{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T22:54:42Z","timestamp":1772837682462,"version":"3.50.1"},"reference-count":22,"publisher":"World Scientific Pub Co Pte Ltd","issue":"02","funder":[{"DOI":"10.13039\/501100002261","name":"Russian Foundation for Basic Research","doi-asserted-by":"publisher","award":["#17-58-45026 IND_a"],"award-info":[{"award-number":["#17-58-45026 IND_a"]}],"id":[{"id":"10.13039\/501100002261","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001409","name":"Department of Science and Technology, Ministry of Science and Technology","doi-asserted-by":"publisher","award":["INT\/RUS\/RFBR\/P-299"],"award-info":[{"award-number":["INT\/RUS\/RFBR\/P-299"]}],"id":[{"id":"10.13039\/501100001409","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Adv. Dielect."],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:p> In this research paper, we utilized the traditional high-temperature solid-state reaction method to fabricate the K[Formula: see text]Na[Formula: see text]NbO<jats:sub>3<\/jats:sub>, K[Formula: see text]Na[Formula: see text]NbO<jats:sub>3<\/jats:sub> and K[Formula: see text]Na[Formula: see text]NbO<jats:sub>3<\/jats:sub> (abbreviated as KNN-1, KNN-2, and KNN-3, respectively) lead-free ion deficient ceramics for understanding the influence of ionic deficiency on the\u00a0crystalline\u00a0structure and dielectric\/piezoelectric properties of the samples. X-ray diffraction patterns of these samples exhibited a perovskite tetragonal phase. Dielectric anomalies around 287<jats:sup>\u2218<\/jats:sup>C and 471<jats:sup>\u2218<\/jats:sup>C were identified as ferroelectric to ferroelectric and ferroelectric to paraelectric-transition temperatures for KNN-2 at 1[Formula: see text]kHz. It was found that the composition KNN-2 exhibit relatively high Curie temperature i.e., 471<jats:sup>\u2218<\/jats:sup>C.\u00a0The conductivity plots confirm that the activation energies are frequency-dependent. The impedance behavior in our ceramic samples can be analyzed with the bulk\/grain effect. The slope of [Formula: see text] with temperature shows negative temperature coefficient of resistance (NTCR) type behavior in proposed KNN ceramics material. <\/jats:p>","DOI":"10.1142\/s2010135x19500164","type":"journal-article","created":{"date-parts":[[2019,3,26]],"date-time":"2019-03-26T21:30:26Z","timestamp":1553635826000},"page":"1950016","source":"Crossref","is-referenced-by-count":17,"title":["Comprehensive investigation of structural, dielectric and local piezoelectric properties of KNN ceramics"],"prefix":"10.1142","volume":"09","author":[{"given":"Poonam","family":"Kumari","sequence":"first","affiliation":[{"name":"Department of Physics, ACBS, Eternal University, Baru Sahib 173101, Himachal Pradesh, India"}]},{"given":"Madan","family":"Lal","sequence":"additional","affiliation":[{"name":"Department of Physics, ACBS, Eternal University, Baru Sahib 173101, Himachal Pradesh, India"}]},{"given":"Sunil","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Physics, Guru Nanak Dev University, Amritsar 143005, India"}]},{"given":"Radheshyam","family":"Rai","sequence":"additional","affiliation":[{"name":"Department of Physics, ACBS, Eternal University, Baru Sahib 173101, Himachal Pradesh, India"}]},{"given":"Anupinder","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Physics, Guru Nanak Dev University, Amritsar 143005, India"}]},{"given":"D.\u00a0V.","family":"Karpinsky","sequence":"additional","affiliation":[{"name":"Scientific-Practical Materials Research Centre of NAS of Belarus, Minsk 220072, Belarus, India"},{"name":"National Research University of Electronic Technology \u201cMIET\u201d, Zelenograd 124498, Moscow, Russia"}]},{"given":"Igor","family":"Bdikin","sequence":"additional","affiliation":[{"name":"TEMA-NRD, Mechanical Engineering Department and Aveiro, Institute of Nanotechnology (AIN), University of Aveiro, Aveiro 3810-193, Portugal"}]}],"member":"219","published-online":{"date-parts":[[2019,5,15]]},"reference":[{"key":"S2010135X19500164BIB001","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-811166-6.00019-4"},{"key":"S2010135X19500164BIB002","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmat.2018.02.001"},{"key":"S2010135X19500164BIB003","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.7b02263"},{"key":"S2010135X19500164BIB004","doi-asserted-by":"publisher","DOI":"10.1016\/j.actamat.2016.11.064"},{"key":"S2010135X19500164BIB005","doi-asserted-by":"publisher","DOI":"10.1142\/S2010135X17500254"},{"key":"S2010135X19500164BIB006","doi-asserted-by":"publisher","DOI":"10.1063\/1.4996353"},{"key":"S2010135X19500164BIB007","doi-asserted-by":"publisher","DOI":"10.1016\/j.matdes.2017.07.063"},{"key":"S2010135X19500164BIB008","doi-asserted-by":"publisher","DOI":"10.1021\/acs.nanolett.7b03030"},{"key":"S2010135X19500164BIB009","doi-asserted-by":"publisher","DOI":"10.1038\/nmat4799"},{"key":"S2010135X19500164BIB010","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201602327"},{"key":"S2010135X19500164BIB011","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201601859"},{"key":"S2010135X19500164BIB012","doi-asserted-by":"publisher","DOI":"10.1111\/j.1551-2916.2007.01629.x"},{"key":"S2010135X19500164BIB013","doi-asserted-by":"publisher","DOI":"10.1088\/0022-3727\/42\/21\/215304"},{"key":"S2010135X19500164BIB014","doi-asserted-by":"publisher","DOI":"10.1063\/1.1534412"},{"key":"S2010135X19500164BIB015","doi-asserted-by":"publisher","DOI":"10.1016\/j.tsf.2014.04.007"},{"issue":"1","key":"S2010135X19500164BIB016","first-page":"10","volume":"4","author":"Kumar S.","year":"2016","journal-title":"J. Integr. Sci. Technol."},{"key":"S2010135X19500164BIB017","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.61.9393"},{"key":"S2010135X19500164BIB018","doi-asserted-by":"publisher","DOI":"10.1016\/j.jallcom.2018.06.071"},{"key":"S2010135X19500164BIB019","doi-asserted-by":"publisher","DOI":"10.1002\/adma.19900020304"},{"key":"S2010135X19500164BIB020","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpcs.2009.08.015"},{"key":"S2010135X19500164BIB021","doi-asserted-by":"publisher","DOI":"10.1016\/j.jallcom.2015.02.149"},{"key":"S2010135X19500164BIB022","doi-asserted-by":"publisher","DOI":"10.1080\/00150193.2013.821914"}],"container-title":["Journal of Advanced Dielectrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.worldscientific.com\/doi\/pdf\/10.1142\/S2010135X19500164","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,9,20]],"date-time":"2019-09-20T16:44:34Z","timestamp":1568997874000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.worldscientific.com\/doi\/abs\/10.1142\/S2010135X19500164"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,4]]},"references-count":22,"journal-issue":{"issue":"02","published-online":{"date-parts":[[2019,5,15]]},"published-print":{"date-parts":[[2019,4]]}},"alternative-id":["10.1142\/S2010135X19500164"],"URL":"https:\/\/doi.org\/10.1142\/s2010135x19500164","relation":{},"ISSN":["2010-135X","2010-1368"],"issn-type":[{"value":"2010-135X","type":"print"},{"value":"2010-1368","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,4]]}}}