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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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Flexible Intelligent Sensors: Design, Fabrication and Applications

edited by

Hongcheng Xu

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2781 | 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)

Integrated Optical Sensors in Microfluidic Systems

edited by

Sándor Valkai

and Krisztina Nagy

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2173 | 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 2069 | 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)

Microwave Passive Components, 3rd Edition

edited by

and

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2026 | Submission Open

Keywords: theory; modeling; fabrication; measurement and applications; microwave-; millimeter- and terahertz-wave passive component/devices applied in communication; radar and other systems; passive component/devices in antennas; filters; biosensors; vacuum electronic devices; pulse compressor; particle accelerator; etc.; other work related to microwave devices

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

Advances in Flexible and Wearable Electronics: Devices and Systems

edited by

Eun Gyo Jeong

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1881 | 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)

Organic Electronic-Based Devices for Biomedical Applications

edited by

Yongmin Jeon

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1871 | 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)

Microrheology with Optical Tweezers

edited by

Manlio Tassieri

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1734 | Submission Open

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

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

Thin Film Deposition and Characterization in Micro- and Nano-Technology

edited by

Chih-Hao Lee

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1576 | Submission Open

Keywords: thin film deposition; thin film characterization; nanoprobe; nanotechnology

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

Recent Developments in Electrical Discharge Machining Technology

edited by

Muhammad Pervej Jahan

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1514 | 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)

Ultra-Precision Surface Abrasive Micro-Machining: Advances and Applications

edited by Fengjun Chen and Jianguo Zhang

submission deadline 31 Dec 2025 | 3 articles | Viewed by 1510 | Submission Open

Keywords: abrasive; polishing; finishing; grinding

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

Recent Advance in Piezoelectric Actuators and Motors, 3rd Edition

edited by

Liang Wang

and

Dalius Mažeika

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1502 | Submission Open

Keywords: piezoelectric actuator; ultrasonic motor; piezoelectric transducer; piezoelectric mirror; arrays energy harvesting; vibration control; piezoelectric actuator and motor modeling; piezoelectric actuator and motor applications: aerospace; weapons; optical instruments; biomedical equipments

(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 1388 | 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)

Advanced Flexible Electronic Devices for Biomedical Application

edited by

Yueying Yang

and

Junyeob Yeo

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1322 | Submission Open

Keywords: flexible or stretchable electronics; wearable sensors; implantable devices; smart prosthetics; bioelectronics; flexible electronic materials; advanced fabrication techniques; bio-integrated systems

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

Advancing Energy Storage Techniques: Chemistry, Materials and Devices

edited by Yingmeng Zhang and Lingna Sun

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1291 | Submission Open

Keywords: energy storage and conversion devices; advanced materials; novel electrode design; cell engineering design; energy storage chemistry; energy storage mechanism; machine learning; multidisciplinary approaches

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

Magnetic Materials for Spintronics Devices

edited by

Tomasz Blachowicz

and

Andrea Ehrmann

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1238 | 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)

Soft Sensors and Soft Circuits: Design, Implementation and Applications

edited by

Lei Jing

and Tomohito Sekine

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1188 | Submission Open

Keywords: e-textiles; e-skin; soft robotics; wearable sensors; flexible and stretchable electronics; human– machine interfaces; conductive polymers; self-healing sensors; hydrogel-based sensors; skin-mountable devices

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

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 1105 | 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)

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 1063 | 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)

Microreactors for Chemical Applications

edited by

Yangcheng Lu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1017 | Submission Open

Keywords: microreactor; chemical synthesis; chemical analysis; reaction; chemical process; process intensification; separation; chemical technology; chemical materials

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

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 1017 | 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)

Ultrafast Laser Micro- and Nanoprocessing, 3rd Edition

edited by

Xin Zhao

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1013 | 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)

Photodetectors and Their Applications

edited by Jinfeng Han

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1009 | Submission Open

Keywords: photodetectors; flexible devices; materials; applications

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

Droplet Microfluidic-Based Systems: Fundamentals, Applications, and Future Directions

edited by Wei Guo and Yage Zhang

submission deadline 31 Dec 2025 | 1 articles | Viewed by 955 | Submission Open

Keywords: microfluidics; droplet manipulations; high-throughput screening; microfabrications; biochemical assays; directed evolution

(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 | 1 articles | Viewed by 857 | 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

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

edited by

Panagiotis Kyratsis

submission deadline 31 Dec 2025 | 1 articles | Viewed by 831 | 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)

Nanogenerators: Design, Fabrication and Applications

edited by Junqing Zhao and

Xiaojing Mu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 791 | Submission Open

