Abstract
The thermal decomposition of Dy(III), Tb(III), Gd(III), Eu(III), and Sm(III) propionate monohydrates was studied in argon by means of simultaneous differential thermal analysis and thermogravimetry, infrared-spectroscopy, X-ray diffraction, and optical microscopy. After dehydration, which takes place below 120 °C, all salts decompose into dioxycarbonates with simultaneous release of CO2 and C2H5COC2H5 (3-pentanone) between 250 and 460 °C. However, whereas the anhydrous Dy-, Tb-, and Gd-propionates appear to transform into RE2O2CO3 (rare earth [RE] = Dy, Tb, Gd) in a single step, an intermediate stage involving a RE2O(C2H5CO2)4 composition was evidenced in the case of the Eu- and Sm-propionates. For all compounds, further decomposition of RE2O2CO3 into the corresponding sesquioxides (RE2O3) is accompanied by the release of CO2. The thermal decomposition of Dy- and Tb-propionates occurs entirely in the solid state. In contrast the dehydrated Gd-, Eu-, and Sm-propionates melt at increasingly higher temperatures. Evidence for recrystallization was found in conjunction with the onset of decomposition of these three propionates.
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References
Hu JD, Li YX, Zhou XZ, Cai MX. Preparation and characterization of ceria nanoparticles using crystalline hydrate cerium propionate as precursor. Mater Lett. 2007;61:4989–92.
Chen W, Tong Y, Liu Y, Liu M, Lin Y, Gong B, Cai Z, Zhong X. Facile synthesis and luminescent properties of Y2O3:Eu3+ nanophosphors via thermal decomposition of cocrystallized yttrium europium propionates. Ceram Int. 2013;39:3741–5.
Ciontea L, Nasui M, Petrisor T Jr, Mos RB, Gabor MS, Varga RA, Petrisor T. Synthesis, crystal structure and thermal decomposition of [La2(CH3CH2COO)6·(H2O)3]·3.5H2O precursor for high-k La2O3 thin films deposition. Mater Res Bull. 2010;45:1203–8.
Lee SG, Han TS. High-Tc YBa2Cu3O7−δ thin films fabricated from a stable acetate solution precursor. J Korean Phys Soc. 1997;31:406–9.
Matsubara I, Paranthaman M, Chirayil TG, Sun EY, Martin PM, Kroeger DM, Verebelyi DT, Christen DK. Preparation of epitaxial YbBa2Cu3O7−δ on SrTiO3 single crystal substrates using a solution process. Jpn J Appl Phys. 1999;38:L727–30.
Lee HY, Kim SI, Lee YC, Hong YP, Park YH, Ko KH. New chemical route for YBCO thin films. IEEE Trans Appl Supercond. 2003;13:2743–66.
Angrisani Armenio A, Augieri A, Ciontea L, Contini G, Davoli I, Galluzzi V, Mancini A, Rufoloni A, Petrisor T, Vannozzi A, Celentano G. Characterization of epitaxial YBa2Cu3O7−δ films deposited by metal propionate precursor solution. Supercond Sci Technol. 2008;21:125015.
Ciontea L, Angrisani A, Celentano G, Petrisor T Jr, Rufoloni T, Vannozzi A, Augieri A, Galuzzi V, Mancini A, Petrisor T. Metal propionate synthesis of epitaxial YBa2Cu3O7−x films. J Phys Conf Ser. 2008;97:012302.
Angrisani Armenio A, Celentano G, Rufoloni A, Vannozzi A, Augieri A, Galluzzi V, Mancini A, Ciontea L, Petrisor T, Contini G, Davoli I. Deposition and characterisation of metal propionate derived epitaxial YBa2Cu3O7−x films for coated conductor fabrication. IEEE Trans Appl Supercond. 2009;19:3204–7.
Knoth K, Schlobach B, Hühne R, Schultz L, Holzapfel B. La2Zr2O7 and Ce–Gd–O buffer layers for YBCO coated conductors using chemical solution deposition. Physica C. 2005;426–431:979–84.
Hassini A, Pomar A, Ruyter A, Roma N, Puig T, Obradors X. Conducting La0.7Sr0.3MnO3-superconducting YBaCu3O7 epitaxial bilayers grown by chemical solution deposition. Physica C. 2007;460–462:1357–8.
Chen HS, Kumar RV, Glowacki BA. Study on chemical-solution-deposited lanthanum zirconium oxide film based on the Taguchi method. J Sol-Gel Sci Technol. 2009;51:102–11.
Zhao Y, Suo HL, Grivel JC, Ye S, Liu M, Zhou ML. Study on CexLa1−xO2 buffer layer used in coated conductors by chemical solution method. J Inorg Mater. 2009;24:1201–4.
Zhao Y, Konstantopoulou K, Wulff AC, Tang X, Tian H, Suo HL, Pastor JY, Grivel JC. Development of one meter long double-sided CeO2 buffered Ni–5at.% W templates by reel-to-reel chemical solution deposition route. IEEE Trans Appl Supercond. 2013;23:6600104.
Ogawa M, Manabe K. Formation of dilanthanide monoxide tetrapropionate by thermal decomposition of propionate monohydrate of rare-earth elements (La, Ce, Pr, Nd). Nippon Kagaku Kaishi. 1993;5:617–22.
Kaddouri A, Mazzocchia CJ. Thermoanalytic study of some metal propionates synthesised by sol–gel route: a kinetic and thermodynamic study. J Anal Appl Pyrolysis. 2002;65:253–67.
Grivel JC. Thermal decomposition of Ln(C2H5CO2)3·H2O (Ln = Ho, Er, Tm and Yb). J Therm Anal Calorim. 2012;109:81–8.
