Polymorphism induced magnetic transitions in Ni(OH)2 nanostructures
[Display omitted] •Novel Ni(OH)2 nanostructures were prepared by facile hydrothermal method and reported.•Polymorphism in Ni(OH)2 was induced by varying complexing agents.•C-axis of hexagonal Ni(OH)2 has significant influence on magnetic properties.•Paramagnetic to superparamagnetic transition was o...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2021-12, Vol.539, p.168364, Article 168364 |
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| container_title | Journal of magnetism and magnetic materials |
| container_volume | 539 |
| creator | Gokul, B. Matheswaran, P. Pandian, M. Arun Paul, C. Ravikumar, K. Gopala Krishnan, V. Shkir, Mohd AlFaify, S. Sreedevi, Gedi |
| description | [Display omitted]
•Novel Ni(OH)2 nanostructures were prepared by facile hydrothermal method and reported.•Polymorphism in Ni(OH)2 was induced by varying complexing agents.•C-axis of hexagonal Ni(OH)2 has significant influence on magnetic properties.•Paramagnetic to superparamagnetic transition was observed in α-Ni(OH)2 phase.•Paramagnetic to antiferromagnetic transition was observed in β-Ni(OH)2 phase.
The article describes the impact of complexing agent on the phase changing property of Ni(OH)2 nanostructures (NSs). Ni(OH)2 was prepared by facile hydrothermal method and polymorphism have been obtained by employing two different complexing agent while keeping other parameters constant during synthesis. The α-and β-Ni(OH)2 NSs phase was formed confirmed by XRD and FTIR. FESEM and TEM images reveals that the 3D-flower like α-Ni(OH)2 nanostructure and formation randomly oriented nanopetals of β-Ni(OH)2 NSs. Magnetic features of both α-and β-Ni(OH)2 phases were studied using SQUID magnetometer. α-and β-Ni(OH)2 exhibit blocking temperature at 6 K and 25 K, correspondingly and irreversible hysteresis behavior below blocking temperature. α-Ni(OH)2 shows paramagnetic to superparamagnetic transition whereas β-Ni(OH)2 shows paramagnetic to antiferromagnetic transition as temperature varies from 2 to 50 K. |
| doi_str_mv | 10.1016/j.jmmm.2021.168364 |
| format | Article |
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•Novel Ni(OH)2 nanostructures were prepared by facile hydrothermal method and reported.•Polymorphism in Ni(OH)2 was induced by varying complexing agents.•C-axis of hexagonal Ni(OH)2 has significant influence on magnetic properties.•Paramagnetic to superparamagnetic transition was observed in α-Ni(OH)2 phase.•Paramagnetic to antiferromagnetic transition was observed in β-Ni(OH)2 phase.
The article describes the impact of complexing agent on the phase changing property of Ni(OH)2 nanostructures (NSs). Ni(OH)2 was prepared by facile hydrothermal method and polymorphism have been obtained by employing two different complexing agent while keeping other parameters constant during synthesis. The α-and β-Ni(OH)2 NSs phase was formed confirmed by XRD and FTIR. FESEM and TEM images reveals that the 3D-flower like α-Ni(OH)2 nanostructure and formation randomly oriented nanopetals of β-Ni(OH)2 NSs. Magnetic features of both α-and β-Ni(OH)2 phases were studied using SQUID magnetometer. α-and β-Ni(OH)2 exhibit blocking temperature at 6 K and 25 K, correspondingly and irreversible hysteresis behavior below blocking temperature. α-Ni(OH)2 shows paramagnetic to superparamagnetic transition whereas β-Ni(OH)2 shows paramagnetic to antiferromagnetic transition as temperature varies from 2 to 50 K.