Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions
In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of...
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| Autor*in: |
Zhao, Y [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Schlagwörter: |
critical current density (superconductivity) superconducting epitaxial layers |
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| Übergeordnetes Werk: |
Enthalten in: IEEE transactions on applied superconductivity - New York, NY : Inst., 1991, 25(2015), 3, Seite 1-4 |
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| Übergeordnetes Werk: |
volume:25 ; year:2015 ; number:3 ; pages:1-4 |
| Links: |
|---|
| DOI / URN: |
10.1109/TASC.2014.2360151 |
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| 245 | 1 | 0 | |a Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions |
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| 520 | |a In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. | ||
| 650 | 4 | |a Chemicals | |
| 650 | 4 | |a hexanoate-based precursors | |
| 650 | 4 | |a valerate-based precursors | |
| 650 | 4 | |a liquid phase epitaxial growth | |
| 650 | 4 | |a temperature 77 K | |
| 650 | 4 | |a fluorine-free solutions | |
| 650 | 4 | |a critical current density (superconductivity) | |
| 650 | 4 | |a LaAlO 3 | |
| 650 | 4 | |a Fluorine-free | |
| 650 | 4 | |a decomposition | |
| 650 | 4 | |a YBCO films | |
| 650 | 4 | |a pyrolysis | |
| 650 | 4 | |a butyrates | |
| 650 | 4 | |a X-ray scattering | |
| 650 | 4 | |a superconducting epitaxial layers | |
| 650 | 4 | |a carbonaceous residue | |
| 650 | 4 | |a Chemical solution method | |
| 650 | 4 | |a Films | |
| 650 | 4 | |a X-ray diffractometer | |
| 650 | 4 | |a sintering | |
| 650 | 4 | |a high-temperature superconductors | |
| 650 | 4 | |a barium compounds | |
| 650 | 4 | |a carboxylate solutions | |
| 650 | 4 | |a Carboxylate | |
| 650 | 4 | |a X-ray diffraction | |
| 650 | 4 | |a critical current density | |
| 650 | 4 | |a Yttrium barium copper oxide | |
| 650 | 4 | |a propionates | |
| 650 | 4 | |a epitaxial growth | |
| 650 | 4 | |a YBCO | |
| 650 | 4 | |a platelike grains | |
| 650 | 4 | |a yttrium compounds | |
| 650 | 4 | |a Superconducting films | |
| 650 | 4 | |a Thin films | |
| 650 | 4 | |a film morphology | |
| 650 | 4 | |a LaAlO 3 single-crystal substrates | |
| 700 | 1 | |a Torres, P |4 oth | |
| 700 | 1 | |a Norby, P |4 oth | |
| 700 | 1 | |a Wulff, A. C |4 oth | |
| 700 | 1 | |a Grivel, J.-C |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |t IEEE transactions on applied superconductivity |d New York, NY : Inst., 1991 |g 25(2015), 3, Seite 1-4 |w (DE-627)130969559 |w (DE-600)1070182-5 |w (DE-576)025189840 |x 1051-8223 |7 nnns |
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10.1109/TASC.2014.2360151 doi PQ20160617 (DE-627)OLC1958930555 (DE-599)GBVOLC1958930555 (PRQ)ieee_primary_0b00006482762d3d0 (KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing DE-627 ger DE-627 rakwb eng 530 620 DNB Zhao, Y verfasserin aut Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates Torres, P oth Norby, P oth Wulff, A. C oth Grivel, J.-C oth Enthalten in IEEE transactions on applied superconductivity New York, NY : Inst., 1991 25(2015), 3, Seite 1-4 (DE-627)130969559 (DE-600)1070182-5 (DE-576)025189840 1051-8223 nnns volume:25 year:2015 number:3 pages:1-4 http://dx.doi.org/10.1109/TASC.2014.2360151 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6911987 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_170 AR 25 2015 3 1-4 |
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10.1109/TASC.2014.2360151 doi PQ20160617 (DE-627)OLC1958930555 (DE-599)GBVOLC1958930555 (PRQ)ieee_primary_0b00006482762d3d0 (KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing DE-627 ger DE-627 rakwb eng 530 620 DNB Zhao, Y verfasserin aut Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates Torres, P oth Norby, P oth Wulff, A. C oth Grivel, J.-C oth Enthalten in IEEE transactions on applied superconductivity New York, NY : Inst., 1991 25(2015), 3, Seite 1-4 (DE-627)130969559 (DE-600)1070182-5 (DE-576)025189840 1051-8223 nnns volume:25 year:2015 number:3 pages:1-4 http://dx.doi.org/10.1109/TASC.2014.2360151 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6911987 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_170 AR 25 2015 3 1-4 |
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10.1109/TASC.2014.2360151 doi PQ20160617 (DE-627)OLC1958930555 (DE-599)GBVOLC1958930555 (PRQ)ieee_primary_0b00006482762d3d0 (KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing DE-627 ger DE-627 rakwb eng 530 620 DNB Zhao, Y verfasserin aut Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates Torres, P oth Norby, P oth Wulff, A. C oth Grivel, J.-C oth Enthalten in IEEE transactions on applied superconductivity New York, NY : Inst., 1991 25(2015), 3, Seite 1-4 (DE-627)130969559 (DE-600)1070182-5 (DE-576)025189840 1051-8223 nnns volume:25 year:2015 number:3 pages:1-4 http://dx.doi.org/10.1109/TASC.2014.2360151 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6911987 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_170 AR 25 2015 3 1-4 |
