Editing Piezoelectricity (section)

===Other materials===
Most materials exhibit at least weak piezoelectric responses. Trivial examples include [[sucrose]] (table sugar), [[DNA]], viral proteins, including those from [[bacteriophage]].<ref>{{cite journal|last1=Lee|first1=B. Y.|last2=Zhang |first2=J. |last3=Zueger |first3=C. |last4=Chung |first4=W. J. |last5=Yoo |first5=S. Y. |last6=Wang |first6=E. |last7=Meyer |first7=J. |last8=Ramesh |first8=R. |last9= Lee |first9=S. W. |title=Virus-based piezoelectric energy generation|journal=Nature Nanotechnology|date=2012-05-13|pmid=22581406|doi=10.1038/nnano.2012.69|volume=7|issue=6|pages=351–356|bibcode = 2012NatNa...7..351L }}</ref><ref>{{cite journal |title=Stable and Optoelectronic Dipeptide Assemblies for Power Harvesting |first1=Kai |last1=Tao |last2=et |first2=al |journal=Materials Today |volume=30 |pages=10–16 |doi=10.1016/j.mattod.2019.04.002 |pmid=31719792 |pmc=6850901 |year=2019 }}</ref> An actuator based on wood fibers, called [[cellulose fiber]]s, has been reported.<ref name=":1" /> D33 responses for cellular polypropylene are around 200 pC/N. Some applications of cellular polypropylene are musical key pads, microphones, and ultrasound-based echolocation systems.<ref name=":0" /> Recently, single amino acid such as β-glycine also displayed high piezoelectric (178 pmV<sup>−1</sup>) as compared to other biological materials.<ref>{{Cite journal|last1=Guerin|first1=Sarah|last2=Stapleton|first2=Aimee|last3=Chovan|first3=Drahomir|last4=Mouras|first4=Rabah|last5=Gleeson|first5=Matthew|last6=McKeown|first6=Cian|last7=Noor|first7=Mohamed Radzi|last8=Silien|first8=Christophe|last9=Rhen|first9=Fernando M. F.|last10=Kholkin|first10=Andrei L.|last11=Liu|first11=Ning|date=February 2018|title=Control of piezoelectricity in amino acids by supramolecular packing |journal=Nature Materials|language=en|volume=17|issue=2|pages=180–186|doi=10.1038/nmat5045|pmid=29200197 }}</ref>

[[Ionic liquid]]s were recently identified as the first piezoelectric liquid.<ref>{{cite news |last1=Choi |first1=Charles Q. |title=Liquid Salts Bring Push-button Lenses Into Focus – IEEE Spectrum |url=https://spectrum.ieee.org/piezoelectric-liquid |access-date=13 April 2023 |work=[[IEEE Spectrum]] |date=25 March 2023 |language=en}}</ref>