Effect of Ni-doping on structural, dielectric, and magnetic properties of CdO nanoparticles
In the present studies, we are reporting synthesis, structural, microstructural, optical dielectric, and magnetic properties of pristine and Ni-doped CdO (Cd 1 -x Ni x O, 0% ≤ x ≤ 10%) nanoparticles. Co-precipitation method was used to synthesize these nanoparticles. X-ray diffraction patterns sho...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2023-08, Vol.129 (8), Article 604 |
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| creator | Leelavati Kumar, Rajesh Kumar, Ravi |
| description | In the present studies, we are reporting synthesis, structural, microstructural, optical dielectric, and magnetic properties of pristine and Ni-doped CdO (Cd
1
-x
Ni
x
O, 0% ≤
x
≤ 10%) nanoparticles. Co-precipitation method was used to synthesize these nanoparticles. X-ray diffraction patterns show the cubic phase of polycrystalline Cd
1–
x
Ni
x
O nanoparticles along with the formation of secondary NiO phase at higher Ni-content. The XPS spectra indicate the presence of oxygen vacancies along with mixed oxidation states of nickel (Ni
2+
and Ni
3+
) and cadmium (Cd
2+
, Cd
4+
). FESEM micrographs show non uniform distribution of grains in these nanoparticles. The observed Raman peaks show that Ni
2+
ions are successfully substituted at the Cd
2+
lattice sites in the host lattice of CdO. The decrease in ac-conductivity of CdO with Ni-doping indicates the segregation of defects (Cd interstitials and oxygen vacancies) at grain boundaries. The conduction phenomena are explained by correlated barrier hopping mechanism in these nanoparticles. The optical band-gap broadening of CdO with Ni-doping show the influence of carrier densities. Ferromagnetic ordering in these nanoparticles is explained using bound magnetic polarons’ (BMPs) model. |
| doi_str_mv | 10.1007/s00339-023-06850-4 |
| format | Article |
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1
-x
Ni
x
O, 0% ≤
x
≤ 10%) nanoparticles. Co-precipitation method was used to synthesize these nanoparticles. X-ray diffraction patterns show the cubic phase of polycrystalline Cd
1–
x
Ni
x
O nanoparticles along with the formation of secondary NiO phase at higher Ni-content. The XPS spectra indicate the presence of oxygen vacancies along with mixed oxidation states of nickel (Ni
2+
and Ni
3+
) and cadmium (Cd
2+
, Cd
4+
). FESEM micrographs show non uniform distribution of grains in these nanoparticles. The observed Raman peaks show that Ni
2+
ions are successfully substituted at the Cd
2+
lattice sites in the host lattice of CdO. The decrease in ac-conductivity of CdO with Ni-doping indicates the segregation of defects (Cd interstitials and oxygen vacancies) at grain boundaries. The conduction phenomena are explained by correlated barrier hopping mechanism in these nanoparticles. The optical band-gap broadening of CdO with Ni-doping show the influence of carrier densities. Ferromagnetic ordering in these nanoparticles is explained using bound magnetic polarons’ (BMPs) model.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-023-06850-4</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Applied physics ; Cadmium ; Carrier density ; Characterization and Evaluation of Materials ; Condensed Matter Physics ; Crystal defects ; Diffraction patterns ; Doping ; Ferromagnetism ; Grain boundaries ; Interstitials ; Ions ; Lattice sites ; Machines ; Magnetic properties ; Manufacturing ; Materials science ; Nanoparticles ; Nanotechnology ; Nickel ; Optical and Electronic Materials ; Optical properties ; Oxidation ; Oxygen ; Photomicrographs ; Physics ; Physics and Astronomy ; Processes ; Surfaces and Interfaces ; Thin Films ; X ray photoelectron spectroscopy</subject><ispartof>Applied physics. A, Materials science & processing, 2023-08, Vol.129 (8), Article 604</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-c5a5e829ab0ed26befb22380b7b5bc8f5afe612369674278d3487f7f608843173</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00339-023-06850-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-023-06850-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Leelavati</creatorcontrib><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Kumar, Ravi</creatorcontrib><title>Effect of Ni-doping on structural, dielectric, and magnetic properties of CdO nanoparticles</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>In the present studies, we are reporting synthesis, structural, microstructural, optical dielectric, and magnetic properties of pristine and Ni-doped CdO (Cd
1
-x
Ni
x
O, 0% ≤
x
≤ 10%) nanoparticles. Co-precipitation method was used to synthesize these nanoparticles. X-ray diffraction patterns show the cubic phase of polycrystalline Cd
1–
x
Ni
x
O nanoparticles along with the formation of secondary NiO phase at higher Ni-content. The XPS spectra indicate the presence of oxygen vacancies along with mixed oxidation states of nickel (Ni
2+
and Ni
3+
) and cadmium (Cd
2+
, Cd
4+
). FESEM micrographs show non uniform distribution of grains in these nanoparticles. The observed Raman peaks show that Ni
2+
ions are successfully substituted at the Cd
2+
