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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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Piezoelectric MEMS/NEMS—Materials, Devices, and Applications, Third Edition

edited by

Wei Li

submission deadline 31 Oct 2025 | 4 articles | Viewed by 7355 | Submission Open

Keywords: piezoelectric sensors and actuators; microrobotics; piezoelectric MEMS resonators; acoustic MEMS devices; surface acoustic wave devices; energy-harvesting technologies; simulation and modeling of piezoelectric MEMS; application of smart materials in MEMS; micro/nanofabrication

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

Structural Analyses and Designs for Flexible/Stretchable Electronics, 3rd Edition

edited by

Rui Li

submission deadline 31 Oct 2025 | 3 articles | Viewed by 4758 | Submission Open

Keywords: flexible electronics; stretchable electronics; wearable electronics; bioelectronics; implantable electronics; flexible/stretchable electronic materials; flexible/stretchable electronic structures; flexible/stretchable electronic components; structural analyses; structural designs; structural optimization

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

Emerging Trends in Optoelectronic Device Engineering

edited by Indu Sharma and MINNAM REDDY VASUDEVA REDDY

submission deadline 31 Oct 2025 | 4 articles | Viewed by 4333 | Submission Open

Keywords: optoelectronics; 2D materials; thin films; semiconducting materials; quantum dots; photoluminescence; bandgap engineering; photovoltaics; optical sensors; light emitting diodes (lEds); solar cells; photodetectors; photoelectrochemical; water splitting

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

Advanced Interconnect and Packaging, 3rd Edition

edited by

Wensheng Zhao

and Dawei Wang

submission deadline 31 Oct 2025 | 3 articles | Viewed by 3867 | Submission Open

Keywords: interconnect on-chip interconnect; through-silicon via (TSV); transmission line; advanced packaging; 3D integrated circuits and microsystems; antenna in packaging (AiP); integrated passive device (IPD)

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

Micro/Nano Manufacturing of Electronic Devices

edited by Qianqian Chen, Haoyue Li and

Guo Liu

submission deadline 31 Oct 2025 | 3 articles | Viewed by 3173 | Submission Open

Keywords: micromachining of vacuum electronic devices; interface engineering of sensors; microelectronics assembly; micro/nano-scale processes; micro-joining; laser micromachining; emerging microfabrication technologies; micro/nanostructures for surface and interface engineering; reliability assessment

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

The Next Generation of Magnetometer Microsystems and Applications, 2nd Edition

edited by

Zongmin Ma

Huanfei Wen

and

Xiujian Chou

submission deadline 31 Oct 2025 | 3 articles | Viewed by 2979 | Submission Open

Keywords: quantum sensor; magnetometer; chip scale; NV center; OPM; SQUID; SERF; magnetometer microsystem; magnetometer application

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

Recent Advances in MEMS Mirrors

edited by

Dayong Qiao

and Binbin Wang

submission deadline 31 Oct 2025 | 3 articles | Viewed by 2867 | Submission Open

Keywords: MEMS mirrors: modelling; control; fabrication and other; MEMS mirror arrays: deformable mirror; digital mirror device; phase light modulator; optical cross connect (OXC) and other; MEMS mirror applications: optical communications; optical imaging; spectrometers; optical display; laser printing and other

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

Integrated Sensing and Transducing Devices

edited by

Cihun-Siyong Gong

submission deadline 31 Oct 2025 | 1 articles | Viewed by 2650 | Submission Open

Keywords: sensor; transducer; signal; miniaturization; IC; chip; SoC; algorithm; process; micromachine

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

Integrated Optical, Electrochemical, and Electrical Biomicrofluidics

edited by Lihua Wang,

Shilun Feng

and Xiuli Gao

submission deadline 31 Oct 2025 | 1 articles | Viewed by 1230 | Submission Open

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

Exploring the Potential Applications of Microfluidics

edited by

Ion Stiharu

submission deadline 31 Oct 2025 | 1 articles | Viewed by 721 | Submission Open

Keywords: microfluidic flow; microchannels; fabrication of microfluidic components; microfluidic circuits; microfluidic applications; particles fabrication; particles separation; particle detection; liposomes; microfluidics vs. milifluidics; hybrid microfluidics

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

Recent Advances in Nanoindentation Techniques

edited by Pengyue Zhao and

Costas Charitidis

submission deadline 31 Oct 2025 | 1 articles | Viewed by 626 | Submission Open

Keywords: nanoindentation; mechanical properties; nanostructured materials; deformation mechanisms; multiscale simulations; edge effects; material anisotropy; computational materials science

