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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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Fiber Optic Sensing Technology: From Materials to Applications

edited by

Na Zhao

Changsheng Li

and

Benfeng Bai

submission deadline 30 Dec 2025 | 1 articles | Viewed by 5811 | Submission Open

Keywords: optical fibers/sensors; optical fabrication; microstructure manufacturing; circuit design; multiparameter sensing; extreme environmental monitoring; health monitoring

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

3D/4D Printing of Polymer-Based Composites and Lightweight Structures

edited by

Yuan Chen

and

Ping Cheng

submission deadline 30 Dec 2025 | Viewed by 268 | Submission Open

Keywords: three-dimensional/four-dimensional printing; polymers and polymer-based composites; lightweight structures; numerical simulation; function design; mechanics characterization

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

Recent Advances in Silicon-Based MEMS Sensors and Actuators

edited by

Linxi Dong

Chenying Wang

and

Weidong Wang

submission deadline 31 Dec 2025 | 5 articles | Viewed by 24975 | Submission Open

Keywords: MEMS; sensors; actuators; flexible sensors; design and optimization; fabrication techniques; applications; haptic display and feedback

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

MEMS/NEMS Devices and Applications, 3rd Edition

edited by

Ching-Liang Dai

and Zhi-Xuan Dai

submission deadline 31 Dec 2025 | 13 articles | Viewed by 18533 | Submission Open

Keywords: physical sensors; force sensors; magnetic sensors; optical sensors; microphones; flow sensors; thermal sensors; chemical sensors; biosensors; gas sensors; actuators; resonators/filters; switches/relays; energy harvesters; lens/mirrors

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

Two-Dimensional Materials for Electronic and Optoelectronic Devices

edited by

Kuibo Yin

submission deadline 31 Dec 2025 | 6 articles | Viewed by 16368 | Submission Open

Keywords: 2D material fabrication and characterization; electronic devices based on 2D materials; optoelectronic device based on 2D materials

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

Nanoscale Lithography—Pressing Miniaturization towards Ever Smaller Sizes

edited by

Jayne C. Garno

submission deadline 31 Dec 2025 | 2 articles | Viewed by 16115 | Submission Open

Keywords: nanolithography; nanopatterning; Scanning Probe Microscopy (SPM); nanoscience; nanomaterials; organic films and polymers; nanofabrication

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

Laser Micro/Nano-Fabrication

edited by

Yixuan Feng

and

Man Zhao

submission deadline 31 Dec 2025 | 6 articles | Viewed by 11008 | Submission Open

Keywords: laser subtractive machining; laser additive machining; heat-affected zone; microstructure; tool life; surface finish; residual stress

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

Advances in Digital Manufacturing and Nano Fabrication

edited by

Jian Cheng

, Jianguo Zhang and

Qi Liu

submission deadline 31 Dec 2025 | 10 articles | Viewed by 10825 | Submission Open

Keywords: digital manufacturing; smart manufacturing; nano fabrication; ultra-precision/precision machining; digital twin; advanced manufacturing processes; additive manufacturing; subtractive manufacturing; nano-scale machining; artificial intelligence in manufacturing; sustainable manufacturing

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

Magnetic Manipulation in Micromachines

edited by

Behrad Khamesee

submission deadline 31 Dec 2025 | 1 articles | Viewed by 9360 | Submission Open

Keywords: micromanipulation; electromagnetic devices; permanent magnets; microrobotics; electromagnetic actuators

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

Micro-/Nanofluidic and Lab-on-a-Chip Devices for Biomedical Applications, 3rd Edition

edited by

Senhorinha de Fátima Capela Fortunas Teixeira

Diana Pinho

and

Violeta Carvalho

submission deadline 31 Dec 2025 | 5 articles | Viewed by 8800 | Submission Open

Keywords: micro- and nanofluidics; lab-on-a-chip; biosensing; nanoparticles; drug delivery systems; 3D organ models; nanotechnology; numerical simulations

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

Metamaterials for Sensing Applications

edited by

Yuzhi Shi

and

Yi Yang

submission deadline 31 Dec 2025 | 4 articles | Viewed by 8292 | Submission Open

Keywords: metamaterials; lab on a chip; biological sensing using subwavelength structures; chemical sensing using subwavelength structures; physical sensing using subwavelength structures; optical manipulation using metamaterials; optofluidic device; light– matter interactions

