Results 301 to 310 of about 693,236 (350)

Thin-Film-Engineered Self-Assembly of 3D Coaxial Microfluidics with a Tunable Polyimide Membrane for Bioelectronic Power. [PDF]

Nanomicro Lett
Egunov AI, Tang H, Saenz PE, Karnaushenko DD, Luo Y, Zhong C, Wang X, Huang Y, Fedorov P, Merces L, Zhu M, Karnaushenko D, Schmidt OG.   +12 more
europepmc   +1 more source

Water-dispersible perovskite nanocrystals: synthesis strategies, ion sensing applications, and future prospects. [PDF]

RSC Adv
Lu Z, Weng X, Yang J, Fan H.
europepmc   +1 more source

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Tunable Filters with Extended Tunability

Japanese Journal of Applied Physics, 1992
Filters with extended tunability using waveguide devices are proposed. The first and second types of filters are combinations of a filter with a wide tuning range and a filter with narrow passbands. The first type is composed of cascaded filters and the second type is the filter with a wide tuning range embedded in a resonator.
Hideaki Okayama Hideaki Okayama, Masato Kawahara Masato Kawahara   +1 more
openaire   +1 more source

Tunable FBARs: Intrinsic vs. extrinsic tunability

2012 IEEE/MTT-S International Microwave Symposium Digest, 2012
The methods used to make the Film Bulk Acoustic Resonators (FBAR) tunable is reviewed. Intrinsically tunable FBARs make use ferroelectrics in ferroelectric and paraelectric (non-polar) phases have tunabilities up to 5% and more. Extrinsically tunable resonators are based on traditional piezoelectric FBARs and make use of external varactors and ...
S. Gevorgian, A. Vorobiev
openaire   +1 more source

Tunable acoustic metasurface based on tunable piezoelectric composite structure

The Journal of the Acoustical Society of America, 2022
Due to the potential engineering needs, the passive tunable metasurfaces with a high performance equivalent to the active phased array is worthy of research. Here, a passive ultrathin metasurface unit composed of a piezoelectric composite structure (PCS) connected to an external capacitor, which can modulate the phase of the transmitted acoustic waves ...
Yao-Yin Peng, Zhang-Zhao Yang, Zhi-Lei Zhang, Xin-Ye Zou, Chao Tao, Jian-Chun Cheng   +5 more
openaire   +2 more sources

Unprecedented Tunable Tetraazamacrocycles

Organic Letters, 2010
Novel nitrogen-bridged aza[1(4)]cyclophanes with fine-tuned cavities have been synthesized by nucleophilic aromatic substitution of 1,5-difluoro-2,4-dinitrobenzene with diaminobenzene derivatives.
Haddoub, R., Touil, M., Raimundo, J.M., Siri, O.   +3 more
openaire   +3 more sources