Ahmad Safari
- DISTINGUISHED PROFESSOR , School of Engineering, Materials Science & Engineering
- 9382 Citations
Research activity per year
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- 1 Similar Profiles
- Ceramic Chemical Compounds 100%
- Lead zirconate titanate Engineering & Materials Science 91%
- Piezoelectric ceramics Engineering & Materials Science 82%
- Composite materials Engineering & Materials Science 71%
- Transducers Engineering & Materials Science 62%
- Thin films Engineering & Materials Science 61%
- Layered manufacturing Engineering & Materials Science 59%
- Polymers Engineering & Materials Science 56%
Collaborations and top research areas from the last five years
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Projects per year
Piezoelectric Energy Harvesting in Airport Pavement
Safari, A. & Wang, H. H.
U.S. Department of Transportation
1/1/15 → 12/31/18
Project : Research project
- pavement 100%
- airport 57%
- piezoelectricity 19%
U.S.-Egypt Cooperative Research: Direct (Gel) Casting of Piezoelectric Ceramic Parts
Safari, A. & Allahverdi, M.
National Science Foundation
9/1/05 → 8/31/07
- slurries 82%
- piezoelectric ceramics 61%
- forming techniques 49%
US-Egypt Cooperative Research: Solid Free Form Fabrication (SFF) of Self-Bonded Silicon Carbide
9/1/02 → 8/31/04
- Layered manufacturing 100%
- Silicon carbide 54%
- Engineers 15%
- Hot isostatic pressing 14%
Processing of Controlled-Microstructure Nanosized Dielectricand Electrostrictive Powders: The Effect of Final Grain Size on Phase Transitions and Dielectric Properties
9/1/94 → 8/31/97
- dielectric properties 100%
- grain size 81%
- microstructure 63%
- industries 60%
- ceramics 48%
Research output
- 184 Article
- 38 Conference contribution
- 29 Conference article
- 5 Review article
- 1 Foreword/postscript
Research output per year
TiO 2 /TiN Interface Enables Integration of Ni 5 P 4 Electrocatalyst with a III-V Tandem Photoabsorber for Stable Unassisted Solar-Driven Water Splitting
Research output : Contribution to journal › Article › peer-review
- Electrocatalysts 100%
- Platinum-Group Metal 56%
- Catalysts 55%
- Electrolytes 38%
Advances in development of Pb-free piezoelectric materials for transducer applications
Research output : Contribution to journal › Review article › peer-review
- Piezoelectric materials 100%
- Transducers 73%
- transducers 62%
- electromechanical devices 57%
Overcoming the limits of piezoelectric composites
Silver niobate tantalate ceramics and thin films for energy storage applications.
Research output : Chapter in Book/Report/Conference proceeding › Conference contribution
- Silver 100%
- Thin films 86%
- Energy storage 80%
- Energy Storage 78%
- Pulsed laser deposition 70%
Creating Functional Oxynitride-Silicon Interfaces and SrNbO 2 N Thin Films for Photoelectrochemical Applications
- oxynitrides 100%
- Thin films 79%
- Surface roughness 69%
- Silicon 66%
- Energy gap 63%
Ahmad Safari
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Advances in Development and Applications of Piezoelectric Materials by Ahmad Safari
UFFC-S Virtual Lecturer Education Series
Talk Abstract Piezoelectric lead zirconate titanate (PZT) in the form of bulk ceramic, single crystal, composite, and thin films have been used in sensors, actuators, and other electromechanical devices. However, the toxicity of these materials and their exposure to the environment during processing steps such as calcination, sintering, machining, as well as problems in recycling and disposal have been major concerns around the globe for the past few decades. The report of high piezoelectric activity in the ternary lead-free KNaNbO₃-LiTaO₃- LiSbO₃ and (Bi,Na)TiO₃-(Bi,K)TiO₃-BaTiO₃ /(Bi,Li)TiO₃ systems have given high hope for alternatives to PZT. Recent modifications of KNN-based compositions with BaZrO₃, NTK, and Bi₀․₅(Li 0.5 /Na₀․₅) TiO₃ results in excellent electromechanical properties increased further research and interest in Pb-free materials and brings hope for practical applications close to reality. The organization of this lecture is in the following three sections:
First, Pb-Based piezoelectric materials in view of their flexibility on a wide range of composition, processing/reproducibility, and outstanding electromechanical properties will be reviewed. Processing of piezoelectric ceramic with various densification methods as well as the development of novel design ceramic and composite by additive manufacturing will be discussed. The advantages and disadvantages of Pb-based ceramics in several applications will be emphasized.
