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Single crystals of CrSbSe$_3$, a structurally pseudo-one-dimensional ferromagnetic semiconductor, were grown using a high-temperature solution growth technique and were characterized by x-ray diffraction, anisotropic, temperature- and…

Materials Science · Physics 2018-01-24 Tai Kong , Karoline Stolze , Ni Danrui , Satya K. Kushwaha , Robert J. Cava

The Ruthenium based perovskites exhibit a wide variety of interesting collective phenomena related to magnetism originating from the Ru 4d electrons. Much remains unknown concerning the nature of magnetic fluctuations and excitations in…

Strongly Correlated Electrons · Physics 2009-11-11 M. B. Stone , M. D. Lumsden , R. Jin , B. C. Sales , Y. Qiu , D. Mandrus , S. E. Nagler

Evolution of magnetism in single crystals of the van der Waals compound VI3 in external pressure up to 7.3 GPa studied by measuring magnetization and ac magnetic susceptibility is reported. Four magnetic phase transitions, at T1 = 54.5 K,…

Bimetal transition iodides in two-dimensional scale provide an interesting idea to combine a set of single-transition-metal ferromagnetic semiconductors together. Motivated by structural engineering on bilayer CrI$_3$ to tune its magnetism…

Materials Science · Physics 2020-12-10 Yulu Ren , Qiaoqiao Li , Wenhui Wan , Yong Liu , Yanfeng Ge

We report high-resolution angle-resolved photoemission studies of epitaxial thin films of the correlated 4d transition metal oxide ferromagnet SrRuO3. The Fermi surface in the ferromagnetic state consists of well-defined Landau…

Strongly Correlated Electrons · Physics 2013-03-13 D. E. Shai , C. Adamo , D. W. Shen , C. M. Brooks , J. W. Harter , E. J. Monkman , B. Burganov , D. G. Schlom , K. M. Shen

Magnetic phase transitions often occur spontaneously at specific critical temperatures. The presence of more than one critical temperature (Tc) has been observed in several compounds where the coexistence of competing magnetic orders…

The structural, electrical transport and magnetic properties of perovskite oxides La1-xTexMnO3 have been investigated and thus the magnetic phase diagram of La1-xTexMnO3 compounds as a function of temperature and the doping level x has been…

Strongly Correlated Electrons · Physics 2007-05-23 J. Yang , W. H. Song , Y. Q. Ma , R. L. Zhang , B. C. Zhao , Z. G. Sheng , G. H. Zheng , J. M. Dai , Y. P. Sun

Through advanced experimental techniques on CrI$_{3}$ single crystals, we derive a previously not discussed pressure-temperature phase diagram. We find that $T_{c}$ increases to $\sim$ 66\,K with pressure up to $\sim$ 3\,GPa followed by a…

We present a coordinated study of the paramagnetic-to-antiferromagnetic, rhombohedral-to-monoclinic, and metal-to-insulator transitions in thin-film specimens of the classic Mott insulator V$_2$O$_3$ using low-energy muon spin relaxation,…

The theoretical description of the nanostructured Pb(Fe1/2Ta1/2)x(Zr1/2Ti1/2)1-xO3 (PFTx-PZT(1-x)) and Pb(Fe1/2Nb1/2)x(Zr1/2Ti1/2)1-xO3 (PFNx-PZT(1-x)) intriguing ferromagnetic, ferroelectric and magnetoelectric properties at temperatures…

Materials Science · Physics 2015-06-19 Maya D. Glinchuk , Eugene A. Eliseev , Anna N. Morozovska

In this study we report the results of study of novel ternary $Np_2PtGa_3$ compound. The x-ray-powder diffraction analysis reveals that the compound crystallizes in the orthorhombic CeCu$_2$-type crystal structure (space group Imma) with…

Strongly Correlated Electrons · Physics 2014-12-08 V. H. Tran , J. -C. Griveau , R. Eloirdi , E. Colineau

Atomically thin magnets are the key element to build up spintronics based on two-dimensional materials. The surface nature of two-dimensional ferromagnet opens up opportunities to improve the device performance efficiently. Here, we report…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Zhaowei Zhang , Jingzhi Shang , Chongyun Jiang , Abdullah Rasmita , Weibo Gao , Ting Yu

We report the growth of large high quality crystals of the frustrated magnet, Pr2Zr2O7 by the floating zone technique. Several crystals have been produced starting with varying levels of excess of Pr6O11 to compensate for the loss of Pr2O3…

Materials Science · Physics 2016-11-09 M. Ciomaga Hatnean , C. Decorse , M. R. Lees , O. A. Petrenko , D. S. Keeble , G. Balakrishnan

The robust field-insensitive heavy fermion features in Sm$_3$Ru$_4$Ge$_{13}$ and the magnetic phase transition at $T_N \approx$ 5~K are studied using magnetization $M(T)$, specific heat $C_p(T)$, resistivity $\rho(T)$ and thermal…

Strongly Correlated Electrons · Physics 2016-02-03 Harikrishnan S. Nair , Kumar K. Ramesh , Douglas Britz , Sarit K. Ghosh , Christian Reinke , A. M. Strydom

The octahedral tilting and ferroelectric-like structural transition of LiOsO3 metallic perovskite [Nature Materials 12, 1024 (2013)] was examined using first-principles density-functional theory. In LiOsO3, a-a-a- octahedral titling mode is…

Materials Science · Physics 2015-06-17 Hyunsu Sim , Bog G. Kim

We have recently predicted and subsequently verified experimentally by specific heat measurements that EuTiO3 undergoes a structural phase transition at elevated temperature TS = 282 K. The origin of the phase transition has been attributed…

Materials Science · Physics 2012-05-25 J. Köhler , R. Dinnebier , A. Bussmann-Holder

An effective Hamiltonian for the ferroelectric transition in $PbTiO_3$ is constructed from first-principles density-functional-theory total-energy and linear-response calculations through the use of a localized, symmetrized basis set of…

mtrl-th · Physics 2009-10-28 K. M. Rabe , U. V. Waghmare

A monoclinic phase was recently discovered near the morphotropic phase boundary in several high-performance piezoelectric perovskite solid solutions, but its properties have not been reported. In this paper the dielectric, piezo- and…

Materials Science · Physics 2016-08-31 A. A. Bokov , Z. -G. Ye

NiBi3 polycrystals were synthesized via a solid state method. X-ray diffraction analysis shows that the main phase present in the sample corresponds to NiBi3 in a weight fraction of 96.82 % according to the refinement of the crystalline…

The results of ac and dc magnetic susceptibility isothermal magnetization and heat-capacity measurements as a function of temperature (T) are reported for Sr3NiRhO6 and Sr3NiPtO6 containing magnetic chains arranged in a triangular fashion…

Strongly Correlated Electrons · Physics 2009-11-13 Niharika Mohapatra , Kartik K Iyer , Sudhindra Rayaprol , E. V. Sampathkumaran