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

The Fabrication of Micro and Nano Bio-Detection Chips, Sensors and Smart Detectors

edited by

Jinping Luo

and

Yang Wang

submission deadline 31 Dec 2025 | 2 articles | Viewed by 6806 | Submission Open

Keywords: bio-detection techniques; micro/nano sensors; materials sciences; novel fabrication techniques; biomarker detection; interdisciplinary research; environmental monitoring; food safety

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

Celebration of 60th Anniversary of Moore's Law: The Significant Milestone in Micromachines

edited by

Sabina Merlo

Huikai Xie

and

Nam-Trung Nguyen

submission deadline 31 Dec 2025 | 5 articles | Viewed by 6487 | Submission Open

Keywords: basic structures of MEMS ; applications of MEMS ; processes of MEMS; bio-MEMS and related fields ; integrated circuits; integrated photonic circuits; semiconductor devices; 2D semiconductor materials; complementary metal– oxide– semiconductor (CMOS); metal– oxide– semiconductor field-effect transistor (MOSFET); nanotransistor; photodetectors; quantum devices; finFETs

Advances in Flexible and Wearable Electronics: Devices and Systems

edited by

Eun Gyo Jeong

submission deadline 31 Dec 2025 | 2 articles | Viewed by 5300 | Submission Open

Keywords: flexible electronics; wearable devices; stretchable sensors; printed and hybrid electronics; low-power circuits and system integration; wireless communication for wearables; energy harvesting and self-powered systems; smart materials and nanostructures; biomedical applications

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

Novel Surface and Bulk Acoustic Wave Devices, Second Edition

edited by Wei Luo, Chengjie Zuo,

Wen Wang

and Jian Zhou

submission deadline 31 Dec 2025 | 1 articles | Viewed by 5099 | Submission Open

Keywords: surface acoustic waves; bulk acoustic waves; RF filters (Hybrid; SAW; BAW); acoustic wave sensors; RF-MEMS

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

Nanogenerators: Design, Fabrication and Applications

edited by Junqing Zhao and

Xiaojing Mu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 4398 | Submission Open

Keywords: nanogenerator; micro- and nano-manufacturing; nanotechnology; energy harvesting; nanoelectronics

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

Thin Film Photovoltaic and Photonic Based Materials and Devices

edited by

Hugo Aguas

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4271 | Submission Open

Keywords: solar cells; photovoltaics; thin films; photonics

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

Flexible Intelligent Sensors: Design, Fabrication and Applications

edited by

Hongcheng Xu

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4058 | Submission Open

Keywords: functional sensing materials; novel sensing mechanisms; AI algorithms for sensors; flexible intelligent/integrated sensor; advanced sensing designs; architectures; devices; and instruments; hybrid or nano/micro fabrication; flexible electronics; advanced application

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

Microrheology with Optical Tweezers

edited by

Manlio Tassieri

submission deadline 31 Dec 2025 | 1 articles | Viewed by 4019 | Submission Open

Keywords: optical tweezers; rheology; microrheology; metrology; biophysics; biomedical engineering

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

Advances in Nanophotonics: Physics, Materials, and Applications

edited by

Yi-Yu Cai

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3860 | Submission Open

Keywords: plasmonics; metamaterials; nanophotonics; self-assembly; single-particle spectroscopy

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

Organic Electronic-Based Devices for Biomedical Applications

edited by

Yongmin Jeon

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3810 | Submission Open

Keywords: 2D materials; organic/inorganic electronics; implantable/attachable/wearable devices; flexible/stretchable/transparent electronics; wearable sensors; optogenetics; wearable electroceuticals; OLED/QLED/OPD/PSC; electrode/encapsulation

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

Recent Developments in Electrical Discharge Machining Technology

edited by

Muhammad Pervej Jahan

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3158 | Submission Open

Keywords: micro-EDM; nano-EDM; hybrid EDM; parameter optimization; analytical modeling; process simulation; tool wear; difficult-to-cut material

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

Integrated Optical Sensors in Microfluidic Systems

edited by

Sándor Valkai

and Krisztina Nagy

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3149 | Submission Open

Keywords: integrated optical devices; label-free detection; optical biosensors; electrooptical sensors; microfluidics; microfabrication

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

Technological Advances in Polymer Microfabrication: Design and Processing Innovations, 2nd Edition

edited by

Davide Masato

and

Peng Gao

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2879 | Submission Open

Keywords: micro- and nano-fabrication; polymer processing; micro injection molding; additive manufacturing; advanced manufacturing.

