najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2022-13-2-181-191najo-229Research ArticleСтатьиSynthesis, characterization and electrical properties of the nanosized perovskite LaFeO3AshgarMuhammad Irfanirfanmeo1@gmail.comShahidMuhammad Kashifmkbutt2000@gmail.comNawazMuhammad Haqhaqn5656@gmail.comIdreesMuhammadmidrees@cuilahore.edu.pkAsifMuhammadasif81292@yahoo.comAliAhsanahsanali23654@gmail.comCOMSATS University IslamabadRussian FederationChungnam National UniversityRussian FederationUniversity of GujratRussian FederationUniversity of Engineering and Technology LahoreRussian FederationUniversity of LeedsRussian Federation202206062025132181191Copyright © Ashgar M.I., Shahid M.K., Nawaz M.H., Idrees M., Asif M., Ali A., 20252025Ashgar M.I., Shahid M.K., Nawaz M.H., Idrees M., Asif M., Ali A.Ashgar M.I., Shahid M.K., Nawaz M.H., Idrees M., Asif M., Ali A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/229

Single-phase highly crystalline LaFeO3 is synthesized by autocombustion of the gel complex obtained from citrate and metal nitrate precursors. The XRD analysis exhibited the transformation of amorphous phases of La2O3 and Fe2O3 into highly crystalline LaFeO3 at 1000 ◦C. The agglomerated semi spherical morphology is observed. The average particle size of sintered pellets at 1000 ◦C for 4 h, 8, 12, and 16 h heating time is found 105, 130, 160 and 200 nm, respectively. TGA analysis revealed 27% weight lost due to the decomposition of La(OH)3 and Fe(OH)3 into La2O3, Fe2O3 , and LaFeO3. Electrical properties of LaFeO3 were found to be dependent on micro-structural heterogeneities i.e., grain and grain boundaries. Two probe DC resistivity exhibited decrease in resistance with increasing heat treatment and time. The outcomes of this study confirmed the potential applications of perovskite-type LaFeO3 in energy and environmental sectors.

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The authors declare that there are no conflicts of interest present.