English
Related papers

Related papers: Thinning CsPb2Br5 Perovskite Down to Monolayers: C…

200 papers

The spin physics of perovskite nanocrystals with confined electrons or holes is attracting increasing attention, both for fundamental studies and spintronic applications. Here, stable CsPb(Cl$_{0.5}$Br$_{0.5}$)$_3$ lead halide perovskite…

We have investigated the crystal structure of LaOBiPbS3 using neutron diffraction and synchrotron X-ray diffraction. From structural refinements, we found that the two metal sites, occupied by Bi and Pb, were differently surrounded by the…

Materials Science · Physics 2017-10-03 Y. Mizuguchi , Y. Hijikata , T. Abe , C. Moriyoshi , Y. Kuroiwa , Y. Goto , A. Miura , S. Lee , S. Torii , T. Kamiyama , C. H. Lee , M. Ochi , K. Kuroki

We report results of density-functional theory calculations on the structural, magnetic, and electronic properties of (1x1)-structures of Co on Cu(001) for coverages up to two monolayers. In particular we discuss the tendency towards phase…

Materials Science · Physics 2009-10-31 R. Pentcheva , M. Scheffler

The 3$d$-5$d$ based double perovskites offer an ideal playground to study the interplay between electron correlation ($U$) and spin-orbit coupling (SOC) effect, showing exotic physics. The Sr$_2$FeIrO$_6$ is an interesting member in this…

Strongly Correlated Electrons · Physics 2020-10-23 K. C. Kharkwal , Roumita Roy , Harish Kumar , A. K. Bera , S. M. Yusuf , A. K. Shukla , Kranti Kumar , Sudipta Kanungo , A. K. Pramanik

The first principles calculations of band gaps and bulk moduli of cesium lead halide perovskite solid solutions, $CsPb(I_{1-x}Cl_x)_3$ and $CsPb(I_{1-x}Br_x)_3$, are performed at the level of general gradient approximation of the density…

Disordered Systems and Neural Networks · Physics 2020-01-08 Vladimir Saleev , Alexandra Shipilova

Structural, magnetic and dielectric properties have been studied for Yb$_2$CoMnO$_6$. Nano-crystalline sample of Yb$_2$CoMnO$_6$ synthesized by sol-gel method and structural analysis shows that the sample crystallizes in monoclinic crystal…

Strongly Correlated Electrons · Physics 2020-10-28 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

Semiconductor heterostructures that combine components with different dimensionality provide an interesting way to manipulate the physical properties of the resulting material. Two-dimensional lead halide perovskites crystallize as flat…

We use density functional theory methods to study the electronic structures of a series of $s-p$ cubic perovskites $ABX_{3}$: the experimentally available SrBiO$_{3}$, BaBiO$_{3}$, BaSbO$_3$, CsTlF$_{3}$, and CsTlCl$_{3}$, as well as the…

The integrated device of a perovskite solar cell with a Li-ion battery is an innovative solution for decentralized energy storage in smart electronic devices. In this study, we examine the stability of Li ions intercalated in a CsPbI$_3$…

Materials Science · Physics 2025-12-02 Wei Wei , Julian Gebhardt , Daniel F. Urban , Christian Elsässer

The halide double perovskite Cs$_2$AgBiBr$_6$ has been proposed as a potential replacement for organic halide perovskites for photovoltaic applications. Further investigation of its dielectric response, optical properties and structural…

The structural, electronic, optical and elastic properties of perovskites of the $\alpha$-, $\beta$- and $\gamma$-phase family CsSnI$_{3-x}$Cl$_x$ (x = 0, 1, 2, 3) are analyzed by ab initio methods using GGA, SCAN and HSE06. It is found…

Halide perovskites are highly promising light-harvesting materials with strong ionic character, enabling in principle the combination of a solar cell and a Li-ion battery in one integrated photo-battery device. Here, we investigate Li ions…

Materials Science · Physics 2024-03-05 Wei Wei , Julian Gebhardt , Daniel F. Urban , Christian Elsässer

The centrosymmetric halide perovskites undergo a continuous phase transition from a normal insulator to a topological insulator at the critical value of strain. Contrarily, in noncentrosymmetric halide perovskites, this phase transition is…

Materials Science · Physics 2023-02-28 Ankita Phutela , Sajjan Shoeran , Saswata Bhattacharya

The structure and ground state electronic structure of the recently synthesized SrPdO$_3$ perovskite [A. Galal {\em et al.}, J. Power Sources, {\bf 195}, 3806 (2010)] have been studied by means of screened hybrid functional and the GW…

Materials Science · Physics 2015-06-18 Jiangang He , Cesare Franchini

Halide perovskites are promising optoelectronic materials, but their time-dependent permanent deformation under illumination (i.e., photo-creep) is poorly understood, limiting their mechanical stability. Here we report wavelength-dependent…

A-site deficient Ba$_{0.975}$La$_{0.017}$(ZrxTi$_{0.95-x}$)Sn$_{0.05}$O$_3$ (x = 0.05; 0.20) ceramics (BLaZ100xTS) were synthesized using the solid-state reaction. The microstructural study revealed a high density and low porosity in the…

Materials Science · Physics 2020-12-09 Sihem Smail , Manal Benyoussef , Kamel Taïbi , Bouchai Manoun , Mimoun El Marssi , Abdelilah Lahmar

The power conversion efficiency of photovoltaic devices based on semiconductor perovskites has reached ~20% after just several years of research efforts. With concomitant discoveries of other promising applications in lasers, light-emitting…

We explore the potential of novel antiperovskite c-Na3HS to be a solid-state electrolyte for sodium-ion batteries. To investigate the dynamical stability, phase stability, thermal stability, mechanical stability and ionic, electronic and…

Materials Science · Physics 2024-09-17 Sananya Chakraborty , Nidhi Verma , Ashok Kumar

Surface ligand exchange on all-inorganic perovskite nanocrystals of composition CsPbBrI$_{2}$ reveals improved optoelectronic properties due to strong interactions of the nanocrystal with mono-functionalized porphyrin derivatives. The…

Recently discovered alongside its sister compounds KV$_3$Sb$_5$ and RbV$_3$Sb$_5$, CsV$_3$Sb$_5$ crystallizes with an ideal kagome network of vanadium and antimonene layers separated by alkali metal ions. This work presents the electronic…

‹ Prev 1 4 5 6 7 8 10 Next ›