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

Micro/Nano Optical Devices and Sensing Technology

edited by

Zhidong Zhang

submission deadline 31 Dec 2025 | 5 articles | Viewed by 2256 | Submission Open

Keywords: micro/nano optical devices; optical sensing; photonic crystals; plasmonic resonance; metasurfaces; micro/nano fabrication

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

Ultrafast Laser Micro- and Nanoprocessing, 3rd Edition

edited by

Xin Zhao

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2191 | Submission Open

Keywords: ultrafast lasers; materials processing; nano- and microscale; laser– matter interaction; laser ablation; laser machining; surface texturing; two/multi-photon polymerization/reduction; beam/pulse shaping; numerical modeling

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

Innovations in 3D Printing Technologies: From Microfabrication to Functional Applications

edited by

Panagiotis Kyratsis

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1888 | Submission Open

Keywords: 3D printing technologies; additive manufacturing; artificial intelligence (AI) in 3D printing; sustainability in 3D printing; multi-material printing

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

Small-Scale Mechanical Behaviors in Advanced Engineering Materials

edited by

Ting Tsui

and Nitya Nand Gosvami

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1760 | Submission Open

Keywords: small-scale mechanical properties; nano-tribology and wear; nanoindentation and contact mechanics; chemical mechanical polish (CMP); mechanical wear in biomedical implant materials; biological cell adhesion on surfaces

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

Flexible and Wearable Devices for Health Monitoring and Energy Harvesting

edited by

Rafael Gonzalez-Landaeta

and

Amanda Carrillo Castillo

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1632 | Submission Open

Keywords: wearables; devices for healthcare; energy harvesting; sensors; flexible electronics; supercapacitors; harvesters; self-powered electronics

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

Magnetic Materials for Spintronics Devices

edited by

Tomasz Blachowicz

and

Andrea Ehrmann

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1614 | Submission Open

Keywords: GMR; TMR; spin valve; spin-FET; spin-MOSFET; DMI; skyrmions; hopfions; spin polarization; domain walls

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

Laser Shock Peening and Allied Processes to Improve Materials Strength

edited by Jan Brajer and

Pathak Sunil

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1490 | Submission Open

Keywords: laser shock peening; ultrasonic nanocrystal surface modification; residual stresses; plastic deformation; fatigue life; microstructure

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

Metasurface-Based Devices and Systems

edited by

Giuseppe Brunetti

and

Muhammad Ali Butt

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1370 | Submission Open

Keywords: dielectric metasurface; imaging; sensing; communications technologies; beamforming; beamsteering; dielectric antenna

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

Feature Papers of Micromachines in Additive Manufacturing 2025

edited by Reza Teimouri

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1181 | Submission Open

Keywords: novel applications of additive manufacturing; selective laser melting; hybrid additive manufacturing; laser powder bed fusion; laser-based additive manufacturing; metallic additive manufacturing; 3D printing

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

Research Progress of Ultra-Precision Micro-Nano Machining, Second Edition

edited by

Huaizhong Li

and Xiubing Jing

submission deadline 31 Dec 2025 | 2 articles | Viewed by 923 | Submission Open

Keywords: ultra-precision machining; micro-nano machining; micro-nano chip formation; process modeling and simulation; process automation and optimization

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

Magnetorheological Materials and Application Systems, Second Edition

edited by

Seung-Bok Choi

and

Miao Yu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 869 | Submission Open

Keywords: magnetorheological materials; temperature effect; thermal conductivity; heat transfer

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

Microwave-Assisted Advanced Manufacturing Technologies

edited by

Nanya Li

submission deadline 31 Dec 2025 | 1 articles | Viewed by 749 | Submission Open

Keywords: 3D printing; additive manufacturing; microwave material process; biomedical engineering; advanced processing methods

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

Potentials of 2D Materials for Emerging Electronic Devices

edited by

Ghulam Dastgeer

submission deadline 31 Dec 2025 | Viewed by 654 | Submission Open

Keywords: 2D materials; sensing devices; field-effect transistors (FETs); gas sensors; biosensors; transition metal dichalcogenides (TMDs); graphene; optical sensors; flexible electronics; Internet of Things (IoT); wearable sensors; surface functionalization; nanodevices; neuromorphic sensing; artificial intelligence integration

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

Selected Papers from the 26th EuroSimE Conference

edited by

Jiajie Fan

and Willem Van Driel

submission deadline 31 Dec 2025 | Viewed by 470 | Submission Open

Keywords: MEMS/NEMS; microelectronics microsystems reliability; simulation and modeling