lattice sites in the host lattice of CdO. The decrease in ac-conductivity of CdO with Ni-doping indicates the segregation of defects (Cd interstitials and oxygen vacancies) at grain boundaries. The conduction phenomena are explained by correlated barrier hopping mechanism in these nanoparticles. The optical band-gap broadening of CdO with Ni-doping show the influence of carrier densities. Ferromagnetic ordering in these nanoparticles is explained using bound magnetic polarons’ (BMPs) model.</description><subject>Applied physics</subject><subject>Cadmium</subject><subject>Carrier density</subject><subject>Characterization and Evaluation of Materials</subject><subject>Condensed Matter Physics</subject><subject>Crystal defects</subject><subject>Diffraction patterns</subject><subject>Doping</subject><subject>Ferromagnetism</subject><subject>Grain boundaries</subject><subject>Interstitials</subject><subject>Ions</subject><subject>Lattice sites</subject><subject>Machines</subject><subject>Magnetic properties</subject><subject>Manufacturing</subject><subject>Materials science</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Nickel</subject><subject>Optical and Electronic Materials</subject><subject>Optical properties</subject><subject>Oxidation</subject><subject>Oxygen</subject><subject>Photomicrographs</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Processes</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><subject>X ray photoelectron spectroscopy</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQhi0EEuXjDzBZYq3hYju2M6KqfEgVXWBisBzHrlKlTrCTgX-PS5DYuOV0p_d57_QidFPAXQEg7xMAYxUByggIVQLhJ2hRcEbzyOAULaDikihWiXN0kdIecnFKF-hj7b2zI-49fm1J0w9t2OE-4DTGyY5TNN0SN63rsia2dolNaPDB7IIbW4uH2A8ujq1LR37VbHEwoR9MXtnOpSt05k2X3PVvv0Tvj-u31TPZbJ9eVg8bYqmEkdjSlE7RytTgGipq52tKmYJa1mVtlS-Nd6KgTFRCcipVw7iSXnoBSnFWSHaJbmff_M_n5NKo9_0UQz6pqeJlIUoJKqvorLKxTyk6r4fYHkz80gXoY4h6DlHnEPVPiJpniM1QyuKwc_HP-h_qGzECdDQ</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>Leelavati</creator><creator>Kumar, Rajesh</creator><creator>Kumar, Ravi</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20230801</creationdate><title>Effect of Ni-doping on structural, dielectric, and magnetic properties of CdO nanoparticles</title><author>Leelavati ; Kumar, Rajesh ; Kumar, Ravi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-c5a5e829ab0ed26befb22380b7b5bc8f5afe612369674278d3487f7f608843173</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Applied physics</topic><topic>Cadmium</topic><topic>Carrier density</topic><topic>Characterization and Evaluation of Materials</topic><topic>Condensed Matter Physics</topic><topic>Crystal defects</topic><topic>Diffraction patterns</topic><topic>Doping</topic><topic>Ferromagnetism</topic><topic>Grain boundaries</topic><topic>Interstitials</topic><topic>Ions</topic><topic>Lattice sites</topic><topic>Machines</topic><topic>Magnetic properties</topic><topic>Manufacturing</topic><topic>Materials science</topic><topic>Nanoparticles</topic><topic>Nanotechnology</topic><topic>Nickel</topic><topic>Optical and Electronic Materials</topic><topic>Optical properties</topic><topic>Oxidation</topic><topic>Oxygen</topic><topic>Photomicrographs</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Processes</topic><topic>Surfaces and Interfaces</topic><topic>Thin Films</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Leelavati</creatorcontrib><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Kumar, Ravi</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Leelavati</au><au>Kumar, Rajesh</au><au>Kumar, Ravi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Ni-doping on structural, dielectric, and magnetic properties of CdO nanoparticles</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2023-08-01</date><risdate>2023</risdate><volume>129</volume><issue>8</issue><artnum>604</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>In the present studies, we are reporting synthesis, structural, microstructural, optical dielectric, and magnetic properties of pristine and Ni-doped CdO (Cd
1
-x
Ni
x
O, 0% ≤
x
≤ 10%) nanoparticles. Co-precipitation method was used to synthesize these nanoparticles. X-ray diffraction patterns show the cubic phase of polycrystalline Cd
1–
x
Ni
x
O nanoparticles along with the formation of secondary NiO phase at higher Ni-content. The XPS spectra indicate the presence of oxygen vacancies along with mixed oxidation states of nickel (Ni
2+
and Ni
3+
) and cadmium (Cd
2+
, Cd
4+
). FESEM micrographs show non uniform distribution of grains in these nanoparticles. The observed Raman peaks show that Ni
2+
ions are successfully substituted at the Cd
2+
lattice sites in the host lattice of CdO. The decrease in ac-conductivity of CdO with Ni-doping indicates the segregation of defects (Cd interstitials and oxygen vacancies) at grain boundaries. The conduction phenomena are explained by correlated barrier hopping mechanism in these nanoparticles. The optical band-gap broadening of CdO with Ni-doping show the influence of carrier densities. Ferromagnetic ordering in these nanoparticles is explained using bound magnetic polarons’ (BMPs) model.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-023-06850-4</doi></addata></record> |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Applied physics Cadmium Carrier density Characterization and Evaluation of Materials Condensed Matter Physics Crystal defects Diffraction patterns Doping Ferromagnetism Grain boundaries Interstitials Ions Lattice sites Machines Magnetic properties Manufacturing Materials science Nanoparticles Nanotechnology Nickel Optical and Electronic Materials Optical properties Oxidation Oxygen Photomicrographs Physics Physics and Astronomy Processes Surfaces and Interfaces Thin Films X ray photoelectron spectroscopy |
| title | Effect of Ni-doping on structural, dielectric, and magnetic properties of CdO nanoparticles |
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