Tag: AFM cantilever

Determination of polarization states in (K,Na)NbO3 lead-free piezoelectric crystal

In the article “Determination of polarization states in (K,Na)NbO3lead-free piezoelectric crystal” Mao-Hua Zhang, Chengpeng Hu, Zhen Zhou, Hao Tian, Hao-Cheng Thong, Yi Xuan Liu, Xing-Yu Xu, Xiao-Qing Xi, Jing-Feng Li and Ke Wang describe how polarization switching in lead-free (K0.40Na0.60)NbO3 (KNN) single crystals was studied by switching spectroscopy piezoresponse force microscopy (SS-PFM).*

Acquisition of multiple hysteresis loops on a closely spaced square grid enables polarization switching parameters to be mapped in real space. Piezoresponse amplitude and phase hysteresis loops show collective symmetric/asymmetric characteristics, affording information regarding the switching behavior of different domains. As such, the out-of-plane polarization states of the domains, including amplitudes and phases can be determined.*

The results presented by the authors could contribute to a further understanding of the relationships between polarization switching and polarization vectors at the nanoscale, and provide a feasible method to correlate the polarization hysteresis loops in a domain under an electric field with the polarization vector states.*

PFM and SS-PFM were implemented on a commercial Atomic Force Microscope using NanoWorld PlatinumIridium coated Pointprobe® EFM AFM probes.

Fig. 1 from “Determination of polarization states in (K,Na)NbO3lead-free piezoelectric crystal” by Mao-Hua Zhang et al: PFM imaging and a schematic of tip movement during SS-PFM mapping. (a) Piezoresponse amplitude and (b) phase contrast images of the KNN single crystals. (c) In SS-PFM, local hysteresis loops are collected using a waveform at each pointon 25 × 25 mesh. The domain wall shown in Fig. 1(b) orients along [001]c.
Fig. 1 from “Determination of polarization states in (K,Na)NbO3lead-free piezoelectric crystal” by Mao-Hua Zhang et al:

*Mao-Hua Zhang, Chengpeng Hu, Zhen Zhou, Hao Tian, Hao-Cheng Thong, Yi Xuan Liu, Xing-Yu Xu, Xiao-Qing Xi, Jing-Feng Li, Ke Wang
Determination of polarization states in (K,Na)NbO3lead-free piezoelectric crystal
Journal of Advanced Ceramics2020, 9(2): 204–209
DOI: https://doi.org/10.1007/s40145-020-0360-2

Please follow this external link to read the full article: https://link.springer.com/content/pdf/10.1007/s40145-020-0360-2.pdf

Open Access The article “Determination of polarization states in (K,Na)NbO3lead-free piezoelectric crystal” Mao-Hua Zhang, Chengpeng Hu, Zhen Zhou, Hao Tian, Hao-Cheng Thong, Yi Xuan Liu, Xing-Yu Xu, Xiao-Qing Xi, Jing-Feng Li and Ke Wang is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

We’re at the Biophysical Society Meeting in San Diego this week

We’re at NanoAndMore USA booth no. 818 at the Biophysical Society Meeting in San Diego this week. Have you already visited us and found out what’s up with the giant AFM probe at the booth?

Finally we can exhibit something you can see with your bare eyes. Check out our big and even bigger AFM probe models at NanoAndMore USA booth no. 818 at the Biophysical Society exibit

More papers on High Speed Atomic Force Microscopy – list of references updated

We have updated our list of articles in the field of High-Speed AFM (HS-AFM) on the www.highspeedscanning.com website. If you would like to see what has been going on recently in the field of High-Speed AFM (HS-AFM) then you are welcome to have a look at: http://www.highspeedscanning.com/hs-afm-references.html

We are aware that this list is far from complete so if you have used one of our Ultra-Short Cantilevers (USC) for high speed atomic force microscopy in the research for your publication and your article isn’t listed yet then please let us know. We will be happy to add it to the list.

NanoWorld Ultra-Short Cantilevers (USC) for High-Speed AFM (HS-AFM)
NanoWorld Ultra-Short Cantilevers (USC) for High-Speed AFM (HS-AFM)