In the second part of the talk, the latest development on KNN and BNT based composition with an emphasis on the development of reproducible BNT-based hard piezoelectric composition with high mechanical quality factor and soft piezoelectric with moderate electromechanical properties will be reviewed. The BNT-based hard composition outperformed the Pb-based piezoelectric in high power applications due to the higher coercive field and more stable Q with vibration velocity. The research study of low-temperature sintering of BNT based ceramic with Cu electrode using a combination of sintering aids and a controlled atmosphere opens an excellent opportunity for Pb-free multilayer actuators.
Lastly, the design, development, and excellent performance of piezoelectric and dielectric composite for ultrasound imaging, energy harvesting and storage, and high-power applications will be presented.
Author Bio Ahmad Safari is a Distinguished Professor of the Department of Materials Science and Engineering, and Director of Glenn Howatt Electroceramic Laboratory at Rutgers University. His main field of interest includes structural property relationships in electro-ceramic materials for dielectric, piezoelectric, and ferroelectric applications, thin films, and ceramic - polymer composites for transducers, and additive manufacturing of advanced functional materials. He has published over 400 articles and book chapters and edited a book and has been granted 22 U.S. patents. He has advised over 50 senior undergraduate projects, over 30 post-doctoral research associates/visiting scientists, and graduated over 30 Ph.D. and MS students. He has presented over 600 plenaries, invited, and contributed talks at national and international conferences, workshops, universities, and industries. He is a Fellow of the IEEE UFFC-S Society, American Ceramic Society, and a member of the World Academy of Ceramics. His sustained and impactful contributions in structure-property relationships of ferroelectric and piezoelectric ceramics, composites transducers, and films have been recognized by multiple awards including IEEE-UFFC Robert E. Newnham Ferroelectrics award, IEEE UFFC-S Ferroelectrics Recognition award, the theUS-Japan scientific committee of the Dielectric and Piezoelectric Meetings US-Japan Bridge building award, and Rutgers University prestigious Donald H.Jacobs Chair in Applied Physics.
Ahmad Safari is the recipient of the IEEE UFFC-S Distinguished service award for his outstanding contribution to society for over 25 years in various capacities. He has been an active member of the AdCom for over 35 years in various positions including President, president-elect, VP of Ferroelectrics, executive member of AdCom, VP Symposia, Symposium General Chair for the Joint 2013 UFFC-EFTF and PFM Symposia, and the IEEE ISAF 96, and, TUFFC Associate Editor; member of Ferroelectrics Technical Standing Committee, and member of several UFFC-S AdCom committees including ISAF and IUS Technical Program, UFFC Bylaw, Fellow, Awards, Finance, and AdCom Emeritus. He has led the IEEE UFFC-S international delegation leader of the People-to-People Ambassador Program to China.
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Ahmad Safari's research interests include the structure-property relationships in ferroelectric, dielectric and piezoelectric materials in the form of thin films, bulk ceramics & ceramic -polymer composites for sensor and actuator applications, solid free form fabrication of advance functional materials. Recent work at Dr. Safari's Glenn ...
Ahmad Safari, Ph.D. Distinguished Professor Location. Center for Ceramic Research 607 Taylor Road, Room 118 Piscataway, NJ 08854. Phone. 848-445-4367. Email. [email protected]. Website. https://mse.rutgers.edu/ Area Of Expertise Structural-property relationship in ferroelectric and piezoelectric materials, ...
Ahmad Safari's research interests include the structure-property relationships in ferroelectric, dielectric and piezoelectric materials in the form of thin films, bulk ceramics & ceramic -polymer composites for sensor and actuator applications, solid free form fabrication of advance functional materials. Recent work at Dr. Safari's Glenn ...
Ahmad Safari. Rutgers University. No verified email - Homepage. piezoelectric and ferroelectrics materials. Articles Cited by Public access Co-authors. Title. ... MA Jafari, W Han, F Mohammadi, A Safari, SC Danforth, N Langrana. Rapid Prototyping Journal 6 (3), 161-175, 2000. 226: 2000: Development of piezoelectric composites for transducers.
