Critical behavior in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state

doi:10.1039/c6cp08020k

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	Critical behavior in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state
	Kan, X. C.1,2; Wang, B. S.1; Zhang, L.3 ; Zu, L.1,2; Lin, S.1 ; Lin, J. C.1; Tong, P.1 ; Song, W. H.1; Sun, Y. P.1,3,4
	2017-06-07
发表期刊	PHYSICAL CHEMISTRY CHEMICAL PHYSICS
摘要	Tetragonal GeNFe3 has a second-order ferromagnetic (FM) to paramagnetic transition at 76 K. Our integrated investigations indicate that the ground FM state is frustrated and the tetragonal symmetry is retained below 550 K based on the results of variable temperature X-ray diffraction. Critical behavior was analyzed by a systematic bulk magnetization study. The estimated critical exponents by three different methods (modified Arrott plot, the Kouvel-Fisher method, and critical isotherm analysis) conformably suggest that long-range magnetic coupling described by mean-field (MF) theoretical model is dominant in GeNFe3. The experimental M-T-H data collapse into two independent branches according to the scaling equations m = f(+/-)(h) with the renormalized magnetization m = epsilon M-beta(H, epsilon) and the magnetic field h = H epsilon(-(beta+gamma)). The exchange distance is estimated as J(r) similar to r(-4.8) on the basis of the beta and gamma values, which lies between the long-range MF model (r(-4.5)) and the short-range 3D Heisenberg (3DH) model (r(-5)). Our results indicate that the competition between local magnetic moments of iron 3d electronic state and itinerant covalent interactions of N-Fe bonds should be responsible for critical behavior in this system.
文章类型	Article
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1039/c6cp08020k
关键词[WOS]	MAGNETIC-STRUCTURE ; TRANSITION ; NITRIDES ; PHASE
收录类别	SCI
语种	英语
项目资助者	National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; National Natural Science Foundation of China(51371005 ; 51171177 ; 51171177 ; 51171177 ; 51171177 ; 51171177 ; 51171177 ; 51171177 ; 51171177 ; 11174288 ; 11174288 ; 11174288 ; 11174288 ; 11174288 ; 11174288 ; 11174288 ; 11174288 ; 51301167 ; 51301167 ; 51301167 ; 51301167 ; 51301167 ; 51301167 ; 51301167 ; 51301167 ; 11174295) ; 11174295) ; 11174295) ; 11174295) ; 11174295) ; 11174295) ; 11174295) ; 11174295)
WOS研究方向	Chemistry ; Physics
WOS类目	Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS记录号	WOS:000402488300035
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/31886
专题	中科院固体物理研究所
作者单位	1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China 4.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Kan, X. C.,Wang, B. S.,Zhang, L.,et al. Critical behavior in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2017,19(21):13703-13709.
APA	Kan, X. C..,Wang, B. S..,Zhang, L..,Zu, L..,Lin, S..,...&Sun, Y. P..(2017).Critical behavior in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,19(21),13703-13709.
MLA	Kan, X. C.,et al."Critical behavior in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 19.21(2017):13703-13709.

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