A study of the properties of SrFe12−x Co x O19 nanoparticles
In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the...
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| Autor*in: |
Mousavi Ghahfarokhi, S.E. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: Modular auditory decision-making behavioral task designed for intraoperative use in humans - Tekriwal, Anand ELSEVIER, 2018, MMM, Amsterdam |
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| Übergeordnetes Werk: |
volume:349 ; year:2014 ; pages:80-87 ; extent:8 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jmmm.2013.08.036 |
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| 520 | |a In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. | ||
| 520 | |a In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. | ||
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10.1016/j.jmmm.2013.08.036 doi GBVA2014010000001.pica (DE-627)ELV01746921X (ELSEVIER)S0304-8853(13)00601-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 44.90 bkl Mousavi Ghahfarokhi, S.E. verfasserin aut A study of the properties of SrFe12−x Co x O19 nanoparticles 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. Strontium hexaferrite Elsevier Nanoparticle Elsevier Electric Elsevier Dielectric Elsevier Cobalt Elsevier Ranjbar, F. oth Zargar Shoushtari, M. oth Enthalten in North-Holland Publ. Co Tekriwal, Anand ELSEVIER Modular auditory decision-making behavioral task designed for intraoperative use in humans 2018 MMM Amsterdam (DE-627)ELV002407426 volume:349 year:2014 pages:80-87 extent:8 https://doi.org/10.1016/j.jmmm.2013.08.036 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 349 2014 80-87 8 045F 530 |
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10.1016/j.jmmm.2013.08.036 doi GBVA2014010000001.pica (DE-627)ELV01746921X (ELSEVIER)S0304-8853(13)00601-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 44.90 bkl Mousavi Ghahfarokhi, S.E. verfasserin aut A study of the properties of SrFe12−x Co x O19 nanoparticles 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. Strontium hexaferrite Elsevier Nanoparticle Elsevier Electric Elsevier Dielectric Elsevier Cobalt Elsevier Ranjbar, F. oth Zargar Shoushtari, M. oth Enthalten in North-Holland Publ. Co Tekriwal, Anand ELSEVIER Modular auditory decision-making behavioral task designed for intraoperative use in humans 2018 MMM Amsterdam (DE-627)ELV002407426 volume:349 year:2014 pages:80-87 extent:8 https://doi.org/10.1016/j.jmmm.2013.08.036 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 349 2014 80-87 8 045F 530 |
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10.1016/j.jmmm.2013.08.036 doi GBVA2014010000001.pica (DE-627)ELV01746921X (ELSEVIER)S0304-8853(13)00601-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 44.90 bkl Mousavi Ghahfarokhi, S.E. verfasserin aut A study of the properties of SrFe12−x Co x O19 nanoparticles 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. Strontium hexaferrite Elsevier Nanoparticle Elsevier Electric Elsevier Dielectric Elsevier Cobalt Elsevier Ranjbar, F. oth Zargar Shoushtari, M. oth Enthalten in North-Holland Publ. Co Tekriwal, Anand ELSEVIER Modular auditory decision-making behavioral task designed for intraoperative use in humans 2018 MMM Amsterdam (DE-627)ELV002407426 volume:349 year:2014 pages:80-87 extent:8 https://doi.org/10.1016/j.jmmm.2013.08.036 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 349 2014 80-87 8 045F 530 |
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10.1016/j.jmmm.2013.08.036 doi GBVA2014010000001.pica (DE-627)ELV01746921X (ELSEVIER)S0304-8853(13)00601-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 44.90 bkl Mousavi Ghahfarokhi, S.E. verfasserin aut A study of the properties of SrFe12−x Co x O19 nanoparticles 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. Strontium hexaferrite Elsevier Nanoparticle Elsevier Electric Elsevier Dielectric Elsevier Cobalt Elsevier Ranjbar, F. oth Zargar Shoushtari, M. oth Enthalten in North-Holland Publ. Co Tekriwal, Anand ELSEVIER Modular auditory decision-making behavioral task designed for intraoperative use in humans 2018 MMM Amsterdam (DE-627)ELV002407426 volume:349 year:2014 pages:80-87 extent:8 https://doi.org/10.1016/j.jmmm.2013.08.036 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 349 2014 80-87 8 045F 530 |
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10.1016/j.jmmm.2013.08.036 doi GBVA2014010000001.pica (DE-627)ELV01746921X (ELSEVIER)S0304-8853(13)00601-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 44.90 bkl Mousavi Ghahfarokhi, S.E. verfasserin aut A study of the properties of SrFe12−x Co x O19 nanoparticles 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. Strontium hexaferrite Elsevier Nanoparticle Elsevier Electric Elsevier Dielectric Elsevier Cobalt Elsevier Ranjbar, F. oth Zargar Shoushtari, M. oth Enthalten in North-Holland Publ. Co Tekriwal, Anand ELSEVIER Modular auditory decision-making behavioral task designed for intraoperative use in humans 2018 MMM Amsterdam (DE-627)ELV002407426 volume:349 year:2014 pages:80-87 extent:8 https://doi.org/10.1016/j.jmmm.2013.08.036 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 349 2014 80-87 8 045F 530 |
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A study of the properties of SrFe12−x Co x O19 nanoparticles |
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In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. |
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In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. |
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In this paper, the nanoparticles of SrFe12−x Co x O19 (x=0–2) were synthesized via the sol–gel technique. The XRD results showed that all samples with x≤0.5 are single-phase. It seems that the Fe3+ ions are substituted by Co2+ ions in the crystallography sites of the SrFe12O19 structure, but for the x>0.5 cases, the phase of CoFe2O4 is materialized in the samples. The DC electrical resistivity decreases with the increase of cobalt content up to level of x=0.5, but it increases on further addition of cobalt. We found that the dielectric constant and the dielectric loss for samples with x=1 and 1.2 into the pure sample (SrFe12O19), decrease as the Co2+ content increases. The variation of AC conductivity (σ ac) with frequency ranging from 500Hz to 200KHz shows that electrical conductivity in these ferrites is mainly due to the electron hopping mechanism. |
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