords: 3D printed devices; wearable devices; biosensors; point-of-care testing; lateral flow assays; immunoassay; nanomaterials; additive manufacturing.

(This special issue belongs to the Section B：Biology and Biomedicine)

Functional Materials and Microdevices, 2nd Edition

edited by Zhenhua Wu, Erzhen Mu, Hongjing Shang and Ming Li

submission deadline 31 Mar 2026 | 5 articles | Viewed by 6422 | Submission Open

Keywords: functional materials and characterizations; energy conversion and transport; nano-micro device; device modeling and simulation; sensors and actuators; 3D printing and MEMS technologies; machine learning and algorithm

(This special issue belongs to the Section D：Materials and Processing)

Emerging Micro Manufacturing Technologies and Applications, 3rd Edition

edited by

Nikolaos Tapoglou

submission deadline 31 Mar 2026 | 4 articles | Viewed by 2043 | Submission Open

Keywords: machining; micromachining; emerging technologies; simulation; 3D printing; microcutting; microgears

(This special issue belongs to the Section D：Materials and Processing)

Recent Advances in 3D Printed Electronics

edited by

Sung Hyun Park

submission deadline 31 Mar 2026 | 1 articles | Viewed by 1996 | Submission Open

Keywords: 3D printing system; functional material ink; multi-material 3D printing; electronics on freeform surfaces; 3D printed circuit; 3D printed sensor; 3D printed optoelectronic device

(This special issue belongs to the Section D1: Semiconductor Devices)

Diamond Micro-Machining and Its Applications

edited by

Chunlei He

submission deadline 31 Mar 2026 | Viewed by 144 | Submission Open

Keywords: diamond micro-machining; single-point diamond turning; high-precision devices

(This special issue belongs to the Section E：Engineering and Technology)

Thin Film Microelectronic Devices and Circuits, 2nd Edition

edited by Chengyuan Dong

submission deadline 31 Mar 2026 | Viewed by 130 | Submission Open

Keywords: thin film electronic devices; thin film transistors; thin film solar cells; thin film sensors; thin film memory; stability; flexibility; thin film circuits; pixel circuits; active matrix addressing; systems on glass; CMOS technology; semiconductor displays; intelligent sensors; semiconductor memory

(This special issue belongs to the Section D1: Semiconductor Devices)

Advances in 3D Printing for Micro- and Nanoscale Biomedical Applications

edited by

Dennis Douroumis

and

Huifeng Du

submission deadline 31 Mar 2026 | Viewed by 63 | Submission Open

Keywords: 3D printing; microscale medical devices; drug delivery systems; lab on a chip; biocompatible materials; diagnostics; artificial intelligence; sensors and electronics

(This special issue belongs to the Section D3: 3D Printing and Additive Manufacturing)

Nonlinear Vibration Isolation and Energy Harvesting Devices

edited by

Hesheng Han

Tao Yang

and

Geng Chen

submission deadline 31 Mar 2026 | Viewed by 62 | Submission Open

Keywords: energy harvesting; vibration isolation; nonlinear dynamics; self-powered systems; smart structure and system

(This special issue belongs to the Section A：Physics)

Flexible and Biodegradable Electronics and Novel Semiconductor Devices

edited by Chen Liu

submission deadline 31 Mar 2026 | Viewed by 56 | Submission Open

Keywords: flexible electronics; biodegradable electronics; stretchable materials; printed electronics; bioelectronics; electronic waste; transistors; nanoscale devices; soft robotics; flexible encapsulation; wide-bandgap semiconductors; field effect transistors

(This special issue belongs to the Section A：Physics)

Emerging Devices and Technologies in BioMEMS for Biomarker Detection

edited by

Jianwei Zhong

Minhui Liang

and

Ye Ai

submission deadline 31 Mar 2026 | Viewed by 40 | Submission Open

Keywords: micro/nanodevices; nanomaterials; device miniaturization; circulating biomarkers detection; assay technologies lab-on-chip; wearable electronics; point-of-care testing devices; AI-assisted processing

(This special issue belongs to the Section B1: Biosensors)

Prospect of RF MEMS Devices and Applications

edited by Maher Bakri-Kassem

submission deadline 31 Mar 2026 | Viewed by 39 | Submission Open

Keywords: RF MEMS devices; tunable filters; reconfigurable antennas; MEMS switches (ohmic and capacitive); CMOS-MEMS integration; millimeter-wave systems; 5G/6G communication technologies; wafer-level packaging; multiphysics modeling and simulation; reliability in harsh environments

(This special issue belongs to the Section A：Physics)

