Magnetic properties of HoCoC2, HoNiC2 and their solid solutions
Magnetic properties of single crystalline HoCoC2 and the evolution of magnetic and structural features in a series of polycrystalline solid solutions HoCo1−xNixC2(0⩽x⩽1) are investigated by means of X-ray diffraction, magnetization, magnetic susceptibility and specific heat measurements. The crystal...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2017-11, Vol.441, p.69-75 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Michor, H. Steiner, S. Schumer, A. Hembara, M. Levytskyy, V. Babizhetskyy, V. Kotur, B. |
| description | Magnetic properties of single crystalline HoCoC2 and the evolution of magnetic and structural features in a series of polycrystalline solid solutions HoCo1−xNixC2(0⩽x⩽1) are investigated by means of X-ray diffraction, magnetization, magnetic susceptibility and specific heat measurements. The crystal structures of all investigated samples refers to the CeNiC2-type structure (space group Amm2 and Pearson symbol oS8). Non-isoelectronic substitution of Co by Ni causes a non-linear increase of the unit cell volume and especially a non-monotonous variation of the a and c lattice parameters as well as a pronounced reduction of the C–C bond length of carbon dimers. Temperature dependent magnetization and specific heat measurements reveal a crossover from a ferromagnetic for HoCoC2 with TC=10.6(1)K to an antiferromagnetic ground state for HoNiC2 with TN=2.78(6)K and a non-monotonous variation of the magnetic ordering temperature with a minimum at intermediate compositions. Crystalline electric field effects of HoCoC2 and HoNiC2 are analysed using combined thermodynamic and magnetic susceptibility data. The electrical resistivity of HoNiC2 displays a distinct anomaly near room temperature which indicates the formation of a charge density wave (CDW) state as earlier reported for several other rare earth nickel dicarbides. |
| doi_str_mv | 10.1016/j.jmmm.2017.05.038 |
| format | Article |
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The crystal structures of all investigated samples refers to the CeNiC2-type structure (space group Amm2 and Pearson symbol oS8). Non-isoelectronic substitution of Co by Ni causes a non-linear increase of the unit cell volume and especially a non-monotonous variation of the a and c lattice parameters as well as a pronounced reduction of the C–C bond length of carbon dimers. Temperature dependent magnetization and specific heat measurements reveal a crossover from a ferromagnetic for HoCoC2 with TC=10.6(1)K to an antiferromagnetic ground state for HoNiC2 with TN=2.78(6)K and a non-monotonous variation of the magnetic ordering temperature with a minimum at intermediate compositions. Crystalline electric field effects of HoCoC2 and HoNiC2 are analysed using combined thermodynamic and magnetic susceptibility data. The electrical resistivity of HoNiC2 displays a distinct anomaly near room temperature which indicates the formation of a charge density wave (CDW) state as earlier reported for several other rare earth nickel dicarbides.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2017.05.038</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Charge density ; Charge density wave ; Chemical elements ; Composition effects ; Crystal structure ; Crystalline electric field ; Crystallinity ; Dimers ; Electromagnetism ; Ferromagnetism ; Heat capacity ; Holmium compounds ; Lattice parameters ; Magnetic permeability ; Magnetic properties ; Magnetization ; Nickel ; Rare earth elements ; Rare-earth transition metal carbides ; Solid solutions ; Specific heat ; Studies ; Temperature</subject><ispartof>Journal of magnetism and magnetic materials, 2017-11, Vol.441, p.69-75</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Nov 1, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmmm.2017.05.038$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Michor, H.</creatorcontrib><creatorcontrib>Steiner, S.</creatorcontrib><creatorcontrib>Schumer, A.</creatorcontrib><creatorcontrib>Hembara, M.</creatorcontrib><creatorcontrib>Levytskyy, V.</creatorcontrib><creatorcontrib>Babizhetskyy, V.</creatorcontrib><creatorcontrib>Kotur, B.</creatorcontrib><title>Magnetic properties of HoCoC2, HoNiC2 and their solid solutions</title><title>Journal of magnetism and magnetic materials</title><description>Magnetic properties of single crystalline HoCoC2 and the evolution of magnetic and structural features in a series of polycrystalline solid solutions HoCo1−xNixC2(0⩽x⩽1) are investigated by means of X-ray diffraction, magnetization, magnetic susceptibility and specific heat measurements. The crystal structures of all investigated samples refers to the CeNiC2-type structure (space group Amm2 and Pearson symbol oS8). Non-isoelectronic substitution of Co by Ni causes a non-linear increase of the unit cell volume and especially a non-monotonous variation of the a and c lattice parameters as well as a pronounced reduction of the C–C bond length of carbon dimers. Temperature dependent magnetization and specific heat measurements reveal a crossover from a ferromagnetic for HoCoC2 with TC=10.6(1)K to an antiferromagnetic ground state for HoNiC2 with TN=2.78(6)K and a non-monotonous variation of the magnetic ordering temperature with a minimum at intermediate compositions. Crystalline electric field effects of HoCoC2 and HoNiC2 are analysed using combined thermodynamic and magnetic susceptibility data. The electrical resistivity of HoNiC2 displays a distinct anomaly near room temperature which indicates the formation of a charge density wave (CDW) state as earlier reported for several other rare earth nickel dicarbides.