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2021.168364</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Antiferromagnetism ; Complexing agent ; Magnetic properties ; Magnetic transitions ; Magnetometers ; Nanostructure ; Nickel compounds ; Nickel hydroxide ; Polymorphism ; Superconducting quantum interference devices ; Three dimensional flow</subject><ispartof>Journal of magnetism and magnetic materials, 2021-12, Vol.539, p.168364, Article 168364</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Dec 1, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-4000dd35f9c2faffe7b583e9f0e6eecfddab49a7f9dae2425c3fada1dc3fd80e3</citedby><cites>FETCH-LOGICAL-c328t-4000dd35f9c2faffe7b583e9f0e6eecfddab49a7f9dae2425c3fada1dc3fd80e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmmm.2021.168364$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Gokul, B.</creatorcontrib><creatorcontrib>Matheswaran, P.</creatorcontrib><creatorcontrib>Pandian, M.</creatorcontrib><creatorcontrib>Arun Paul, C.</creatorcontrib><creatorcontrib>Ravikumar, K.</creatorcontrib><creatorcontrib>Gopala Krishnan, V.</creatorcontrib><creatorcontrib>Shkir, Mohd</creatorcontrib><creatorcontrib>AlFaify, S.</creatorcontrib><creatorcontrib>Sreedevi, Gedi</creatorcontrib><title>Polymorphism induced magnetic transitions in Ni(OH)2 nanostructures</title><title>Journal of magnetism and magnetic materials</title><description>[Display omitted]
•Novel Ni(OH)2 nanostructures were prepared by facile hydrothermal method and reported.•Polymorphism in Ni(OH)2 was induced by varying complexing agents.•C-axis of hexagonal Ni(OH)2 has significant influence on magnetic properties.•Paramagnetic to superparamagnetic transition was observed in α-Ni(OH)2 phase.•Paramagnetic to antiferromagnetic transition was observed in β-Ni(OH)2 phase.
The article describes the impact of complexing agent on the phase changing property of Ni(OH)2 nanostructures (NSs). Ni(OH)2 was prepared by facile hydrothermal method and polymorphism have been obtained by employing two different complexing agent while keeping other parameters constant during synthesis. The α-and β-Ni(OH)2 NSs phase was formed confirmed by XRD and FTIR. FESEM and TEM images reveals that the 3D-flower like α-Ni(OH)2 nanostructure and formation randomly oriented nanopetals of β-Ni(OH)2 NSs. Magnetic features of both α-and β-Ni(OH)2 phases were studied using SQUID magnetometer. α-and β-Ni(OH)2 exhibit blocking temperature at 6 K and 25 K, correspondingly and irreversible hysteresis behavior below blocking temperature. α-Ni(OH)2 shows paramagnetic to superparamagnetic transition whereas β-Ni(OH)2 shows paramagnetic to antiferromagnetic transition as temperature varies from 2 to 50 K.</description><subject>Antiferromagnetism</subject><subject>Complexing agent</subject><subject>Magnetic properties</subject><subject>Magnetic transitions</subject><subject>Magnetometers</subject><subject>Nanostructure</subject><subject>Nickel compounds</subject><subject>Nickel hydroxide</subject><subject>Polymorphism</subject><subject>Superconducting quantum interference devices</subject><subject>Three dimensional flow</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kLtOwzAUhi0EEqXwAkyRWGBI8C2OI7GgiptUUQaYLdc-BkeNU2wHqW9PqjIz_cP5L0cfQpcEVwQTcdtVXd_3FcWUVERIJvgRmhHZsJI3QhyjGWaYl1LW7BSdpdRhjAmXYoYWb8Nm1w9x--VTX_hgRwO26PVngOxNkaMOyWc_hDQdi1d_vXq-oUXQYUg5jiaPEdI5OnF6k-DiT-fo4_HhffFcLldPL4v7ZWkYlbnk06i1rHatoU47B826lgxah0EAGGetXvNWN661GiintWFOW03spFZiYHN0dejdxuF7hJRVN4wxTJOK1pLKWuCWTy56cJk4pBTBqW30vY47RbDaw1Kd2sNSe1jqAGsK3R1CMP3_4yGqZDyEiYWPYLKyg_8v_gvtD3S3</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Gokul, B.</creator><creator>Matheswaran, P.</creator><creator>Pandian, M.</creator><creator>Arun Paul, C.</creator><creator>Ravikumar, K.</creator><creator>Gopala Krishnan, V.</creator><creator>Shkir, Mohd</creator><creator>AlFaify, S.