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John E Daniels

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Articles 15
Citations 97
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Recent Articles
1.
Nothling M, Daniels J, Vo Y, Johan I, Stenzel M
Angew Chem Int Ed Engl . 2023 Mar; 62(20):e202218955. PMID: 36919238
Piezocatalysis offers a means to transduce mechanical energy into chemical potential, harnessing physical force to drive redox reactions. Working in the solid state, we show here that piezoelectric BaTiO nanoparticles...
2.
Moss S, Flicker J, Munk D, Schipper M, Smithard J, Jung G, et al.
J Acoust Soc Am . 2023 Feb; 153(1):7. PMID: 36732278
This work describes a 35.9 kHz ultrasonic transducer that incorporates a magnetic arrangement to apply a static-compressive prestress to a d-mode relaxor ferroelectric single crystal drive-element. The magnetic arrangement produces...
3.
Finkel P, Cain M, Mion T, Staruch M, Kolacz J, Mantri S, et al.
Adv Mater . 2021 Nov; 34(7):e2106827. PMID: 34773926
Electrical switching of ferroelectric domains and subsequent domain wall motion promotes strong piezoelectric activity, however, light scatters at refractive index discontinuities such as those found at domain wall boundaries. Thus,...
4.
Hu C, Meng X, Zhang M, Tian H, Daniels J, Tan P, et al.
Sci Adv . 2020 Apr; 6(13):eaay5979. PMID: 32258401
Electromechanical coupling in piezoelectric materials allows direct conversion of electrical energy into mechanical energy and vice versa. Here, we demonstrate lead-free (K Na )NbO single crystals with an ultrahigh large-signal...
5.
Mantri S, Daniels J
IEEE Trans Ultrason Ferroelectr Freq Control . 2018 Jul; 65(9):1517-1524. PMID: 29993631
Domain mobility is understood to have a significant impact on ferroelectric material properties. Grain boundaries are known to inhibit ferroelectric domain wall mobility, thereby limiting the properties of polycrystalline ferroelectrics....
6.
Simons H, Haugen A, Jakobsen A, Schmidt S, Stohr F, Majkut M, et al.
Nat Mater . 2018 Jun; 17(9):814-819. PMID: 29941920
The characteristic functionality of ferroelectric materials is due to the symmetry of their crystalline structure. As such, ferroelectrics lend themselves to design approaches that manipulate this structural symmetry by introducing...
7.
Franzbach D, Seo Y, Studer A, Zhang Y, Glaum J, Daniels J, et al.
Sci Technol Adv Mater . 2016 Nov; 15(1):015010. PMID: 27877652
The strain- and polarization-electric field behavior was characterized at room temperature for PbBa(Zr Ti )NbO, 0.40 ⩽ ⩽ 0.60. The investigated compositions were located in the vicinity of the morphotropic...
8.
Hossain M, Wang L, Wang Z, Khansur N, Hinterstein M, Kimpton J, et al.
J Synchrotron Radiat . 2016 May; 23(Pt 3):694-9. PMID: 27140148
When studying electro-mechanical materials, observing the structural changes during the actuation process is necessary for gaining a complete picture of the structure-property relationship as certain mechanisms may be meta-stable during...
9.
Daniels J, Majkut M, Cao Q, Schmidt S, Wright J, Jo W, et al.
Sci Rep . 2016 Mar; 6:22820. PMID: 26955960
Understanding coupling of ferroic properties over grain boundaries and within clusters of grains in polycrystalline materials is hindered due to a lack of direct experimental methods to probe the behaviour...
10.
Xu W, Birbilis N, Sha G, Wang Y, Daniels J, Xiao Y, et al.
Nat Mater . 2015 Oct; 14(12):1229-35. PMID: 26480229
Ultra-lightweight alloys with high strength, ductility and corrosion resistance are desirable for applications in the automotive, aerospace, defence, biomedical, sporting and electronic goods sectors. Ductility and corrosion resistance are generally...