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Effect of Transition Metal (Gd, Dy) Co-doping on Structural, Optical, and Magnetic Properties of CeO2 Nanoparticles by Solid-State Reaction
Ce (2-x–y) Gd x Dy y O 2-δ nanoparticles with x = 0.02 and y = 0.02, 0.04, 0.06, and 0.08 with a size range of 15.81 to 40.42 nm have been obtained by annealing the solid-state reaction-derived nanocrystalline powders. Correlations between Gd and Dy doping and lattice expansion were found; lattice...
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| Published in: | Brazilian journal of physics 2024-12, Vol.54 (6), Article 217 |
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| container_issue | 6 |
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| container_title | Brazilian journal of physics |
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| creator | Subbaiah, G. Chinna Venkata Rao, Nasina Madhusudhana Chakravarthi, Maddikera Kalyan |
| description | Ce
(2-x–y)
Gd
x
Dy
y
O
2-δ
nanoparticles with
x
= 0.02 and
y
= 0.02, 0.04, 0.06, and 0.08 with a size range of 15.81 to 40.42 nm have been obtained by annealing the solid-state reaction-derived nanocrystalline powders. Correlations between Gd and Dy doping and lattice expansion were found; lattice parameters increased from 5.423 to 5.468 Å. When Gd and Dy content increased, optical investigations showed unexpected bandgap behaviour that did not follow the predicted reduction. Red, green, blue, and violet emissions have been identified via photoluminescence analysis. SEM and EDS verified the homogenous elemental distribution of spherical nanoparticles. With a growing magnetic moment and coercive field, magnetic measurements showed paramagnetic activity. |
| doi_str_mv | 10.1007/s13538-024-01602-y |
| format | article |
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(2-x–y)
Gd
x
Dy
y
O
2-δ
nanoparticles with
x
= 0.02 and
y
= 0.02, 0.04, 0.06, and 0.08 with a size range of 15.81 to 40.42 nm have been obtained by annealing the solid-state reaction-derived nanocrystalline powders. Correlations between Gd and Dy doping and lattice expansion were found; lattice parameters increased from 5.423 to 5.468 Å. When Gd and Dy content increased, optical investigations showed unexpected bandgap behaviour that did not follow the predicted reduction. Red, green, blue, and violet emissions have been identified via photoluminescence analysis. SEM and EDS verified the homogenous elemental distribution of spherical nanoparticles. With a growing magnetic moment and coercive field, magnetic measurements showed paramagnetic activity.</description><subject>Cerium oxides</subject><subject>Coercivity</subject><subject>Doping</subject><subject>Dysprosium</subject><subject>Gadolinium</subject><subject>Lattice parameters</subject><subject>Magnetic measurement</subject><subject>Magnetic moments</subject><subject>Magnetic properties</subject><subject>Nanoparticles</subject><subject>Optical properties</subject><subject>Parameter identification</subject><subject>Photoluminescence</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Solid state</subject><subject>Transition metals</subject><issn>0103-9733</issn><issn>1678-4448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9UE1v1DAQtRCVWAp_gJMlLlSqy_gjiXNES2krtV3ElrPlOONVqjQOtveQ38CfxttF6q2nmXnzPqRHyCcOFxyg-Zq4rKRmIBQDXoNgyxuy4nWjmVJKvyUr4CBZ20j5jrxP6RFAVKDkivy99B5dpsHTh2inNOQhTPQOsx3pl6v-nH5fzug6sD7Mw7Sj5bfNce_yPtrxnG7mPLjDYqee3tndhOWmP2OYMeYB08F2jRtB7-0UZlswNxa0W-g2jEPPttlmpL_QukPsB3Li7Zjw4_95Sn7_uHxYX7PbzdXN-tstcwIgM8VF1VoJute-1cJ24AR2DlWtGo2iVbWXWvai0VWtZAXotYC-8q1C1Yiuk6fk89F3juHPHlM2j2EfpxJpJBcNyEo1bWGJI8vFkFJEb-Y4PNm4GA7mULo5lm5K6ea5dLMUkTyKUiFPO4wv1q-o_gE5sIRC</recordid><startdate>20241201</startdate><enddate>20241201</enddate><creator>Subbaiah, G. Chinna Venkata</creator><creator>Rao, Nasina Madhusudhana</creator><creator>Chakravarthi, Maddikera Kalyan</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20241201</creationdate><title>Effect of Transition Metal (Gd, Dy) Co-doping on Structural, Optical, and Magnetic Properties of CeO2 Nanoparticles by Solid-State Reaction</title><author>Subbaiah, G. Chinna Venkata ; Rao, Nasina Madhusudhana ; Chakravarthi, Maddikera Kalyan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c200t-41259a308d8f982ab0c2ebce46478e2946f383d278564350ef820d5f94e472bb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Cerium oxides</topic><topic>Coercivity</topic><topic>Doping</topic><topic>Dysprosium</topic><topic>Gadolinium</topic><topic>Lattice parameters</topic><topic>Magnetic measurement</topic><topic>Magnetic moments</topic><topic>Magnetic properties</topic><topic>Nanoparticles</topic><topic>Optical properties</topic><topic>Parameter identification</topic><topic>Photoluminescence</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Solid state</topic><topic>Transition metals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Subbaiah, G. Chinna Venkata</creatorcontrib><creatorcontrib>Rao, Nasina Madhusudhana</creatorcontrib><creatorcontrib>Chakravarthi, Maddikera Kalyan</creatorcontrib><collection>CrossRef</collection><jtitle>Brazilian journal of physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Subbaiah, G. Chinna Venkata</au><au>Rao, Nasina Madhusudhana</au><au>Chakravarthi, Maddikera Kalyan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Transition Metal (Gd, Dy) Co-doping on Structural, Optical, and Magnetic Properties of CeO2 Nanoparticles by Solid-State Reaction</atitle><jtitle>Brazilian journal of physics</jtitle><stitle>Braz J Phys</stitle><date>2024-12-01</date><risdate>2024</risdate><volume>54</volume><issue>6</issue><artnum>217</artnum><issn>0103-9733</issn><eissn>1678-4448</eissn><abstract>Ce
(2-x–y)
Gd
x
Dy
y
O
2-δ
nanoparticles with
x
= 0.02 and
y
= 0.02, 0.04, 0.06, and 0.08 with a size range of 15.81 to 40.42 nm have been obtained by annealing the solid-state reaction-derived nanocrystalline powders. Correlations between Gd and Dy doping and lattice expansion were found; lattice parameters increased from 5.423 to 5.468 Å. When Gd and Dy content increased, optical investigations showed unexpected bandgap behaviour that did not follow the predicted reduction. Red, green, blue, and violet emissions have been identified via photoluminescence analysis. SEM and EDS verified the homogenous elemental distribution of spherical nanoparticles. With a growing magnetic moment and coercive field, magnetic measurements showed paramagnetic activity.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s13538-024-01602-y</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0103-9733 |
| ispartof | Brazilian journal of physics, 2024-12, Vol.54 (6), Article 217 |
| issn | 0103-9733 1678-4448 |
| language | eng |
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| source | Springer Nature |
| subjects | Cerium oxides Coercivity Doping Dysprosium Gadolinium Lattice parameters Magnetic measurement Magnetic moments Magnetic properties Nanoparticles Optical properties Parameter identification Photoluminescence Physics Physics and Astronomy Solid state Transition metals |
| title | Effect of Transition Metal (Gd, Dy) Co-doping on Structural, Optical, and Magnetic Properties of CeO2 Nanoparticles by Solid-State Reaction |
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