</creator><creator>Sreedevi, Gedi</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20211201</creationdate><title>Polymorphism induced magnetic transitions in Ni(OH)2 nanostructures</title><author>Gokul, B. ; Matheswaran, P. ; Pandian, M. ; Arun Paul, C. ; Ravikumar, K. ; Gopala Krishnan, V. ; Shkir, Mohd ; AlFaify, S. ; Sreedevi, Gedi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-4000dd35f9c2faffe7b583e9f0e6eecfddab49a7f9dae2425c3fada1dc3fd80e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Antiferromagnetism</topic><topic>Complexing agent</topic><topic>Magnetic properties</topic><topic>Magnetic transitions</topic><topic>Magnetometers</topic><topic>Nanostructure</topic><topic>Nickel compounds</topic><topic>Nickel hydroxide</topic><topic>Polymorphism</topic><topic>Superconducting quantum interference devices</topic><topic>Three dimensional flow</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gokul, B.</creatorcontrib><creatorcontrib>Matheswaran, P.</creatorcontrib><creatorcontrib>Pandian, M.</creatorcontrib><creatorcontrib>Arun Paul, C.</creatorcontrib><creatorcontrib>Ravikumar, K.</creatorcontrib><creatorcontrib>Gopala Krishnan, V.</creatorcontrib><creatorcontrib>Shkir, Mohd</creatorcontrib><creatorcontrib>AlFaify, S.</creatorcontrib><creatorcontrib>Sreedevi, Gedi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gokul, B.</au><au>Matheswaran, P.</au><au>Pandian, M.</au><au>Arun Paul, C.</au><au>Ravikumar, K.</au><au>Gopala Krishnan, V.</au><au>Shkir, Mohd</au><au>AlFaify, S.</au><au>Sreedevi, Gedi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polymorphism induced magnetic transitions in Ni(OH)2 nanostructures</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2021-12-01</date><risdate>2021</risdate><volume>539</volume><spage>168364</spage><pages>168364-</pages><artnum>168364</artnum><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>[Display omitted]
•Novel Ni(OH)2 nanostructures were prepared by facile hydrothermal method and reported.•Polymorphism in Ni(OH)2 was induced by varying complexing agents.•C-axis of hexagonal Ni(OH)2 has significant influence on magnetic properties.•Paramagnetic to superparamagnetic transition was observed in α-Ni(OH)2 phase.•Paramagnetic to antiferromagnetic transition was observed in β-Ni(OH)2 phase.
The article describes the impact of complexing agent on the phase changing property of Ni(OH)2 nanostructures (NSs). Ni(OH)2 was prepared by facile hydrothermal method and polymorphism have been obtained by employing two different complexing agent while keeping other parameters constant during synthesis. The α-and β-Ni(OH)2 NSs phase was formed confirmed by XRD and FTIR. FESEM and TEM images reveals that the 3D-flower like α-Ni(OH)2 nanostructure and formation randomly oriented nanopetals of β-Ni(OH)2 NSs. Magnetic features of both α-and β-Ni(OH)2 phases were studied using SQUID magnetometer. α-and β-Ni(OH)2 exhibit blocking temperature at 6 K and 25 K, correspondingly and irreversible hysteresis behavior below blocking temperature. α-Ni(OH)2 shows paramagnetic to superparamagnetic transition whereas β-Ni(OH)2 shows paramagnetic to antiferromagnetic transition as temperature varies from 2 to 50 K.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2021.168364</doi></addata></record> |
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| subjects | Antiferromagnetism Complexing agent Magnetic properties Magnetic transitions Magnetometers Nanostructure Nickel compounds Nickel hydroxide Polymorphism Superconducting quantum interference devices Three dimensional flow |
| title | Polymorphism induced magnetic transitions in Ni(OH)2 nanostructures |
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