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10.1109/TASC.2014.2360151 doi PQ20160617 (DE-627)OLC1958930555 (DE-599)GBVOLC1958930555 (PRQ)ieee_primary_0b00006482762d3d0 (KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing DE-627 ger DE-627 rakwb eng 530 620 DNB Zhao, Y verfasserin aut Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates Torres, P oth Norby, P oth Wulff, A. C oth Grivel, J.-C oth Enthalten in IEEE transactions on applied superconductivity New York, NY : Inst., 1991 25(2015), 3, Seite 1-4 (DE-627)130969559 (DE-600)1070182-5 (DE-576)025189840 1051-8223 nnns volume:25 year:2015 number:3 pages:1-4 http://dx.doi.org/10.1109/TASC.2014.2360151 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6911987 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_170 AR 25 2015 3 1-4 |
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10.1109/TASC.2014.2360151 doi PQ20160617 (DE-627)OLC1958930555 (DE-599)GBVOLC1958930555 (PRQ)ieee_primary_0b00006482762d3d0 (KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing DE-627 ger DE-627 rakwb eng 530 620 DNB Zhao, Y verfasserin aut Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates Torres, P oth Norby, P oth Wulff, A. C oth Grivel, J.-C oth Enthalten in IEEE transactions on applied superconductivity New York, NY : Inst., 1991 25(2015), 3, Seite 1-4 (DE-627)130969559 (DE-600)1070182-5 (DE-576)025189840 1051-8223 nnns volume:25 year:2015 number:3 pages:1-4 http://dx.doi.org/10.1109/TASC.2014.2360151 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6911987 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_170 AR 25 2015 3 1-4 |
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Zhao, Y ddc 530 misc Chemicals misc hexanoate-based precursors misc valerate-based precursors misc liquid phase epitaxial growth misc temperature 77 K misc fluorine-free solutions misc critical current density (superconductivity) misc LaAlO 3 misc Fluorine-free misc decomposition misc YBCO films misc pyrolysis misc butyrates misc X-ray scattering misc superconducting epitaxial layers misc carbonaceous residue misc Chemical solution method misc Films misc X-ray diffractometer misc sintering misc high-temperature superconductors misc barium compounds misc carboxylate solutions misc Carboxylate misc X-ray diffraction misc critical current density misc Yttrium barium copper oxide misc propionates misc epitaxial growth misc YBCO misc platelike grains misc yttrium compounds misc Superconducting films misc Thin films misc film morphology misc LaAlO 3 single-crystal substrates Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions |
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530 620 DNB Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions Chemicals hexanoate-based precursors valerate-based precursors liquid phase epitaxial growth temperature 77 K fluorine-free solutions critical current density (superconductivity) LaAlO 3 Fluorine-free decomposition YBCO films pyrolysis butyrates X-ray scattering superconducting epitaxial layers carbonaceous residue Chemical solution method Films X-ray diffractometer sintering high-temperature superconductors barium compounds carboxylate solutions Carboxylate X-ray diffraction critical current density Yttrium barium copper oxide propionates epitaxial growth YBCO platelike grains yttrium compounds Superconducting films Thin films film morphology LaAlO 3 single-crystal substrates |
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comparison study of \hbox\hbox\hbox} films deposited by using various carboxylate solutions |
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Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions |
| abstract |
In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. |
| abstractGer |
In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. |
| abstract_unstemmed |
In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors. |
