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http://hdl.handle.net/1942/30119
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DC Field | Value | Language |
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dc.contributor.author | CHAKRABORTY, Tanmoy | - |
dc.contributor.author | Mitra, Chiranjib | - |
dc.date.accessioned | 2019-12-11T10:17:54Z | - |
dc.date.available | 2019-12-11T10:17:54Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | JOURNAL OF PHYSICS-CONDENSED MATTER, 31(47) (Art N° 475802) | - |
dc.identifier.uri | http://hdl.handle.net/1942/30119 | - |
dc.description.abstract | Recent research dealing with magnetocaloric effect (MCE) study of antiferromagnetic (AFM) low dimensional spin systems have revealed a number of fascinating ground-state crossover characteristics upon application of external magnetic field. Herein, through MCI' investigation we have explored field-induced quantum level-crossing characteristics of one such spin system: NH4CuPO4 center dot H2O (NCP), an AFM spin 1/2 dimer. Experimental magnetization and specific heat data are presented and the data have been employed to evaluate entropy, magnetic energy and magnetocaloric properties. We witness a sign change in magnetic Grtineisen parameter across the level-crossing field B-C. An adiabatic cooling is observed at low temperature by tracing the isentropic curves in temperature-magnetic field plane. Energy-level crossover characteristics in NCP interpreted through MCE analysis are well consistent with the observations made from magnetization and specific heat data. | - |
dc.description.sponsorship | The authors would like to thank the Ministry of Human Resource Development (MHRD), Government of India, for funding. | - |
dc.language.iso | en | - |
dc.publisher | IOP PUBLISHING LTD | - |
dc.rights | 2019 IOP Publishing Ltd | - |
dc.subject.other | quantum level-crossing | - |
dc.subject.other | magnetocaloric effect (MCE) | - |
dc.subject.other | magnetization | - |
dc.subject.other | specific heat | - |
dc.title | Magnetocaloric effect as a signature of quantum level-crossing for a spin-gapped system | - |
dc.type | Journal Contribution | - |
dc.identifier.issue | 47 | - |
dc.identifier.volume | 31 | - |
local.format.pages | 6 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Chakraborty, Tanmoy; Mitra, Chiranjib] Indian Inst Sci Educ & Res, Nadia 741246, W Bengal, India. [Chakraborty, Tanmoy] Hasselt Univ, Inst Mat Res IMO, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. | - |
local.publisher.place | BRISTOL | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.bibliographicCitation.artnr | 475802 | - |
dc.identifier.doi | 10.1088/1361-648X/ab3962 | - |
dc.identifier.isi | 000482575600001 | - |
item.validation | ecoom 2020 | - |
item.fulltext | With Fulltext | - |
item.fullcitation | CHAKRABORTY, Tanmoy & Mitra, Chiranjib (2019) Magnetocaloric effect as a signature of quantum level-crossing for a spin-gapped system. In: JOURNAL OF PHYSICS-CONDENSED MATTER, 31(47) (Art N° 475802). | - |
item.accessRights | Restricted Access | - |
item.contributor | CHAKRABORTY, Tanmoy | - |
item.contributor | Mitra, Chiranjib | - |
crisitem.journal.issn | 0953-8984 | - |
crisitem.journal.eissn | 1361-648X | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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chakrabortry 1.pdf Restricted Access | Published version | 1.12 MB | Adobe PDF | View/Open Request a copy |
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