Abstract：
:Room-temperature ferromagnetism in Mn-doped chalcopyrites is a desire aspect when applying those materials to spin electronics. However, dominance of high Curie-temperatures due to cluster formation or inhomogeneities limited their consideration. Here we report how an external perturbation such as applied hydrostatic pressure in CdGeP₂:Mn induces a two serial magnetic transitions from ferromagnet to non-magnet state at room temperature. This effect is related to the unconventional properties of created MnP magnetic clusters within the host material. Such behavior is also discussed in connection with ab initio density functional calculations, where the structural properties of MnP indicate magnetic transitions as function of pressure as observed experimentally. Our results point out new ways to obtain controlled response of embedded magnetic clusters.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Arslanov TR,Mollaev AY,Kamilov IK,Arslanov RK,Kilanski L,Minikaev R,Reszka A,López-Moreno S,Romero AH,Ramzan M,Panigrahi P,Ahuja R,Trukhan VM,Chatterji T,Marenkin SF,Shoukavaya TVdoi
10.1038/srep07720subject
Has Abstractpub_date
2015-01-12 00:00:00pages
7720issn
2045-2322pii
srep07720journal_volume
5pub_type
杂志文章abstract：:Diagnosis of sleep apnea (SA) using simple tools has the potential to improve the efficacy of cardiac implants in the prevention of cardiac arrhythmias. The aim of the present study was to validate a transthoracic impedance sensor for SA diagnosis in patients with cardiac implants. We compared the apnea-hypopnea index...
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pub_type： 杂志文章,meta分析
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pub_type： 已发布勘误
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