中文
相关论文

相关论文: Structural and electronic properties of rare earth…

200 篇论文

Using density functional theory plus self-consistent Hubbard $U$ (DFT$+U_{sc}$) calculations, we have investigated the structural and electronic properties of the rare-earth cobaltites \textit{R}CoO$_3$ (\textit{R} = Pr -- Lu). Our…

强关联电子 · 物理学 2016-07-27 M. Topsakal , C. Leighton , R. M. Wentzcovitch

The perovskite rare-earth (RE) chromite series (RE)CrO3 (RE = La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Y, Ho, Er, Tm, Yb, Lu) has been synthesized in our laboratory using microwave techniques. In this work we will demonstrate how X-ray…

材料科学 · 物理学 2014-09-22 Rainer Schmidt , Jesus Prado-Gonjal , David Avila , Ulises Amador , Emilio Moran

Perovskite oxides are promising for energy and quantum technologies, but wide-gap hosts such as NaAlO3 suffer from deep-UV absorption and limited carrier transport. Using first-principles GGA+U+SOC calculations, we investigate Eu3+-, Gd3+-,…

材料科学 · 物理学 2025-10-10 Muhammad Imran , Sikander Azam , Qaiser Rafiq , Amin Ur Rahman

We report on the electronic structure of the perovskite oxide CaCrO3 using valence-band, core-level, and Cr 2p - 3d resonant photoemission spectroscopy (PES). Despite its antiferromagnetic order, a clear Fermi edge characteristic of a metal…

We report here the structural, micro-structural/morphological and detailed magnetic properties of RECrO3 (RE = La, Nd, Sm, Eu and Gd) Orthocromites. A series of RECrO3 (RE = La, Nd, Sm, Eu and Gd) Orthocromites polycrystalline samples with…

材料科学 · 物理学 2024-09-24 Anurag Yadav , Anuj Kumar

The electronic, elastic, structural, thermoelectric and optical parameters of the Pb-based cubic perovskites $PbREO_3\; (RE=Ce,\; Gd,\; Nd)$ were calculated using the WIEN2k Package. The mechanical optimization and structural stabilities…

材料科学 · 物理学 2022-11-15 M Agouri , A Waqdim , A Abbassi , S Taj , B Manaut , M Driouich

In this paper, we investigate the influence of the rare earth element (R) on the physical properties of RVO3 (R = Er, Ho, Y, Lu). For this purpose, a theoretical work is reported in this study using ab initio method with the intent of…

强关联电子 · 物理学 2022-11-15 Sohail Ait Jmal , Mohamed Balli , Hamza Bouhani , Omar Mounkachi

We have performed a systematic first-principles investigation to calculate the structural, electronic, and magnetic properties of PbCrO$_{3}$, CrPbO$_{3}$ as well as their equiproportional combination. The local density approximation…

强关联电子 · 物理学 2012-01-25 Bao-Tian Wang , Wen Yin , Wei-Dong Li , Fangwei Wang

We present the results of first-principles calculations on two possible terminations of the (001) surfaces of SrTiO3 (STO), BaTiO3 (BTO), and PbTiO3 (PTO) perovskite crystals. Atomic structure and the electronic configurations were…

材料科学 · 物理学 2009-09-29 S. Piskunov , E. A. Kotomin , E. Heifets

A comparative study of wurtzite ZnO doped by rare earth elements (Tm, Yb, Ce) have been investigated using density functional theory (DFT) based on the full-potential linearized augmented plane wave orbital (FP-LAPW) method, as implemented…

材料科学 · 物理学 2020-04-23 M. Khuili , N. Fazouan , H. Abou El Makarim , E. H. Atmani , D. P. Rai , M. Houmad

Rare-earth trihydrides ($R$H$_3$) exhibit intriguing coupled electronic and structural properties as a function of doping, hydrogen vacancies, and thermodynamic conditions. Theoretical studies of these materials typically rely on density…

强关联电子 · 物理学 2024-10-07 Adam Denchfield , Hyeondeok Shin , Panchapakesan Ganesh , Russell J Hemley , Hyowon Park

The rare-earth-metal-oxide based electronic materials were produced via a conventional mixed-oxide route. Thermal analysis, XRD and SEM were used to follow phase evolution and demonstrate the phase purity. Analytical TEM were used to…

材料科学 · 物理学 2023-01-31 Kouros Khamoushi

Detailed structural measurements were conducted on a new perovskite, ScMnO3, and on orthorhombic LuMnO3. Complementary density functional theory (DFT) calculations were carried out, and predict that ScMnO3 possesses E-phase magnetic order…

强关联电子 · 物理学 2015-06-19 T. Yu , T. A. Tyson , H. Y. Chen , A. M. M. Abeykoon , Y. -S. Chen , K. H. Ahn

Main physical characteristics, crystal, magnetic and electronic structures, of cerium-based perovskites CeTmO3 [Tm3+ = Sc, Ti, V] are systematically investigated via the first-principles computations. Full-potential linear augmented…

材料科学 · 物理学 2020-09-22 M. Musa Saad H. -E

The first-principles calculations have been performed to investigate the ground state properties of cubic scandium trifluoride (ScF$_3$) perovskite. Using modified hybrid exchange-correlation functionals within the density functional theory…

材料科学 · 物理学 2012-11-27 P. Zhgun , D. Bocharov , S. Piskunov , A. Kuzmin , J. Purans

We predict the structural, electronic and optic properties of the inorganic Ge-based halide perovskites AGeX3 (A = Cs, Rb; X = I, Br, Cl) by using first-principles method. In particular, absolute electronic energy band levels are calculated…

材料科学 · 物理学 2018-10-08 Un-Gi Jonga , Chol-Jun Yu , Yun-Hyok Kye , Yong-Guk Choe , Hao Wei , Shuzhou Li

Although discovery in hydrogen induced electronic transition within perovskite family of rare-earth nickelate (ReNiO3) opens up a new paradigm in exploring both the new materials functionality and device applications, the existing research…

材料科学 · 物理学 2022-03-14 Yi Bian , Haiyan Li , Fengbo Yan , Haifan Li , Jiaou Wang , Hao Zhang , Yong Jiang , Nuofu Chen , Jikun Chen

Structural, elastic, electronic properties and the features of inter-atomic bonding in hypothetical Ir-based carbides-antiperovskites Ir3MC (M=Ti, Zr, Nb and Ta), as predicted from first-principles calculations, have been investigated for a…

材料科学 · 物理学 2019-04-18 Slava Bannikov , Igor. R. Shein , Dmitry V. Suetin

A new series of cubic double perovskites Ba$_2R_{2/3}$TeO$_6$ ($R$ = Y, La, Pr, Nd, Sm-Lu) was synthesized via solid state reaction. The $R^{3+}$ and Te$^{6+}$ ions are ordered on alternating octahedral sites, with the rare earth sites 2/3…

材料科学 · 物理学 2019-03-14 Tai Kong , Robert J. Cava

Layered ruthenates are prototype materials with strong structure-property correlations. We report the structural and physical properties of double-layered perovskite Sr3(Ru1-xMnx)2O7 single crystals with 0<=x<=0.7. Single crystal x-ray…

强关联电子 · 物理学 2012-05-01 Biao Hu , Gregory T. McCandless , V. O. Garlea , S. Stadler , Yimin Xiong , Julia Y. Chan , E. W. Plummer , R. Jin
‹ 上一页 1 2 3 10 下一页 ›