Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films
A new lanthanum and manganese ethylenediaminetetraacetate (EDTA) coordination polymer (EDTA<sup>4− </sup>= [(CH<sub>2</sub>N)<sub>2</sub>(CH<sub>2</sub>-COOH)(CH<sub>2</sub>COO)<sub>4</sub>]) was synthesized from La(NO<sub>...
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doaj-a61075f2bacb4538941a19f980dbf7c62020-11-25T03:41:59ZengMDPI AGCrystals2073-43522020-09-011085185110.3390/cryst10090851Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin FilmsRamona Bianca Sonher0Richard Attila Varga1Mircea Nasui2Traian Petrisor Jr3Mihai Sebastian Gabor4Marin Senila5Alessandro Rufoloni6Traian Petrisor7Lelia Ciontea8Centre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaFaculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Arany Janos 11, 400028 Cluj-Napoca, RomaniaCentre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaCentre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaCentre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaNational Institute for Research and Development of Optoelectronics Bucharest, Research Institute for Analytical Instrumentation, Donath 67, 400028 Cluj-Napoca, RomaniaENEA Frascati Research Centre, 00044 Frascati, ItalyCentre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaCentre for Superconductivity, Spintronics and Surface Science, Physics and Chemistry Department, Technical University of Cluj-Napoca, Str. Memorandumului No. 28, 400028 Cluj-Napoca, RomaniaA new lanthanum and manganese ethylenediaminetetraacetate (EDTA) coordination polymer (EDTA<sup>4− </sup>= [(CH<sub>2</sub>N)<sub>2</sub>(CH<sub>2</sub>-COOH)(CH<sub>2</sub>COO)<sub>4</sub>]) was synthesized from La(NO<sub>3</sub>)<sub>3</sub> and Mn(NO<sub>3</sub>)<sub>2</sub> reagents, ethylenediaminetetraacetic acid, and water at room temperature. The structure of the new compound formed, [{La<sub>2</sub>Mn<sub>3</sub>(EDTA)<sub>3</sub>(H<sub>2</sub>O)<sub>11</sub>}·12H<sub>2</sub>O]<sub>n</sub>, was determined by the single crystal X-ray diffraction technique. The synthesis and characterization of the La(III) and Mn(II) coordination complex, characterized by FTIR spectroscopy, thermogravimetry, and differential thermal analysis of the complex, are envisaged. X-ray crystal structure determination indicates that seven- and four-coordinate modes between La(III)/Mn(Π) and H<sub>4</sub>EDTA exist. [{La<sub>2</sub>Mn<sub>3</sub>(EDTA)<sub>3</sub>(H<sub>2</sub>O)<sub>11</sub>}·12H<sub>2</sub>O]<sub>n </sub>crystallizes in the monoclinic space group <i>C2</i> with unit cell parameters of <i>a</i> = 16.1227(17) Å, <i>b</i> = 14.8049(16) Å, <i>c</i> = 14.8736(16) Å, and <i>β</i> = 116.107(2)°. Using this precursor, LaMnO<sub>3</sub> (LMO) epitaxial thin films were grown by the polymer-assisted deposition (PAD) method on (100)SrTiO<sub>3</sub> (STO) single crystalline substrates at a temperature of 900 °C. The LMO crystallized films exhibit a (001)LMO/(001)STO out-of-plane epitaxial relationship and a smooth surface morphology.https://www.mdpi.com/2073-4352/10/9/851crystal structurethin filmsEDTAthermal analysis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ramona Bianca Sonher Richard Attila Varga Mircea Nasui Traian Petrisor Jr Mihai Sebastian Gabor Marin Senila Alessandro Rufoloni Traian Petrisor Lelia Ciontea |
spellingShingle |
Ramona Bianca Sonher Richard Attila Varga Mircea Nasui Traian Petrisor Jr Mihai Sebastian Gabor Marin Senila Alessandro Rufoloni Traian Petrisor Lelia Ciontea Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films Crystals crystal structure thin films EDTA thermal analysis |
author_facet |
Ramona Bianca Sonher Richard Attila Varga Mircea Nasui Traian Petrisor Jr Mihai Sebastian Gabor Marin Senila Alessandro Rufoloni Traian Petrisor Lelia Ciontea |
author_sort |
Ramona Bianca Sonher |
title |
Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films |
title_short |
Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films |
title_full |
Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films |
title_fullStr |
Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films |
title_full_unstemmed |
Single Source Precursor for PAD-LaMnO<sub>3</sub> Thin Films |
title_sort |
single source precursor for pad-lamno<sub>3</sub> thin films |
publisher |
MDPI AG |
series |
Crystals |
issn |
2073-4352 |
publishDate |
2020-09-01 |
description |
A new lanthanum and manganese ethylenediaminetetraacetate (EDTA) coordination polymer (EDTA<sup>4− </sup>= [(CH<sub>2</sub>N)<sub>2</sub>(CH<sub>2</sub>-COOH)(CH<sub>2</sub>COO)<sub>4</sub>]) was synthesized from La(NO<sub>3</sub>)<sub>3</sub> and Mn(NO<sub>3</sub>)<sub>2</sub> reagents, ethylenediaminetetraacetic acid, and water at room temperature. The structure of the new compound formed, [{La<sub>2</sub>Mn<sub>3</sub>(EDTA)<sub>3</sub>(H<sub>2</sub>O)<sub>11</sub>}·12H<sub>2</sub>O]<sub>n</sub>, was determined by the single crystal X-ray diffraction technique. The synthesis and characterization of the La(III) and Mn(II) coordination complex, characterized by FTIR spectroscopy, thermogravimetry, and differential thermal analysis of the complex, are envisaged. X-ray crystal structure determination indicates that seven- and four-coordinate modes between La(III)/Mn(Π) and H<sub>4</sub>EDTA exist. [{La<sub>2</sub>Mn<sub>3</sub>(EDTA)<sub>3</sub>(H<sub>2</sub>O)<sub>11</sub>}·12H<sub>2</sub>O]<sub>n </sub>crystallizes in the monoclinic space group <i>C2</i> with unit cell parameters of <i>a</i> = 16.1227(17) Å, <i>b</i> = 14.8049(16) Å, <i>c</i> = 14.8736(16) Å, and <i>β</i> = 116.107(2)°. Using this precursor, LaMnO<sub>3</sub> (LMO) epitaxial thin films were grown by the polymer-assisted deposition (PAD) method on (100)SrTiO<sub>3</sub> (STO) single crystalline substrates at a temperature of 900 °C. The LMO crystallized films exhibit a (001)LMO/(001)STO out-of-plane epitaxial relationship and a smooth surface morphology. |
topic |
crystal structure thin films EDTA thermal analysis |
url |
https://www.mdpi.com/2073-4352/10/9/851 |
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