Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles
The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites...
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Gespeichert in:
| Autor*in: |
Sharma, Vikash [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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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:497 ; year:2020 ; day:1 ; month:03 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jmmm.2019.166000 |
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ELV048698709 |
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| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. | ||
| 520 | |a The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. | ||
| 650 | 7 | |a Nanoparticles |2 Elsevier | |
| 650 | 7 | |a Cobalt oxide |2 Elsevier | |
| 650 | 7 | |a Synthesis |2 Elsevier | |
| 650 | 7 | |a Transmission electron microscopy |2 Elsevier | |
| 650 | 7 | |a Trioctylphosphine |2 Elsevier | |
| 700 | 1 | |a Verma, Divya |4 oth | |
| 700 | 1 | |a Okram, Gunadhor Singh |4 oth | |
| 700 | 1 | |a Choudhary, Ram Janay |4 oth | |
| 700 | 1 | |a Kumar, Dileep |4 oth | |
| 700 | 1 | |a Deshpande, Uday |4 oth | |
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10.1016/j.jmmm.2019.166000 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000855.pica (DE-627)ELV048698709 (ELSEVIER)S0304-8853(19)32119-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Sharma, Vikash verfasserin aut Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. Nanoparticles Elsevier Cobalt oxide Elsevier Synthesis Elsevier Transmission electron microscopy Elsevier Trioctylphosphine Elsevier Verma, Divya oth Okram, Gunadhor Singh oth Choudhary, Ram Janay oth Kumar, Dileep oth Deshpande, Uday 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:497 year:2020 day:1 month:03 pages:0 https://doi.org/10.1016/j.jmmm.2019.166000 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 497 2020 1 0301 0 |
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10.1016/j.jmmm.2019.166000 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000855.pica (DE-627)ELV048698709 (ELSEVIER)S0304-8853(19)32119-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Sharma, Vikash verfasserin aut Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. Nanoparticles Elsevier Cobalt oxide Elsevier Synthesis Elsevier Transmission electron microscopy Elsevier Trioctylphosphine Elsevier Verma, Divya oth Okram, Gunadhor Singh oth Choudhary, Ram Janay oth Kumar, Dileep oth Deshpande, Uday 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:497 year:2020 day:1 month:03 pages:0 https://doi.org/10.1016/j.jmmm.2019.166000 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 497 2020 1 0301 0 |
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10.1016/j.jmmm.2019.166000 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000855.pica (DE-627)ELV048698709 (ELSEVIER)S0304-8853(19)32119-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Sharma, Vikash verfasserin aut Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. Nanoparticles Elsevier Cobalt oxide Elsevier Synthesis Elsevier Transmission electron microscopy Elsevier Trioctylphosphine Elsevier Verma, Divya oth Okram, Gunadhor Singh oth Choudhary, Ram Janay oth Kumar, Dileep oth Deshpande, Uday 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:497 year:2020 day:1 month:03 pages:0 https://doi.org/10.1016/j.jmmm.2019.166000 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 497 2020 1 0301 0 |
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10.1016/j.jmmm.2019.166000 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000855.pica (DE-627)ELV048698709 (ELSEVIER)S0304-8853(19)32119-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Sharma, Vikash verfasserin aut Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. Nanoparticles Elsevier Cobalt oxide Elsevier Synthesis Elsevier Transmission electron microscopy Elsevier Trioctylphosphine Elsevier Verma, Divya oth Okram, Gunadhor Singh oth Choudhary, Ram Janay oth Kumar, Dileep oth Deshpande, Uday 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:497 year:2020 day:1 month:03 pages:0 https://doi.org/10.1016/j.jmmm.2019.166000 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 497 2020 1 0301 0 |
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10.1016/j.jmmm.2019.166000 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000855.pica (DE-627)ELV048698709 (ELSEVIER)S0304-8853(19)32119-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Sharma, Vikash verfasserin aut Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. Nanoparticles Elsevier Cobalt oxide Elsevier Synthesis Elsevier Transmission electron microscopy Elsevier Trioctylphosphine Elsevier Verma, Divya oth Okram, Gunadhor Singh oth Choudhary, Ram Janay oth Kumar, Dileep oth Deshpande, Uday 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:497 year:2020 day:1 month:03 pages:0 https://doi.org/10.1016/j.jmmm.2019.166000 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 497 2020 1 0301 0 |
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Modular auditory decision-making behavioral task designed for intraoperative use in humans |
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Sharma, Vikash @@aut@@ Verma, Divya @@oth@@ Okram, Gunadhor Singh @@oth@@ Choudhary, Ram Janay @@oth@@ Kumar, Dileep @@oth@@ Deshpande, Uday @@oth@@ |
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Dominant role of trioctylphosphine on the particle size and various properties of CoO nanoparticles |
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The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. |
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The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. |
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The dominant role of trioctylphosphine (TOP) on the particle size and various properties of CoO nanoparticle (NP) samples having Scherrer size in the range 9.4–42.8 nm is reported here; samples have been characterized in detail systematically. Remarkably, while nanosized CoO or CoO/Co nanocomposites with monoclinic or face-centered cubic (fcc) phase can be prepared depending on the synthesis conditions and particle size systematically decreases with increase in concentration of TOP, there is an increase in optical band gap and electrical resistivity with decrease in particle size. The highly semiconducting electrical resistivity is explained with the variable range hopping and small polaron hopping models that indicate in turn enhanced localized density of states, but decrease in Debye temperature (θD) as the particle size decreases. Curiously, 25.9 nm sample shows anomalous behaviour. Moreover, the silica-coated 9.4 nm CoO NP and bare 10.8 nm CoO NP samples exhibit ferromagnetism at 300 K even though their bulk counterpart is antiferromagnetic, with attractive indications of possible potential biomedical applications of the former. |
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