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

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

Metasurface-Based Devices and Systems

edited by

Giuseppe Brunetti

and

Muhammad Ali Butt

submission deadline 31 Dec 2025 | 1 articles | Viewed by 739 | Submission Open

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

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

CMOS-MEMS Fabrication Technologies and Devices, 2nd Edition

edited by

Liangxing Hu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 605 | Submission Open

Keywords: CMOS-MEMS fabrication technologies; CMOS; MEMS; CMOS-MEMS integration; 3D integration

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

Current Research Progress in Microwave Metamaterials and Metadevices

edited by

Linda Shao

and

Xiaoguang Zhao

submission deadline 31 Dec 2025 | 1 articles | Viewed by 562 | Submission Open

Keywords: theory and modeling of metamaterials/metasurfaces; electromagnetic metamaterials/metasurfaces; reconfigurable metamaterials/metasurfaces; novel effects in microwave metadevices

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

Potentials of 2D Materials for Emerging Electronic Devices

edited by

Ghulam Dastgeer

submission deadline 31 Dec 2025 | Viewed by 530 | 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)

Micro/Nano Optical Devices and Sensing Technology

edited by

Zhidong Zhang

submission deadline 31 Dec 2025 | 1 articles | Viewed by 418 | 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)

Feature Papers of Micromachines in Additive Manufacturing 2025

edited by Reza Teimouri

submission deadline 31 Dec 2025 | Viewed by 343 | 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)

Selected Papers from the 26th EuroSimE Conference

edited by

Jiajie Fan

and Willem Van Driel

submission deadline 31 Dec 2025 | Viewed by 267 | Submission Open

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

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

Advances in Vacuum Nanoelectronics

edited by

John Xanthakis

submission deadline 31 Dec 2025 | Viewed by 163 | 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)

Wearable Piezoelectric Sensors for Biomedical Applications

edited by

Ragu Sasikumar

and

Palraj Ranganathan

submission deadline 31 Dec 2025 | Viewed by 157 | 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 144 | 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)

Research Progress on Piezoelectric Energy Harvesting Devices

edited by

Min Wang

and

Junrui Liang

submission deadline 31 Dec 2025 | Viewed by 128 | Submission Open

Keywords: piezoelectrics materials and structures; novel ferroelectric and piezoelectric materials; vibration control and application; piezoelectric energy harvesting devices and systems

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

Magnetorheological Materials and Application Systems, Second Edition

edited by

Seung-Bok Choi

and

Miao Yu

submission deadline 31 Dec 2025 | Viewed by 123 | Submission Open

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

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

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 112 | 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)

MEMS and NEMS Sensors: Innovations, Applications, and Future Directions in Micro/Nano Technologies

edited by Meng Nie and

Kuibo Yin

submission deadline 31 Dec 2025 | Viewed by 112 | Submission Open

Keywords: MEMS/nano sensors; micro/nano nanotechnology; sensor technology; material innovations; wearable devices; nanoelectronics

(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 111 | Submission Open

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

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

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

edited by

Huaizhong Li

and Xiubing Jing

submission deadline 31 Dec 2025 | Viewed by 111 | 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)

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 90 | 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)

Microwave-Assisted Advanced Manufacturing Technologies

edited by

Nanya Li

submission deadline 31 Dec 2025 | Viewed by 89 | 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)

Recent Progress in Wearable Healthcare Devices

edited by

Sungyong Jung

and

Hyusim Park

submission deadline 31 Dec 2025 | Viewed by 88 | Submission Open

Keywords: wearable microsystems; flexible/stretchable microelectronics; MEMS/NEMS for health monitoring; on-skin and implantable sensors; multimodal biosensing; AI-enabled microsensors; energy harvesting at microscale; microfluidics for wearable devices; edge computing in wearable health; microfabrication for biomedical applications

(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 79 | 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)

Advances in Nanophotonics: Physics, Materials, and Applications

edited by

Yi-Yu Cai

submission deadline 31 Dec 2025 | Viewed by 76 | Submission Open

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

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

Novel Designs in Programmable or Self-Assembling Microdevices

edited by Cheng Lin, Xiaozhou Xin and Liwu Liu

submission deadline 31 Dec 2025 | Viewed by 75 | 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 75 | 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)

Recent Advances in Field-Effect Transistors: Materials, Devices, and Emerging Applications

edited by Xiao Yu

submission deadline 31 Dec 2025 | Viewed by 70 | Submission Open

Keywords: field-effect transistors; CMOS scaling; novel channel materials; ferroelectric FETs; steep-slope devices; nanosheet FETs; device modeling; gate stack engineering; 2D materials; emerging logic devices

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

Displaying special issue 151-200 on page 4 of 8.

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