</description><subject>Charge density</subject><subject>Charge density wave</subject><subject>Chemical elements</subject><subject>Composition effects</subject><subject>Crystal structure</subject><subject>Crystalline electric field</subject><subject>Crystallinity</subject><subject>Dimers</subject><subject>Electromagnetism</subject><subject>Ferromagnetism</subject><subject>Heat capacity</subject><subject>Holmium compounds</subject><subject>Lattice parameters</subject><subject>Magnetic permeability</subject><subject>Magnetic properties</subject><subject>Magnetization</subject><subject>Nickel</subject><subject>Rare earth elements</subject><subject>Rare-earth transition metal carbides</subject><subject>Solid solutions</subject><subject>Specific heat</subject><subject>Studies</subject><subject>Temperature</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNotkEtLxDAUhYMoOD7-gKuCW1tvmkdTEESKOsKoG12HTHKrKTPN2GT8_aaMm3s2h3M_PkKuKFQUqLwdqmG73VY10KYCUQFTR2RBVcNK3kh5TBbAgJdKCXZKzmIcAIByJRfk_tV8jZi8LXZT2OGUPMYi9MUydKGrb3K--a4uzOiK9I1-KmLYeDffffJhjBfkpDebiJf_eU4-nx4_umW5en9-6R5WJdZMplJxpowRoFytpFFgJVOioaqlpqaWg8XeWZQO12vBRc9qBxIls5nRrV3r2Dm5PuxmzJ89xqSHsJ_G_FLTVkKrGG9obt0dWphRfj1OOlqPo0XnJ7RJu-A1BT0r04OelelZmQahszL2Bz8eX5s</recordid><startdate>20171101</startdate><enddate>20171101</enddate><creator>Michor, H.</creator><creator>Steiner, S.</creator><creator>Schumer, A.</creator><creator>Hembara, M.</creator><creator>Levytskyy, V.</creator><creator>Babizhetskyy, V.</creator><creator>Kotur, B.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20171101</creationdate><title>Magnetic properties of HoCoC2, HoNiC2 and their solid solutions</title><author>Michor, H. ; Steiner, S. ; Schumer, A. ; Hembara, M. ; Levytskyy, V. ; Babizhetskyy, V. ; Kotur, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e236t-8438aa508d286a80c638571891a21c40cefdce6debb545f32d06e63c486dbd9d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Charge density</topic><topic>Charge density wave</topic><topic>Chemical elements</topic><topic>Composition effects</topic><topic>Crystal structure</topic><topic>Crystalline electric field</topic><topic>Crystallinity</topic><topic>Dimers</topic><topic>Electromagnetism</topic><topic>Ferromagnetism</topic><topic>Heat capacity</topic><topic>Holmium compounds</topic><topic>Lattice parameters</topic><topic>Magnetic permeability</topic><topic>Magnetic properties</topic><topic>Magnetization</topic><topic>Nickel</topic><topic>Rare earth elements</topic><topic>Rare-earth transition metal carbides</topic><topic>Solid solutions</topic><topic>Specific heat</topic><topic>Studies</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Michor, H.</creatorcontrib><creatorcontrib>Steiner, S.</creatorcontrib><creatorcontrib>Schumer, A.</creatorcontrib><creatorcontrib>Hembara, M.</creatorcontrib><creatorcontrib>Levytskyy, V.</creatorcontrib><creatorcontrib>Babizhetskyy, V.</creatorcontrib><creatorcontrib>Kotur, B.</creatorcontrib><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>Michor, H.</au><au>Steiner, S.</au><au>Schumer, A.</au><au>Hembara, M.</au><au>Levytskyy, V.</au><au>Babizhetskyy, V.</au><au>Kotur, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic properties of HoCoC2, HoNiC2 and their solid solutions</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2017-11-01</date><risdate>2017</risdate><volume>441</volume><spage>69</spage><epage>75</epage><pages>69-75</pages><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>Magnetic properties of single crystalline HoCoC2 and the evolution of magnetic and structural features in a series of polycrystalline solid solutions HoCo1−xNixC2(0⩽x⩽1) are investigated by means of X-ray diffraction, magnetization, magnetic susceptibility and specific heat measurements. The crystal structures of all investigated samples refers to the CeNiC2-type structure (space group Amm2 and Pearson symbol oS8). Non-isoelectronic substitution of Co by Ni causes a non-linear increase of the unit cell volume and especially a non-monotonous variation of the a and c lattice parameters as well as a pronounced reduction of the C–C bond length of carbon dimers. Temperature dependent magnetization and specific heat measurements reveal a crossover from a ferromagnetic for HoCoC2 with TC=10.6(1)K to an antiferromagnetic ground state for HoNiC2 with TN=2.78(6)K and a non-monotonous variation of the magnetic ordering temperature with a minimum at intermediate compositions. Crystalline electric field effects of HoCoC2 and HoNiC2 are analysed using combined thermodynamic and magnetic susceptibility data. The electrical resistivity of HoNiC2 displays a distinct anomaly near room temperature which indicates the formation of a charge density wave (CDW) state as earlier reported for several other rare earth nickel dicarbides.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2017.05.038</doi><tpages>7</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Charge density Charge density wave Chemical elements Composition effects Crystal structure Crystalline electric field Crystallinity Dimers Electromagnetism Ferromagnetism Heat capacity Holmium compounds Lattice parameters Magnetic permeability Magnetic properties Magnetization Nickel Rare earth elements Rare-earth transition metal carbides Solid solutions Specific heat Studies Temperature |
| title | Magnetic properties of HoCoC2, HoNiC2 and their solid solutions |
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