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We investigate electron correlation effects in stoichiometric Titanium Nitride (TiN) using a combination of electronic structure and many-body calculations. In a first step, the Nth-order muffin tin orbital technique is used to obtain…

Strongly Correlated Electrons · Physics 2015-05-13 H. Allmaier , L. Chioncel , E. Arrigoni

A member of the RMn$_6$Sn$_6$ rare-earth family materials, TbMn$_6$Sn$_6$, recently showed experimental signatures of the realization of a quantum-limit Chern magnet. In this work, we use quantum Monte Carlo (QMC) and density functional…

Strongly Correlated Electrons · Physics 2023-09-29 Abdulgani Annaberdiyev , Subhasish Mandal , Lubos Mitas , Jaron T. Krogel , Panchapakesan Ganesh

Chemical interaction and changes in local electronic structure of Cr, Fe, Co, Ni and Cu transition metals (TMs) upon formation of an $Al_{8}Co_{17}Cr_{17}Cu_{8}Fe_{17}Ni_{33}$ compositionally complex alloy (CCA) have been studied by X-ray…

The electronic structure of anti-ferromagnetic $Cr_{2}As$ is investigated. Anisotropy of exchange interactions between chrome sub-lattices is determined ($J^{X}(Cr_{I}-Cr_{II}) =4.77 meV,J^{Y}(Cr_{I}-Cr_{II}) =-6.36 meV$). The behavior of…

Materials Science · Physics 2019-02-12 V. I. Valkov , A. V. Golovchan , U. Aparajita , O. Roslyak

In Uranium-based heavy fermion system, the 5f electrons display an intermediate character between partial localization and partial itinerancy, which makes the Kondo problem more complicated. Here we use scanning tunneling…

Strongly Correlated Electrons · Physics 2021-12-15 W. Feng , D. H. Xie , X. B. Luo , S. Y. Tan , Y. Liu , Q. Liu , Q. Q. Hao , X. G. Zhu , Q. Zhang , Y. Zhang , Q. Y. Chen , X. C. Lai

We investigated magnetic, magnetotransport and magnetostriction properties of the A-type antiferromagnet Pr$_{0.46}$Sr$_{0.54}$MnO$_3$ which undergoes a first order paramagnetic-antiferromagnetic transition below T$_N$ = 210 K while cooling…

The physical properties of itinerant antiferromagnetic (AFM) SrCr$_2$As$_2$ with body-centered tetragonal ThCr$_2$Si$_2$ structure were investigated in single crystalline and polycrystalline forms by electrical resistivity $\rho$, heat…

Strongly Correlated Electrons · Physics 2022-04-20 Q. -P. Ding , Santanu Pakhira , N. S. Sangeetha , E. H. Krenkel , E. I. Timmons , M. A. Tanatar , R. Prozorov , D. C. Johnston , Y. Furukawa

The intersection between nonsymmorphic symmetry and electronic correlations has emerged as a platform for topological Kondo semimetallic states and unconventional spin textures. Here we report the synthesis of nonsymmorphic…

Strongly Correlated Electrons · Physics 2024-12-17 Sanu Mishra , Caitlin S. Kengle , Joe D. Thompson , Allen O. Scheie , Sean. M. Thomas , Filip Ronning , Priscila F. S. Rosa

We report very highly resolved photoemission spectra of NiS(1-x)Se(x) across the so-called metal-insulator transition as a function of temperature as well as composition. The present results convincingly demonstrate that the low…

Strongly Correlated Electrons · Physics 2009-10-31 D. D. Sarma , S. R. Krishnakumar , Nirmala Chandrasekharan , E. Weschke , C. Schüßler-Langeheine , L. Kilian , G. Kaindl

In this paper, a theoretical journey from electronic to magneto-caloric effect has been shown through the magnetic properties of aluminium induced yttrium chromate. The ground state electronic band structure and density of states have been…

Materials Science · Physics 2021-09-21 Tushar Kanti Bhowmik , Tripurari Prasad Sinha

We report on the longitudinal magnetoresistance (MR) in thin metal films on an Ising-type antiferromagnetic insulator, Na5Co15.5Te6O36 (NCTO). Steep changes in the MR spectra with hysteresis were observed at spin-flip transitions driven by…

Strongly Correlated Electrons · Physics 2026-05-04 Hirotsugu Tagami , Takuya Kawada , Yuki Shiomi

We present a comprehensive $^{31}$P and $^{65}$Cu nuclear magnetic resonance (NMR) study of the layered van der Waals magnet CuCrP$_2$S$_6$. The compound exhibits a sequence of structural and magnetic phase transitions: a high-temperature…

Strongly Correlated Electrons · Physics 2026-04-06 C. S. Saramgi , L. F. Prager , S. Selter , Y. Shemerliuk , S. Aswartham , B. Büchner , H. -J. Grafe , K. M. Ranjith

GdNi is a ferrimagnetic material with a Curie temperature Tc = 69 K which exhibits a large magnetocaloric effect, making it useful for magnetic refrigerator applications. We investigate the electronic structure of GdNi by carrying out x-ray…

Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 single-crystals. U3Cu3Sn4 was confirmed to be a heavy-fermion antiferromagnet (TN=13(1) K) with a low…

Strongly Correlated Electrons · Physics 2009-10-31 L. Shlyk , P. Estrela , J. C. Waerenborgh , L. E. De Long , A. de Visser , D. P. Rojas , F. Gandra , M. Almeida

We have studied the thermal, magnetic, and electrical properties of the ternary intermetallic system CeNiGe$_{3}$ by means of specific heat, magnetization, and resistivity measurements. The specific heat data, together with the anisotropic…

Strongly Correlated Electrons · Physics 2015-05-19 E. D. Mun , S. L. Bud'ko , A. Kreyssig , P. C. Canfield

Heavy fermions represent an archetypal example of strongly correlated electron systems which, due to entanglement among different interactions, often exhibit exotic and fascinating physics involving Kondo screening, magnetism and…

Strongly Correlated Electrons · Physics 2018-05-16 W. Zhou , C. Q. Xu , B. Li , R. Sankar , F. M. Zhang , B. Qian , C. Cao , J. H. Dai , Jianming Lu , Xiaofeng Xu

Chromium antimonide has emerged as a key material platform for studying altermagnetism because of its simple binary composition, high N\'eel temperature, and semimetallic electronic structure. Here, we investigate electrical and thermal…

Colossal electroresistance (CER) has been observed in the ferromagnetic insulating (FMI) state of a manganite. Notably, the CER in the FMI state occurs in the absence of magnetoresistance (MR). Measurements of electroresistance (ER) and…

Strongly Correlated Electrons · Physics 2009-11-13 Himanshu Jain , A. K. Raychaudhuri , Nilotpal Ghosh , H. L. Bhat

Heterointerfaces have led to the discovery of novel electronic and magnetic states because of their strongly entangled electronic degrees of freedom. Single-phase chromium compounds always exhibit antiferromagnetism following the prediction…

Ce$_{2}$$M$Al$_{7}$Ge$_{4}$ ($M=$ Co, Ir, Ni or Pd) are heavy-fermion materials and host a variety of ground states ranging from magnetism to non-Fermi liquid behavior. The Co, Ir, and Ni members of the series undergo magnetic ordering with…

Strongly Correlated Electrons · Physics 2025-05-23 M. O. Ajeesh , A. O. Scheie , Yu Liu , L. Keller , S. M. Thomas , P. F. S. Rosa , E. D. Bauer