Zobrazeno 1 - 10
of 318
pro vyhledávání: '"Ahmad Safari"'
Publikováno v:
Micromachines, Vol 15, Iss 1, p 71 (2023)
The advancement of spatial interaction technology has greatly enriched the domain of consumer electronics. Traditional solutions based on optical technologies suffers high power consumption and significant costs, making them less ideal in lightweight
Externí odkaz:
https://doaj.org/article/bf4d642b049247a6ab11736c40b05f85
Publikováno v:
Micromachines, Vol 15, Iss 1, p 72 (2023)
This paper presents a novel piezoelectric micromachined ultrasonic transducer (PMUT) with theoretical simulation, fabrication, and testing. Conventional methods using a PCB or an external horn to adjust the PMUT acoustic field angle are limited by th
Externí odkaz:
https://doaj.org/article/22d26c611656454da0585e2495577b02
Autor:
Mahmoud Mehravaran, Ahmad Safari
Publikováno v:
قرآن فرهنگ و تمدن, Vol 3, Iss 1, Pp 110-135 (2022)
General culture is like a tree with many branches. Customs, traditions, beliefs and opinions, type of clothing, types of food and various aspects of life are the leafy branches of this tree. Considering the Islamic nature of the society (in its gener
Externí odkaz:
https://doaj.org/article/a99f239ee36941a596b3de6ccb95e9dc
Publikováno v:
Journal of Advanced Dielectrics, Vol 5, Iss 2, Pp 1530002-1-1530002-15 (2015)
Piezoelectric materials have been vastly used in ultrasonic transducers for medical imaging. In this paper, firstly, the most promising lead-free compositions with perovskite structure for medical imaging applications have been reviewed. The electrom
Externí odkaz:
https://doaj.org/article/cbdb4700c7504b46bb9076c71c616b52
Akademický článek
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Autor:
Shinjae Hwang, Spencer H. Porter, Mengjun Li, Ryan Thorpe, Anders B. Laursen, Hengfei Gu, Ahmad Safari, Martha Greenblatt, Eric Garfunkel, G. Charles Dismukes
Publikováno v:
The Journal of Physical Chemistry C. 126:5970-5979
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7472d630d9c381bcf069e8c500f833dd
https://doi.org/10.1021/acs.jpcc.1c10148
https://doi.org/10.1021/acs.jpcc.1c10148
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ0801
Pb-based ferroelectrics and piezoelectrics in the form of bulk polycrystalline and textured ceramics, single crystals, and composites, have been used in sensors, actuators, and other electromechanical devices. However, the toxicity of these materials
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edd52cbe97d13101a14ce69e5afd3365
https://doi.org/10.35848/1347-4065/acc812
https://doi.org/10.35848/1347-4065/acc812
Publikováno v:
Japanese Journal of Applied Physics. 61:SN0801
A concise overview of ferroelectric ceramics and composites, which constitute the backbone of transducer applications such as actuators, sensors, energy harvesting, and storage are provided. For piezoelectric composites based on ferroelectric ceramic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::603d8a3b246ab448ab0f51c6aaa4408a
https://doi.org/10.35848/1347-4065/ac8bdc
https://doi.org/10.35848/1347-4065/ac8bdc
Autor:
Ruimin Chen, Masato Yamazaki, Ahmad Safari, Takayuki Matsuoka, K. Kirk Shung, Jianguo Zhu, Qifa Zhou, Teng Ma, Gengxi Lu, Tian-Fu Zhang, Laiming Jiang, Xuejun Qian
Publikováno v:
IEEE Transactions on Biomedical Engineering. 66:1580-1587
High-frequency ultrasonic imaging with improved spatial resolution has gained increasing attention in the field of biomedical imaging. Sensitivity of transducers plays a pivotal role in determining ultrasonic image quality. Conventional ultrasonic tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1530fcda287afaae6b4a159336d43c6
https://doi.org/10.1109/tbme.2018.2876063
https://doi.org/10.1109/tbme.2018.2876063
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2673:115-124
This study investigated the energy harvesting performance of a piezoelectric module in asphalt pavements through laboratory testing and multi-physics based simulation. The energy harvester module was assembled with layers of Bridge transducers and te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caca577509431abcb217eb971d015ee9
https://doi.org/10.1177/0361198119830308
https://doi.org/10.1177/0361198119830308