Grivel JC. Thermal decomposition of lutetium propionate. J Anal Appl Pyrolysis. 2010;89:250–4.
Grivel JC. Thermal decomposition of yttrium(III) propionate and butyrate. J Anal Appl Pyrolysis. 2013;101:185–92.
Nasui M, Bogatan (Pop) C, Ciontea L, Petrisor T. Synthesis, crystal structure modeling and thermal decomposition of yttrium propionate [Y2(CH3CH2COO)6·H2O]·3.5H2O. J Anal Appl Pyrolysis. 2012;97:88–93.
Zhao Y, Grivel JC, Liu M, Suo HL. Surface engineering of biaxial Gd2Zr2O7 thin films deposited on Ni–5 at% W substrates by a chemical solution deposition method. CrystEngComm. 2012;14:3089–95.
Zhao Y, Grivel JC, Napari M, Pavlopoulos D, Bednarčík J, von Zimmermann M. Highly textured Gd2Zr2O7 films grown on textured Ni–5 at.% W substrates by solution deposition route: growth, texture evolution, and microstructure dependency. Thin Solid Films. 2012;520:1965–72.
National Institute of Advanced Industrial Science and Technology. SDBSWeb. http://sdbs.riodb.aist.go.jp. Accessed June 2013.
Nadzharyan K, Mlynskaya V, Magunov R. LiC2H5COO–Y(C2H5COO)3–H2O system at 25 °C. Russ J Inorg Chem (Engl Transl). 1984;29:1797–9.
Turcotte RP, Sawyer JO, Eyring L. On the rare earth dioxymonocarbonates and their decomposition. Inorg Chem. 1969;8:238–46.
McDevitt NT, Baun WL. Infrared absorption study of metal oxides in the low frequency region (700–240 cm−1). Spectrochim Acta. 1964;20:799–808.
Masuda Y. Thermal decomposition of formates. Part IX. Thermal decomposition of rare earth formate anhydrides. Thermochim Acta. 1983;67:271–85.
Ogawa M, Manabe K. Thermal decomposition of samarium(III) acetate tetrahydrate. Nippon Kagaku Kaishi. 1993;5:600–4.
Gobert-Ranchoux E, Charbonnier F. Comportement thermique des propionates hydrates de calcium, strontium et barium. J Therm Anal. 1977;12:33–42.
Barnes PA, Stephenson G, Warrington SB. The use of TA–GLC–MS as a quantitative specific EGA technique for the investigation of complex thermal decomposition reactions: the thermal decomposition of calcium propanoate. J Therm Anal. 1982;25:299–311.
Skoršepa J, Godočíkova E, Černák J. Comparison on thermal decomposition of propionate, benzoate and their chloroderivative salts of Zn(II). J Therm Anal Calorim. 2004;75:773–80.
Mos RB, Nasui M, Petrisor T Jr, Gabor MS, Varga RA, Ciontea L. Synthesis, crystal structure and thermal decomposition of Zr6O4(OH)4(CH3CH2COO)12. J Anal Appl Pyrolysis. 2012;97:137–42.
Nasui M, Mos RB, Petrisor T Jr, Gabor MS, Varga RA, Ciontea L, Petrisor T. Synthesis, crystal structure and thermal decomposition of a new copper propionate [Cu(CH3CH2COO)2]·2H2O. J Anal Appl Pyrolysis. 2011;92:439–44.
Hussein GAM, Kroenke WJ, Goda B, Miyaji K. Formation of dysprosium oxide from the thermal decomposition of hydrated dysprosium acetate and oxalate. J Anal Appl Pyrolysis. 1997;39:35–51.
Hussein GAM. Formation, characterization, and catalytic activity of gadolinium oxide. Infrared spectroscopic studies. J Phys Chem. 1994;1994:9657–64.
Mahfouz RM, Monshi MAS, Abd El-Salm NM. Kinetics of the thermal decomposition of γ-irradiated gadolinium acetate. Thermochim Acta. 2002;383:95–101.
Mahfouz RM, Monshi MAS, Alshehri SM, Abd El-Salm NM. Isothermal decomposition of γ-irradiated samarium acetate. Radiat Phys Chem. 2000;59:381–5.
Mahfouz RM, Alshehri SM, Monshi MAS, Abd El-Salm NM. Isothermal decomposition of γ-irradiated dysprosium acetate. Radiat Eff Defects Solids. 2002;157:515–9.
Manabe K, Ogawa M. Thermal decomposition of terbium(III) acetate tetrahydrate. Nippon Kagaku Kaishi. 1982;4:694–6.
Ogawa M, Manabe K. Thermal decomposition of europium(III) acetate tetrahydrate. J Ceram Soc Jpn Int Ed. 1988;96:870–3.
Shaplygin IS, Komarov VP, Lazarev VB. A thermogravimetric study of praseodymium(III), neodymium, samarium, gadolinium and holmium acetates, benzoates and abietates. J Therm Anal. 1979;15:215–23.
Brzyska W, Ożga W. Thermal decomposition of rare earth element enanthates. J Therm Anal. 1994;41:849–58.
Grivel JC, Zhao Y, Tang X, Pallewatta PGPA, Watenphul A, Zimmermann Mv. Thermal decomposition of lanthanum(III) butyrate in argon atmosphere. Thermochim Acta. 2013;566:112–7.
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This study was supported by the Danish Agency for Science, Technology and Innovation under Contract number 09-065234.
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Grivel, JC. Thermal decomposition of RE(C2H5CO2)3·H2O (RE = Dy, Tb, Gd, Eu and Sm). J Therm Anal Calorim 115, 1253–1264 (2014). https://doi.org/10.1007/s10973-013-3467-7
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DOI: https://doi.org/10.1007/s10973-013-3467-7