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

Micro- and Nanofluidics for Biomedical Applications

edited by

Rui A. Lima

Diana Pinho

and Beatriz D. Cardoso

submission deadline 31 Oct 2025 | Viewed by 599 | Submission Open

Keywords: microfluidics; nanofluids; biomicrofluidics; microfabrication; mass transport; heat transport; computational fluid dynamics; lab-on-a-chip; organ-on-chips; cell mechanics; nanoparticles; blood flow; microcirculation; biosensors

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

Microfabrication and Nanotechnology in Manufacturing Systems

edited by

Marcin Adamiak

Marek Placzek

and

Dumitru Nedelcu

submission deadline 31 Oct 2025 | Viewed by 232 | Submission Open

Keywords: micro/nanotechnologies; materials; manufacturing; industrial applications

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

3D Bioprinting and Biofabrication Technologies for Tissue Engineering

edited by

Yi Zhang

submission deadline 31 Oct 2025 | Viewed by 223 | Submission Open

Keywords: biofabrication; biomaterials; 3D bioprinting; tissue engineering; bioink; scaffolds

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

Recent Advances in Resonator-Based Magnetic Sensors

edited by Wen Zhao and Zilong Zhang

submission deadline 31 Oct 2025 | Viewed by 220 | Submission Open

Keywords: mechanical resonators; resonant magnetic sensors; magnetic field sensing; magnetic force detection; advanced sensing technologies

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

Advances in Wire-Based Metal Additive Manufacturing

edited by Armando Caballero and Chong Wang

submission deadline 31 Oct 2025 | Viewed by 190 | Submission Open

Keywords: wire arc additive manufacturing; wire laser additive manufacturing; electron beam metal deposition; process optimization; material performance; residual stress; process monitoring; quality control

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

Micro/Nano Thermal Fluids and Applications

edited by

Ziad Saghir

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

Keywords: convection; porous media; Newtonian flow; non-Newtonian flow; micro/nano heat transfer; multi-phase flow

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

The New Era of Surface Microfluidics: Advances and Applications

edited by

Navid Kashaninejad

submission deadline 31 Oct 2025 | Viewed by 165 | Submission Open

Keywords: surface microfluidics; capillary-driven flow; digital microfluidics; wettability engineering; biosensing and spectroscopy; closed-channel microfluidics; electrowetting and magnetowetting; microfabrication and surface modification; lab-on-a-chip technologies; optofluidics and microfluidic sensing

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

Ultra-Precision Micro Cutting and Micro Polishing

edited by

Yinhui Wang

and Weijia Guo

submission deadline 31 Oct 2025 | Viewed by 158 | Submission Open

Keywords: ultra-precision cutting; cutting mechanisms; chemical and mechanical polishing; elastic emission machining; photoelectrochemical polishing; plasma polishing; jet polishing; magnetic fluid polishing; ion beam polishing; laser-assisted polishing; ultraviolet-assisted polishing; catalyst-referenced etching polishing

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

Advances and Applications of Optical Metasurfaces and Metalens

edited by Saurabh Srivastava

submission deadline 31 Oct 2025 | Viewed by 109 | Submission Open

Keywords: meta-optics; metasurface; deep-UV; refractive index; tunability; phase-change

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

Emerging Trends in Single-Cell Biosensors: Technologies, Applications, and Future Directions

edited by

Eiichi Tamiya

and Xi Luo

submission deadline 31 Oct 2025 | Viewed by 94 | Submission Open

Keywords: single-cell biosensors; biochemical detection; real-time monitoring; IoT-enabled biosensing; nanomaterials; AI-assisted data analysis; high-throughput screening; personalized diagnostics

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

Development of 3D Cancer Models in Microengineered Systems

edited by

Sofia Avnet

submission deadline 31 Oct 2025 | Viewed by 92 | Submission Open

Keywords: three-dimensional cancer models; microfluidics and lab-on-a-chip; tumour microenvironment and metastasis; drug screening and immunotherapy; biofabrication and novel biomaterials

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

State of the Art in Perovskite Solar Cells

edited by Jinfei Dai

submission deadline 31 Oct 2025 | Viewed by 86 | Submission Open

Keywords: perovskite solar cells; photovoltaic; perovskite surface; solar energy; energy conversion

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

Microfluidic Machinery with 3D Channel Networks

edited by Juyeol Bae

submission deadline 31 Oct 2025 | Viewed by 66 | Submission Open

Keywords: 3D microfluidics; microsystems; lab-on-a-chip; microfabrication; nanofabrication; high-throughput processing; biomimetics

(This special issue belongs to the Section C1: Micro/Nanoscale Electrokinetics)

Recent Progress in Silicon/Graphene Junction-Based Devices for Various Applications

edited by Sabata J. Moloi

submission deadline 31 Oct 2025 | Viewed by 64 | Submission Open

Keywords: silicon/graphene; defects; interfaces; junction; devices; optoelectronic