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Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a2200265 4500</leader><controlfield tag="001">OLC1958930555</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230714145937.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">160206s2015 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1109/TASC.2014.2360151</subfield><subfield code="2">doi</subfield></datafield><datafield tag="028" ind1="5" ind2="2"><subfield code="a">PQ20160617</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC1958930555</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVOLC1958930555</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(PRQ)ieee_primary_0b00006482762d3d0</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(KEY)0203240620150000025000300001comparisonstudyofhboxhboxhboxfilmsdepositedbyusing</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">530</subfield><subfield code="a">620</subfield><subfield code="q">DNB</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Zhao, Y</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Comparison Study of \hbox\hbox\hbox} Films Deposited by Using Various Carboxylate Solutions</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2015</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">In this work, four fluorine-free solutions based on various carboxylates (propionates, butyrates, valerates, and hexanoates, respectively) were prepared and used for deposition of YBCO films on LaAlO 3 single-crystal substrates, in order to further understand the role of precursors on properties of the final films. After the same pyrolysis and sintering processes, the films from propionates and butyrates show pure YBCO phase and were epitaxially grown, as determined by X-ray diffractometer analysis. There are clear differences in morphologies of these four films, i.e., the films from propionates and butyrates exhibit platelike grains without distinct grain boundaries, while almost randomly orientated grains were observed on the surface of the other two films. As a result, we noticed significant discrepancies on their superconducting performance. The films from propionates and butyrates give J c values (at 77 K, self-field) of 2.1 MA/cm 2 and 1.3 MA/cm 2 , respectively, while no superconducting transition above 70 K was observed in the other two films. A relatively larger amount of carbonaceous residue left as a by-product after decomposition of carboxylates with longer ligands, particularly under fast pyrolysis and sintering processes, could be one of the explanations of the poor superconductivity in the films from the valerateand hexanoate-based precursors.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Chemicals</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">hexanoate-based precursors</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">valerate-based precursors</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">liquid phase epitaxial growth</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">temperature 77 K</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">fluorine-free solutions</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">critical current density (superconductivity)</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">LaAlO 3</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Fluorine-free</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">decomposition</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">YBCO films</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">pyrolysis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">butyrates</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">X-ray scattering</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">superconducting epitaxial layers</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">carbonaceous residue</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Chemical solution method</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Films</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">X-ray diffractometer</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">sintering</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">high-temperature superconductors</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">barium compounds</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">carboxylate solutions</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Carboxylate</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">X-ray diffraction</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">critical current density</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Yttrium barium copper oxide</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">propionates</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">epitaxial growth</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">YBCO</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">platelike grains</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">yttrium compounds</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Superconducting films</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thin films</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">film morphology</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">LaAlO 3 single-crystal substrates</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Torres, P</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Norby, P</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Wulff, A. 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