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Benzobisthiadiazoles (BBTs) are promising organic semiconductors for applications in field effect transistors and solar cells, since they possess a strong electron-accepting character. Thereby the electronic structure of organic/metal…

Moving beyond traditional 2D materials is now desirable to have switching capabilities (e.g., transistors). Here we propose using borophene because, as we will show in this letter, obtaining regions of the electronic bandstructure which act…

Materials Science · Physics 2020-12-15 Clifford M. Krowne , Xianwei Sha

On-surface metal porphyrins can undergo electronic and conformational changes that play a crucial role in determining the chemical reactivity of the molecular layer. Therefore, understanding those properties is pivotal for the design and…

This study investigates methods for controlling the physical properties of the intrinsic magnetic topological insulator MnBi$_2$Te$_4$ (MBT) by substituting Mn with Pb in Mn$_{1-x}$Pb$_x$Bi$_2$Te$_4$ (MPBT) solid solutions. This…

Ti2O3 exhibits a unique metal-insulator transition (MIT) at approximately 450 K over a wide temperature range of ~ 150 K. This broad MIT accompanied by lattice deformation differs from the sharp MITs observed in most other transition-metal…

Electronic structure of single crystalline Ba(Zn$_{0.875}$Mn$_{0.125}$)$_{2}$As$_{2}$, parent compound of the recently founded high-temperature ferromagnetic semiconductor, was studied by high-resolution photoemission spectroscopy (ARPES).…

Materials Science · Physics 2016-11-14 Fengfeng Zhu , W. X. Jiang , P. Li , Z. Q. Wang , H. Y. Man , Y. Y. Li , Canhua Liu , D. D. Guan , J. F. Jia , F. L. Ning , Weidong Luo , D. Qian

First-principles FLAPW-GGA band structure calculations were employed to examine the structural, electronic properties and the chemical bonding picture for four ZrCuSiAs-like Th-based quaternary pnictide oxides ThCuPO, ThCuAsO, ThAgPO, and…

Materials Science · Physics 2011-04-19 V. V. Bannikov , I. R. Shein , A. L. Ivanovskii

Despite the rapid progress in understanding the first intrinsic magnetic topological insulator MnBi$_2$Te$_4$, its electronic structure remains a topic under debates. Here we perform a thorough spectroscopic investigation into the…

Ab initio electronic structure calculations based on gradient corrected density functional theory were performed on a class of novel quaternary compounds AgPb$_{m}SbTe$_{2+m}$, which were found to be excellent high temperature…

Materials Science · Physics 2008-05-06 Daniel Bilc , S. D. Mahanti , Kuei-Fang Hsu , Eric Quarez , Robert Pcionek , M. G. Kanatzidis

The electronic structure of ThPd$_2$Al$_3$, which is isostructural to the heavy fermion superconductor UPd$_2$Al$_3$, was investigated by photoelectron spectroscopy. The band structure and Fermi surfaces of ThPd$_2$Al$_3$ were obtained by…

Strongly Correlated Electrons · Physics 2022-04-06 Shin-ichi Fujimori , Yukiharu Takeda , Hiroshi Yamagami , Jiří Pospíšil , Etsuji Yamamoto , Yoshinori Haga

As a prototypical Mott insulator with ferromagnetic ordering, YTiO3 (YTO) is of great interest in the study of strong electron correlation effects and orbital ordering. Here we report the first molecular beam epitaxy (MBE) growth of YTO…

The electronic structure of the molecular compound (TTM-TTP)I_3, which exhibits a peculiar intra-molecular charge ordering, has been studied using multi-configuration ab initio calculations. First we derive an effective Hubbard-type model…

Using projector augmented wave approach within the generalized gradient approximation, we have studied the structural property and electronic structure of ZrB12. The calculated lattice constants and bulk modulus are in good agreement with…

Materials Science · Physics 2007-05-23 Z. F. Hou

Electronic states of single-component molecular metals M(tmdt)2 (M = Ni, Au) are studied theoretically. We construct an effective three-band Hubbard model for each material by numerical fitting to first-principles band calculations, while…

Strongly Correlated Electrons · Physics 2008-02-19 Hitoshi Seo , Shoji Ishibashi , Yoshinori Okano , Hayao Kobayashi , Akiko Kobayashi , Hidetoshi Fukuyama , Kiyoyuki Terakura

Moving beyond traditional 2D materials is now desirable to have switching capabilities (e.g., transistors). Here we propose using graphyne because, as we will show in this letter, obtaining regions of the electronic bandstructure which act…

Materials Science · Physics 2020-12-16 Xianwei Sha , Clifford M. Krowne

Two-dimensional conjugated metal-organic frameworks hold great promise for applications in chemiresistive sensing, electrocatalysis, and energy storage. Their interfacial interaction with metal electrodes, which has been rarely…

Materials Science · Physics 2026-03-02 Xiaoqing Yuan , Shaoze Wang , Xiaoyue He , Zhecheng Sun , Lei Sun

We use a combination of conventional density functional theory (DFT) and post-DFT methods, including the local density approximation plus Hubbard $U$ (LDA+$U$), PBE0, and self-consistent $GW$ to study the electronic properties of…

Materials Science · Physics 2011-08-10 Gaoyang Gou , Joseph W. Bennett , Hiroyuki Takenaka , Andrew M. Rappe

The electronic structure of the unconventional superconductor UTe$_2$ was studied by resonant photoelectron spectroscopy (RPES) and angle-resolved photoelectron spectroscopy (ARPES) with soft X-ray synchrotron radiation. The partial…

Strongly Correlated Electrons · Physics 2019-09-13 Shin-ichi Fujimori , Ikuto Kawasaki , Yukiharu Takeda , Hiroshi Yamagami , Ai Nakamura , Yoshiya Homma , Dai Aoki

By means of density functional theory the electronic structure of the MgB2 superconductor was characterised and compared with that of the related iso-structural systems: AlB2, ZrB2, NbB2, and TaB2. Using the full-potential linearized…

Superconductivity · Physics 2009-11-07 Pablo de la Mora , Miguel Castro , Gustavo Tavizon

We compute the thermodynamic phase diagram of seventeen elemental metals with hexagonal close-packed (hcp), face-centered cubic (fcc), and body-centered cubic (bcc) crystal structures using finite-temperature density functional theory.…

Materials Science · Physics 2026-04-15 S. Azadi , S. M. Vinko , A. Principi , T. D. Kuehne , M. S. Bahramy
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