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

Solid-State Sensors, Actuators and Microsystems—Transducers 2025

edited by

Hyoung Jin Cho

Ha Duong Ngo

and

Jing Wang

submission deadline 31 Dec 2025 | Viewed by 313 | Submission Open

Keywords: microscale and nanoscale materials and fabrication; soft; flexible and stretchable materials and electronics; MEMS; sensors and microsystem; resonators; actuators and transducers; microfluidic platform technologies

Wearable Piezoelectric Sensors for Biomedical Applications

edited by

Ragu Sasikumar

and

Palraj Ranganathan

submission deadline 31 Dec 2025 | Viewed by 281 | Submission Open

Keywords: piezoelectric nanogenerators; wearable sensors; biomechanical motions; healthcare

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

MEMS Sensors and Their Novel Breakthrough Applications

edited by Yu-Sheng Lin

submission deadline 31 Dec 2025 | Viewed by 233 | Submission Open

Keywords: MEMS sensors; microstructures; nanomaterials; nanophotonics; 2D materials; metamaterials; photonic integrated circuit; microfluidics; biochips; 3D printing

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

Advances in Vacuum Nanoelectronics

edited by

John Xanthakis

submission deadline 31 Dec 2025 | Viewed by 229 | Submission Open

Keywords: nanoelectronics for X-ray sources; field emission displays; electron emitters for microscopy and lithography; vacuum transistors; thermoelectric energy conversion; photo-induced electron nanosources; nanoelectronics of THz technology; field emission and microplasma; modern theory of field emission and electron devices

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

Recent Advances in Soft Miniature Robotics: Design, Fabrication, Control, and Application

edited by

Rongjing Zhang

and

Patrick R. Onck

submission deadline 31 Dec 2025 | Viewed by 198 | Submission Open

Keywords: soft robotics; stimuli-responsive materials; bioinspired actuation; 3D/4D printing; human– robot collaboration; medical robotics; autonomous control; wearable technologies

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

Micro/Nano Photonics and Metamaterials: From Research to Applications

edited by Fuxin Guan, Wange Song and

Xinhua Wen

submission deadline 31 Dec 2025 | Viewed by 173 | Submission Open

Keywords: metamaterials/metasurfaces; photonic integrated platform; topological and non-Hermitian physics; micro/nano-scale manufacturing techniques; time-varying media; nonlinear optical devices; complex media; photonic and phononic crystals

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

Microscale Biosensors Based on Smart Hydrogels and Soft Materials

edited by

Ye Tian

and

Wenlong Xu

submission deadline 31 Dec 2025 | Viewed by 169 | Submission Open

Keywords: soft materials; hydrogel; biosensor; hydrogel sensing; flexible sensing

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

Advances in Microfluidic Technologies for 3D Cell Culture, Organ-on-a-Chip, Regenerative Trials and Translational Medicine

edited by

Iraj Alipourfard

submission deadline 31 Dec 2025 | Viewed by 160 | Submission Open

Keywords: regenerative therapy; disease modelling; organ-on-chip; microfluidics; 3D cell culture; stem cell; cell markers

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

Novel Designs in Programmable or Self-Assembling Microdevices

edited by Cheng Lin, Xiaozhou Xin and Liwu Liu

submission deadline 31 Dec 2025 | Viewed by 150 | Submission Open

Keywords: self-assembling material; implantable microdevices; shape memory polymers; 3D/4D Printing; smart microstructures and microdevices

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

Recent Advances in Printing Electronics and Sensor Technologies

edited by Md. Rajibur Rahaman Khan

submission deadline 31 Dec 2025 | Viewed by 140 | Submission Open

Keywords: printed electronics; conductive inks; screen printing; sensors; smart textiles; colorimetric sensor; healthcare devices; printed circuitry

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

Optofluidic Devices and Their Applications

edited by Xiang Wu

submission deadline 1 Jan 2026 | 1 articles | Viewed by 3030 | Submission Open

Keywords: optofluidics; lab-on-a-chip; microfluidics; biomedical diagnostics; environmental sensing; solar energy harvesting; artificial photosynthesis; optofluidic microscopy; spectroscopy; pollutant detection; single-cell analysis; portable imaging; 3D printing in optofluidics; hybrid integration; personalized medicine; molecular analysis; renewable energy solutions; device fabrication techniques; miniaturized analytical systems; high-sensitivity detection; biosensors

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

Self-Powered Sensors: Design, Applications and Challenges

edited by Jian Chen

submission deadline 20 Jan 2026 | 1 articles | Viewed by 583 | Submission Open

Keywords: self-powered sensors; triboelectric/piezoelectric nanogenerator; flexible electronics; thermoelectric; biofuel cell

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

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