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

Innovations in Biosensors, Gas Sensors and Supercapacitors

edited by

Prashant Shivaji Shewale

submission deadline 15 Nov 2025 | 1 articles | Viewed by 1609 | Submission Open

Keywords: microsystems; electrochemical sensors; energy storage; glucose monitoring; gas detection; supercapacitors; miniaturization; fabrication techniques; sensor technology; biosensors

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

Electrokinetic Principles in Biological and Biomedical Systems

edited by Gongchen Sun

submission deadline 15 Nov 2025 | Viewed by 58 | Submission Open

Keywords: electrokinetics; micro/nanofluidics; electrophoresis; dielectrophoresis; electroosmosis; ion concentration polarization; charge separation; membrane potential; electrotaxis; cell signaling

(This special issue belongs to the Section C1: Micro/Nanoscale Electrokinetics)

Fiber-Optic Technologies for Communication and Sensing

edited by Pengyu Guan and Xingyuan Xu

submission deadline 20 Nov 2025 | 3 articles | Viewed by 2694 | Submission Open

Keywords: optical signal processing; optical communication; nonlinear devices; fiber lasers; optical frequency comb; photonic crystal fibers; optical computing; quantum information processing; optical interconnects; optical fiber amplifier and optical module; fiber-optic sensor; fiber Bragg grating

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

Biosensors and Their Applications in Disease Characterization and Diagnosis

edited by Arwa Fraiwan

submission deadline 20 Nov 2025 | 1 articles | Viewed by 764 | Submission Open

Keywords: diagnostics; point-of-care; disease characterization; cell-based sensors; biochemical sensors; microbial sensors

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

Integrated Photonics and Optoelectronics, 2nd Edition

edited by

He Yang

submission deadline 30 Nov 2025 | 7 articles | Viewed by 17254 | Submission Open

Keywords: active and passive photonic devices; nanoscale optical modulators and photodetectors; chip integrated single photon generation and detection; photonic interfaced hybrid quantum systems; photonic computing and photonic quantum computing; advanced nanomaterial for photonic structure; on chip mid-IR photonics; micro- and nanofabrication techniques

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

Flows in Micro- and Nano-Systems

edited by

S. Kokou Dadzie

submission deadline 30 Nov 2025 | 7 articles | Viewed by 13817 | Submission Open

Keywords: nanofluid heat transfer; nano-liquid flows; thermal-creeping flows/thermophoresis; diffusion in microfluidics; Newtonian/non-Newtonian electrolyte flows; electro-viscous flows; multiphase flows in micro- and nanochannels

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

Laser Micro/Nano Fabrication, Second Edition

edited by

Thomas C. Hutchens

submission deadline 30 Nov 2025 | 9 articles | Viewed by 13496 | Submission Open

Keywords: laser micro/nanofabrication/machining; direct laser writing; subtractive/additive processing; surface texturing; optical surface modification; ultrafast/femtosecond lasers

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

2D-Materials Based Fabrication and Devices

edited by

Wu Shi

and

Hu Long

submission deadline 30 Nov 2025 | 5 articles | Viewed by 12465 | Submission Open

Keywords: two-dimensional materials; van der Waals heterostructures; transistors; gas sensors; MEMS

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

Micro/Nanostructures in Sensors and Actuators, 2nd Edition

edited by

Cong Wang

and

Shulan Jiang

submission deadline 30 Nov 2025 | 9 articles | Viewed by 10451 | Submission Open

Keywords: micro/nano fabrication; micro/nano structure; sensors and actuators; MEMS; BioMEMS

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

MEMS Actuators and Their Applications

edited by Nicholas Sammut

submission deadline 30 Nov 2025 | 5 articles | Viewed by 9324 | Submission Open

Keywords: MEMS actuators; microactuators

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

Electromagnetics with Graphene and 2D Materials: Physics, Applications and Meta-Devices

edited by Alexandros Pitilakis,

Odysseas Tsilipakos

and Hamidreza Taghvaee

submission deadline 30 Nov 2025 | 2 articles | Viewed by 5303 | Submission Open

Keywords: graphene; two-dimensional materials (TMDs; MXenes; black phosphorous; etc.); metasurfaces; optics and photonics; THz science; mmWave technology; optoelectronics; electro-optics; reconfigurable devices; electronics; energy harvesting; space/time-varying structures; nonlinear phenomena; light sources; topological photonics; quantum photonics; waveguides; antennas

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

Advancement of Laser Technology from Materials Processing to Nano/Micro Fabrications

edited by

Pawan K. Kanaujia

and Sima Umrao

submission deadline 30 Nov 2025 | 3 articles | Viewed by 3890 | Submission Open

Keywords: laser material processing; light– matter interactions; lasers in defense and manufacturing; sustainable recycling process; renewable energy; laser machining; cutting; welding; and polishing