Surface and Bulk Acoustic Wave Devices, 2nd Edition

edited by

Jinkai Chen

Shurong Dong

and

Hao Jin

submission deadline 31 Mar 2026 | Viewed by 30 | Submission Open

Keywords: acoustic wave sensors; piezoelectric materials; signal processing; fabrication techniques; material innovations; device optimization; theoretical modeling

(This special issue belongs to the Section A：Physics)

Microfluidic Chips: Definition, Functions and Applications

edited by

Kai Zhao

submission deadline 31 Mar 2026 | Viewed by 19 | Submission Open

Keywords: manipulation and separation; microfluidics; micro-/nanofabrication; target manipulation

(This special issue belongs to the Section B：Biology and Biomedicine)

Additive Manufacturing for Medical Applications, 2nd Edition

edited by

Lawrence Kulinsky

submission deadline 31 Mar 2026 | Viewed by 17 | Submission Open

Keywords: additive manufacturing; 3D printing; stereolithography; fused deposition modeling; selective laser sintering; selective laser melting; direct laser melting; tissue engineering; medical implants; lab-on-chip devices; medical models

(This special issue belongs to the Section D3: 3D Printing and Additive Manufacturing)

Smart Optical Probes: Analysis, Detection and Imaging

edited by

Guofen Song

submission deadline 20 Apr 2026 | Viewed by 50 | Submission Open

Keywords: smart fluorescent probes; quantum dots; photoluminescence materials; optical switchable materials; surface enhanced Raman scattering analysis; bio/chemical or environmental analysis; multi-target cascade detection; multi-mode imaging; in vivo imaging; optical nanorobot

(This special issue belongs to the Section A1: Optical MEMS and Photonic Microsystems)

Energy Conversion Materials/Devices and Their Applications, 2nd Edition

edited by

Bin Liu

, Lei Liu and Yaling Wang

submission deadline 20 Apr 2026 | Viewed by 20 | Submission Open

Keywords: photovoltaics; fuel cells; supercapacitors; batteries; luminescent solar concentrators; light-emitting diodes; optoelectronic materials; thermoelectric materials; luminescent materials; hydrogen energy materials; photocatalytic materials; photothermal materials; electrochromic materials and devices

(This special issue belongs to the Section C：Chemistry)

Functional Micro/Nano Materials and Intelligent Systems

edited by

Mehmet Remzi Dokmeci

submission deadline 30 Apr 2026 | Viewed by 73 | Submission Open

Keywords: 3D printing of micro/nano devices; micro/nano structured surfaces; smart functional materials; micro/nano fabrication techniques; directed energy deposition; selective laser melting; nanocomposites; micro/nanomotors; stimuli-responsive materials; smart micro/nano systems; nano-coatings; artificial intelligence; machine learning; health monitoring; drug delivery; tissue engineering; energy-harvesting; environmental monitoring

(This special issue belongs to the Section D：Materials and Processing)

Novel Electromagnetic/Nanophotonic Devices: Designs and Optimizations

edited by Haejun Chung

submission deadline 30 Apr 2026 | Viewed by 57 | Submission Open

Keywords: metasurfaces; metamaterials; plasmonics; nanophotonics; integrated photonics; topological photonics; quantum optics; nonlinear optics; optical communications; optical sensors; fiber optics; silicon photonics; optical waveguides; inverse design; optimization algorithms; deep learning; machine learning; artificial intelligence (AI); computational electromagnetics; optoelectronics; reconfigurable photonic devices; terahertz photonics; microwave photonics; ultrafast optics; bio-photonics; optical imaging; optical modulation

(This special issue belongs to the Section D：Materials and Processing)

Perovskite and Perovskite-Like Devices

edited by Ligang Xu and Lin Yao

submission deadline 30 Apr 2026 | Viewed by 35 | Submission Open

Keywords: perovskite materials; optoelectronic devices; solar cells; light-emitting devices; photodetectors; energy storage; interface optimization; device stability

(This special issue belongs to the Section D：Materials and Processing)

Piezoelectric Micro-/Nano Systems: Global Breakthroughs and Future Prospects

edited by Yunlai Shi

submission deadline 30 Apr 2026 | Viewed by 21 | Submission Open

Keywords: piezoelectric actuator; piezoelectric motor; piezoelectric pump; piezoelectric transducer; piezoelectric energy harvesting; piezoelectric stacks; piezoelectric jets; unimorph; bimorph; amplified piezoelectric actuator; inchworm actuator; inertial actuator; ultrasonic actuator; ultrasonic motor; ultrasonic consolidation

(This special issue belongs to the Section A：Physics)

