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相关论文: DC and AC Magnetization Study of Complex Ilmenite …

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We have measured magnetization M(T,H), electrical resistivity ro(T,H), thermal conductivity k(T,H), and thermopower S(T,H) of polycrystalline samples of Nd1-xEuxNiO3; 0 <= x <= 0.35; as a function of temperature and external magnetic field.…

强关联电子 · 物理学 2007-05-23 V. B. Barbeta , R. F. Jardim , M. T. Escote , N. R. Dilley

In this study we examine the phase transitions in single crystals of [(CH3)2NH2]Co(HCOO)3], using magnetization and specific heat measurements as a function of temperature and magnetic field. Magnetisation measurements indicate a transition…

材料科学 · 物理学 2015-01-28 K. Vinod , C. S. Deepak , Shilpam Sharma , D. Sornadurai , C. S. Sundar , A. Bharathi

Magnetic response of uranium dioxide (UO2) has been investigated through temperature and magnetic field dependent dc magnetization measurements. UO2 is a paramagnet at room temperature. The magnetic susceptibility, however, deviates from…

强关联电子 · 物理学 2021-04-26 Sudip Pal , L. S. Sharath Chandra , M. K. Chattopadhyay , S. B. Roy

Magnetic properties of polycrystalline Sm0.1Ca0.84Sr0.06MnO3 in pristine and metastable states have been investigated in wide range of temperatures and magnetic fields. It was found that below Curie temperature TC = 105 K the pristine state…

强关联电子 · 物理学 2007-05-23 V. Markovich , I. Fita , R. Puzniak , C. Martin , K. Kikoin , A. Wisniewski , S. Hebert , A. Maignan , G. Gorodetsky

We report a detailed single crystal investigation of a magnetoelectric ferrimagnet Cu2OSeO3 using dc magnetization and ac susceptibility along the three principal directions [100], [110] and [111]. We have observed that in small magnetic…

材料科学 · 物理学 2012-05-24 I. Živković , D. Pajić , T. Ivek , H. Berger

The low temperature phase of single crystals of Nd$_{0.5}$Ca$_{0.5}$MnO$_3$ and Gd$_{0.5}$Ca$_{0.5}$MnO$_3$ manganites is investigated by squid magnetometry. Nd$_{0.5}$Ca$_{0.5}$MnO$_3$ undergoes a charge-ordering transition at…

材料科学 · 物理学 2016-08-31 R. Mathieu , P. Nordblad , A. R. Raju , C. N. R. Rao

We report the results of low-temperature measurements of the specific heat Cp(T), ac susceptibility chi(T) and 23Na nuclear magnetic resonance NMR of Na2V3O7. At liquid He temperatures Cp(T)/T exhibits broad field-dependent maxima, which…

强关联电子 · 物理学 2009-11-11 J. L. Gavilano , E. Felder , D. Rau , H. R. Ott , P. Millet , F. Mila , T. Cichorek , A. C. Mota

Sigma-phase Fe47Re53 compound was investigated by means of in-field DC and AC magnetization measurements. Field cooled, MFC, and zero-field cooled, MZFC, DC magnetization curves were recorded in the magnetic field, H, up to 1000 Oe. AC…

强关联电子 · 物理学 2019-07-24 S. M. Dubiel , M. I. Tsindlekht , I. Felner

Anomalous magnetic and transport properties observed in the La0.8-xEuxSr0.2MnO3 (0.04 l.e x l.e. 0.36) compounds are presented in this paper. The Curie temperature (TC) decreases from 260 K for x = 0.04 to 188 K for x = 0.16 and…

强关联电子 · 物理学 2008-04-03 Rakesh Kumar , C. V. Tomy , P. L. Paulose , R. Nagarajan , S. K. Malik

Magnetization measurements were carried out in the in field-cooled (FC) and in zero-field-cooled (ZFC) conditions versus temperature, T, and external magnetic field, H, on a sigma-phase Fe47Mo53 compound. Analysis of the measured M_FC and…

强关联电子 · 物理学 2019-03-27 Stanisław M. Dubiel , Maria Bałanda , Israel Felner

We report ac electrical transport in La0.7Sr0.3CoO3 and La1-xSrxMnO3 (x = 0.18- 0.5) as a function of temperature and frequency in H = 0 and 60 mT. Both resistive (R) and reactive (X) components of impedance (Z = R+jX) were measured. It is…

材料科学 · 物理学 2009-02-12 A. Rebello , C. L. Tan , R. Mahendiran

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite TbBaCo2O5.5 in the temperature range of 7-370 K. There have been observed several magnetic or structural transitions. Among these, the…

强关联电子 · 物理学 2009-11-10 Minoru Soda , Yukio Yasui , Toshiaki Fujita , Takeshi Miyashita , Masatoshi Sato , Kazuhisa Kakurai

Magnetization measurements and time-of-flight neutron powder-diffraction studies on the high-temperature (300--980 K) magnetism and crystal structure (321--1200 K) of a pulverized YCrO$_3$ single crystal have been performed.…

The magnetic susceptibility $\chi$, the magnetization $M$, and the specific heat $C$ were measured for the caged cubic compound NdRu$_2$Zn$_{20}$ at temperatures down to 0.5 K in the magnetic field $H$ along the three crystallographic…

强关联电子 · 物理学 2015-06-17 Yosikazu Isikawa , Jun-ichi Ejiri , Toshio Mizushima , Tomohiko Kuwai

The static magnetic and dynamic properties of the compound (NH3)2(CH2)3CoCl4 are investigated in the temperature interval 0.5-50 K. It is shown that at TN =2.05 K this compound undergoes a transition to a magnetically ordered…

材料科学 · 物理学 2009-11-11 A. S. Cherny , K. G. Dergachev , M. I. Kobets , E. N. Khatsko

The pressure dependence of the Curie temperature T$_{C}(P)$ in La$_{0.75}$Ca$_{0.25}$MnO$_{3}$ was determined by neutron diffraction up to 8 GPa, and compared with the metallization temperature T$_{IM}(P)$ \cite{irprl}. The behavior of the…

强关联电子 · 物理学 2012-01-12 M. Baldini , L. Capogna , M. Capone , E. Arcangeletti , C. Petrillo , I. Goncharenko , P. Postorino

Calcium ruthenate ($CaRuO_3$) is widely believed to be located close to a quantum critical point due to the strong non-Fermi-liquid behavior expressed in the temperature dependence of electronic transport, specific heat, optical…

强关联电子 · 物理学 2018-10-23 I. M. Bradarić , V. M. Matić , I. Savić , Hugo Keller

(In1-xFex)2O3 polycrystalline samples with x = (0.0, 0.05, 0.10, 0.15, 0.20 and 0.25) have been synthesized by a gel combustion method. Reitveld refinement analysis of X raydiffraction data indicated the formation of single phase cubic…

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…

强关联电子 · 物理学 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

The magnetic properties of polycrystalline Tb(Co_{x}Ni_{1-x})_{2}B_{2}C (x=0.2,0.4,0.6,0.8) samples were probed by magnetization, specific heat, ac susceptibility, and resistivity techniques. For x{\neq}0.4, the obtained curves are…

强关联电子 · 物理学 2015-05-12 M. ElMassalami , H. Takeya , A. M. Gomes , T. Paiva , R. R. dos Santos
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