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

Polymer-Based Microfluidics

edited by Yiqiang Fan,

Pingan Zhu

and

Jiaming Zhang

submission deadline 30 Nov 2025 | 1 articles | Viewed by 3645 | Submission Open

Keywords: microfluidics; polymer microfluidics; PDMS; PMMA; COC; microfabrication; flexible microfluidics; wearable devices; soft robotics

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

Advanced Micromixing Technology

edited by

Lanju Mei

submission deadline 30 Nov 2025 | 4 articles | Viewed by 3151 | Submission Open

Keywords: microfluidic mixing; mixing efficiency; passive micromixer; active micromixer; acoustic; electric; pressure; magnetic field; etc.; micromixing technology; obstacles; serpentine; lamination and spiral structures; etc.

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

Application of Microfluidic Technology in Biology

edited by Sumit Parvate and

Goran T. Vladisavljević

submission deadline 30 Nov 2025 | 2 articles | Viewed by 3023 | Submission Open

Keywords: microfluidics; lab-on-a-chip; single-cell analysis; organ-on-a-chip; high-throughput screening; DNA sequencing; personalized medicine; synthetic biology; real-time analysis; diagnostics

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

Recent Advances and Challenges in Nanoscale and Microscale Semiconductor Devices

edited by

Zeinab Ramezani

and Seyed Amir Ghoreishi

submission deadline 30 Nov 2025 | 2 articles | Viewed by 2586 | Submission Open

Keywords: nano transistors; short-channel effects; FinFETs; FET biosensors; power devices; semiconductor technology

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

Advanced Biomaterials and Biofabrication

edited by

Yongcong Fang

, Zhongwei Guo and

Kai Zheng

submission deadline 30 Nov 2025 | 1 articles | Viewed by 2398 | Submission Open

Keywords: biomaterials; biofabrication; 3D bioprinting; tissue engineering; stem cell

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

Novel Electromagnetic and Acoustic Devices

edited by

Bin Zheng

and Rui Xi

submission deadline 30 Nov 2025 | 4 articles | Viewed by 1982 | Submission Open

Keywords: metamaterials; metasurfaces; acoustics topological insulators; reconfigurable; multifunction

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

Nanostructured Optoelectronic and Nanophotonic Devices

edited by

Arun Kumar

and

Antonio Di Bartolomeo

submission deadline 30 Nov 2025 | 2 articles | Viewed by 1653 | Submission Open

Keywords: nanomaterials; broadband detection; photodetectors; quantum dots; light– matter interaction; solar cells; nanophotonic devices

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

Research Progress of Silicon-Based Photodetectors

edited by Yuan Dong

submission deadline 30 Nov 2025 | 1 articles | Viewed by 562 | Submission Open

Keywords: photodetectors; silicon; extreme environments; fabrication processes

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

Integration of MEMS, 3D Printing, and Nano-Enabled Technologies in Wireless Communication and Sensing Systems

edited by

Ignacio Llamas-Garro

and

Satyendra Kumar Mishra

submission deadline 30 Nov 2025 | 1 articles | Viewed by 498 | Submission Open

Keywords: optical wireless communication; fiber sensor; nanomaterial; 5g/6g networks; mems; nanomaterial sensors; integrated communications and sensing

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

Next-Generation Wearable Technologies: Integrating Smart Sensing, Biomedical Innovation, and Sustainable Energy Solutions

edited by

Alwathiqbellah Ibrahim

submission deadline 30 Nov 2025 | 1 articles | Viewed by 382 | Submission Open

Keywords: wearable technologies; smart sensors; biomedical sensing; self-powered systems; energy harvesting; health monitoring; adaptive sensing; sustainable electronics

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

Advanced Nanomaterials for High-Performance Gas Sensors

edited by

Rajneesh Kumar Mishra

submission deadline 30 Nov 2025 | 1 articles | Viewed by 260 | Submission Open

Keywords: nanostructured materials; gas sensing mechanisms; metal oxide semiconductors (MOSs); two-dimensional (2D) materials; heterojunction engineering; room-temperature sensing; selectivity enhancement; sensor sensitivity optimization

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

Advances in Focused Ion Beam Technology for Micro- and Nano-Fabrication

edited by Yi Qiao and Zongwei Xu

submission deadline 30 Nov 2025 | Viewed by 231 | Submission Open

Keywords: FIB; micro-fabrication; nano-fabrication; TEM; APT

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

Point-of-Care Medical Testing

edited by

Michael G. Mauk

submission deadline 30 Nov 2025 | Viewed by 230 | Submission Open

Keywords: point-of-care; NAAT (nucleic acid amplification test); microfluidics; lab-on-a-chip; diagnostics

(This special issue belongs to the Section B4: Point-of-Care Devices)

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