Plasma Assisted Techniques for Micro/Nano Fabrication

edited by Mubarak Mujawar

submission deadline 30 Apr 2026 | Viewed by 9 | Submission Open

Keywords: MEMS and microfabrication; plasma-assisted material synthesis and processing; plasma sources and plasma diagnostics; plasma surface interaction; plasma chemistry

(This special issue belongs to the Section D：Materials and Processing)

Novel Magneto-Electronic Devices and System Applications

edited by

Changqiu Yu

and

Jin Li

submission deadline 30 May 2026 | Viewed by 64 | Submission Open

Keywords: magneto-electronic devices; spintronic devices; magnetic sensors; data storage; low power; functional materials; shielding design for magnetic-electronic devices; nanoelectronic systems (nanoparticle technologies); organic electronic memory devices; spin-based optoelectronic devices

(This special issue belongs to the Section A：Physics)

Design and Characterization of Microwave/Millimeter Wave Devices and Semiconductor Devices

edited by Jiangtao Su and Wei Liu

submission deadline 30 May 2026 | Submission Open

Keywords: nonlinear device and circuit models; advanced time/frequency-domain measurement systems ; microwave and mmWave circuits; AI/ML-driven modeling and designing techniques; EDA and ETA techniques; semiconductor devices

(This special issue belongs to the Section D：Materials and Processing)

Optoelectronic Integration Devices and Their Applications

edited by

Binfeng Yun

submission deadline 31 May 2026 | Viewed by 26 | Submission Open

Keywords: optoelectronic integration; integrated optical signal processing; integrated photonic sensing; integrated microwave photonics; integrated optical computing

(This special issue belongs to the Section A1: Optical MEMS and Photonic Microsystems)

Micro/Nanofabrication of 2D Materials and Devices

edited by

Martin Lee

submission deadline 31 May 2026 | Viewed by 25 | Submission Open

Keywords: 2D materials; thin-films; graphene; exfoliation; transfer; (MO)CVD; PLD; MBE; growth; etching; deposition; van der Waals assembly; devices; sensors; condensed matter physics; lithography; nanofabrication; nano patterning; pattern transfer; 2D integration

(This special issue belongs to the Section D：Materials and Processing)

Materials and Devices for Advanced Thermal Energy Harvesting and Management

edited by Amin Nozariasbmarz

submission deadline 31 May 2026 | Viewed by 21 | Submission Open

Keywords: thermoelectric materials and devices; waste heat recovery; thermal management; body power harvesting; thermoelectric generators; thermoelectric coolers; thermal energy harvesting; phase change materials; thermomagnetic materials; pyroelectric materials

(This special issue belongs to the Section D：Materials and Processing)

Nanoparticles in Tissue Engineering and Regenerative Medicine

edited by

Dong Kee Yi

Sitansu Sekhar Nanda

and

Seong Soo A. An

submission deadline 30 Jun 2026 | Viewed by 169 | Submission Open

Keywords: nanoparticle; TERM; scaffold; bone diseases; biomaterials

(This special issue belongs to the Section B3: Nanoparticles in Biomedicine)

Preparation, Manipulation, and Biomedical Applications of Micro/Nanodroplets/Fluids

edited by Xing Han and

Jiaqian Li

submission deadline 30 Jun 2026 | 1 articles | Viewed by 96 | Submission Open

Keywords: droplets; microfluidics; biomedical applications; droplet preparation; micro/nanoscale

(This special issue belongs to the Section B：Biology and Biomedicine)

GaN-Based Materials and Devices: Research and Applications, 2nd Edition

edited by Wei Liu and Kun Wang

submission deadline 30 Jun 2026 | Viewed by 42 | Submission Open

Keywords: group III-nitrides semiconductors; epitaxial growth and fabrication; Al(In)GaN heterostructure; polarization and piezoelectric effect; nanostructures for wide bandgap materials; RF and power devices; display and illumination applications; novel design concepts; device simulation

(This special issue belongs to the Section D1: Semiconductor Devices)

AI-Driven Biofabrication: Accelerating Design, Optimization, and Translation

edited by

Miriam Filippi

submission deadline 30 Jun 2026 | Viewed by 26 | Submission Open

Keywords: biofabrication; machine learning; artificial intelligence; predictive modeling; high-throughput experimentation; simulation-based design; process optimization; scalability; sustainable engineering; material design; cell behavior prediction

(This special issue belongs to the Section B2: Biofabrication and Tissue Engineering)

Novel Micromechanical Resonators, Filters, and MEMS/NEMS Transducers

edited by

Jing Wang

, Nelson Sepúlveda,