H. Bushra Munir, A. Afaq, Abdelaziz Gassoumi, Muhammad Ahmed, Abu Bakar
{"title":"A DFT study to explore structural, elastic, mechanical, phonon, electronic and optical properties of halide perovskites \u0000 \u0000 \u0000 \u0000 \u0000 AgXF\u0000 \u0000 \u0000 3\u0000 \u0000 \u0000 (\u0000 X\u0000 =\u0000 Be\u0000 ,\u0000 Ca\u0000 )\u0000 \u0000 $$ {mathrm{AgXF}}_3left(mathrm{X}=mathrm{Be},mathrm{Ca}right) $$\u0000 with PBEsol, TB-mBJ and SCAN functionals","authors":"H. Bushra Munir, A. Afaq, Abdelaziz Gassoumi, Muhammad Ahmed, Abu Bakar","doi":"10.1002/qua.27447","DOIUrl":"https://doi.org/10.1002/qua.27447","url":null,"abstract":"<p>First principles calculations have been performed using full potential linearized augmented plane wave, FP-LAPW, within Wien2k to elucidate structural, elastic, mechanical, phonon, electronic and optical properties of lead free halide perovskites <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mtext>AgXF</mtext>\u0000 </mrow>\u0000 <mrow>\u0000 <mn>3</mn>\u0000 </mrow>\u0000 </msub>\u0000 <mo>(</mo>\u0000 <mi>X</mi>\u0000 <mo>=</mo>\u0000 <mi>Be</mi>\u0000 <mo>,</mo>\u0000 <mi>Ca</mi>\u0000 <mo>)</mo>\u0000 </mrow>\u0000 <annotation>$$ {mathrm{AgXF}}_3left(mathrm{X}=mathrm{Be},mathrm{Ca}right) $$</annotation>\u0000 </semantics></math>. The energy volume curve fitting is used to examine structural stability. For structural optimization and mechanical properties, we employed Perdew–Burke–Ernzerhof generalized gradient approximation and PBEsol, revised for solids, exchange and correlation functional. The optimized lattice constant of <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mtext>AgBeF</mtext>\u0000 </mrow>\u0000 <mrow>\u0000 <mn>3</mn>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathrm{AgBeF}}_3 $$</annotation>\u0000 </semantics></math> and <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mtext>AgCaF</mtext>\u0000 </mrow>\u0000 <mrow>\u0000 <mn>3</mn>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathrm{AgCaF}}_3 $$</annotation>\u0000 </semantics></math> is 3.631 and 4.349Å. The elastic constant <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mtext>C</mtext>\u0000 </mrow>\u0000 <mrow>\u0000 <mn>11</mn>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathrm{C}}_{11} $$</annotation>\u0000 </semantics></math>, <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mtext>C</mtext>\u0000 </mrow>\u0000 <mrow>\u0000 <mn>12</mn>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathrm{C}}_{12} $$</annotation>\u0000 </semantics></math> and <span></sp","PeriodicalId":182,"journal":{"name":"International Journal of Quantum Chemistry","volume":"124 15","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141639510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0