Professor Ahmad Safari received the International Award of Ferroelectric Materials and Their Applications of 2022. The award was given at the 39th meeting on Ferroelectric Materials and Their Applications (FMA) in Kyoto Japan in recognition of Dr. Safari's contribution to Ferroelectric and Piezoelectric Materials.
Ahmad Safari's research interests include the structure-property relationships in ferroelectric, dielectric and piezoelectric materials in the form of thin films, bulk ceramics & ceramic ...
Dive into the research topics where Ahmad Safari is active. These topic labels come from the works of this person. Together they form a unique fingerprint. 1 Similar Profiles. Ceramic Chemical Compounds. 100%. Lead zirconate titanate Engineering & Materials Science. 91%.
Ahmad Safari Richard E. Riman Cubic BaTi1−xZrxO3 (0<x<0.3) powder was prepared via a technique employing hydrolytic decomposition of a bimetallic Ba Ti Zr hydroxyl alkoxide complex.
Ahmad Safari is currently a Distinguished Professor and the Director of the Glenn Howatt Laboratory, Department of the Materials Science and Engineering, Rutgers University, New Brunswick, NJ, USA. He has advised over 25 Ph.D. students and worked with over 30 Post-Doctoral Research Associates. He has edited a book, authored over 400 book ...
Ahmad Safari In the last 25 years, piezoelectric ceramic-polymer composites have been conceptualized, prototyped, fabricated, and implemented in an array of applications encompassing medical ...
Ahmad Safari Compatibility of Bi‐based piezoelectric ceramic and copper electrodes is demonstrated by co‐firing .88Bi1/2Na1/2TiO3 - .08Bi1/2K1/2TiO3 - 0.04BaTiO3 (BNKBT88) with copper.
Ahmad Safari. Ahmad Safari. Affiliation. Rutgers University. IEEE Region. Region 02 (Eastern U.S.) ( Country. USA) Email. Email. Contact Menu. Bio. Distinguished Professor and Director of Glenn Howatt laboratory, department of materials science and engineering at Rutgers University. His research covers the structural-property relationships in ...
1 March 2022 at 11 AM EST (UTC -5:00)Advances in Development and Applications of Piezoelectric MaterialsAhmad SafariRutgers UniversityTalk AbstractPiezoelect...
Ahmad Safari is a Distinguished Professor of the Department of Materials Science and Engineering, and Director of Glenn Howatt Electroceramic Laboratory at Rutgers University. His main field of interest includes structural property relationships in electro-ceramic materials for dielectric, piezoelectric, and ferroelectric applications, thin ...
AHMAD SAFARI. Watch this space, we're creating something special. Follow our journey on social media. Coming soon. AHMAD SAFARI ...
On May 8-9, Prof. Ahmad Safari visited SFU and delivered an enlightening lecture titled "Advances in the Development of Piezoelectric Materials for Transducer Applications." In his lecture, he reviewed the history of the discovery and development of piezo-/ferroelectric materials, extensively covering the properties of Pb-based piezoelectric ...
Ahmad SAFARI | Cited by 37 | of Rutgers, The State University of New Jersey, NJ (Rutgers) | Read 1 publication | Contact Ahmad SAFARI
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Please Subscribe =) Road to 100K!- Full Playlist: https://www.youtube.com/playlist?list=PLz1UQhw0O7bZmHen1FJudpHK_MryCq6-JWalkthrough00:00 Intro- CHAPTER 20:...
Ahmad Safari Ba0.60Sr0.40TiO3 thin films were deposited on <100> oriented NdGaO3 substrates by pulsed-laser deposition. Film thickness ranged from 20 nm to 800 nm.
398 likes, 4 comments - pardhan_fareed_ahmad on April 17, 2024: "Deer 歷 In RajaJi Tiger Reserve park Uttarakhand ️ . . . #rajajitigerreserve #rajajitigerreserve # ...
One of the earliest full band LIVE performances of Al Stewart's historical epic masterpiece... with lead guitar from Mark "Laurie" Wisefield of Wishbone Ash ...
#Sancharam #Siberia #SafariTV #Santhosh_George_Kulangara #Lal_JoseStay Tuned : https://www.safaritvchannel.com Enjoy & Stay Connected With Us !!---...