
Tunable optoelectronic properties in multilayer 1T-TiS2: the …
2021年1月8日 · In this work, we study the electronic properties of mono- and multilayer titanium disulfide (TiS 2) with the aid of first-principles calculations based on density functional theory.
1T-Phase Titanium Disulfide Nanosheets for Sensing H2S and O2
2020年2月28日 · A chemiresistive, 1T-TiS2 nanosheet (TNS) based gas sensor has been developed, and its ultrahigh sensitivity toward hydrogen sulfide (H2S) and oxygen (O2) gas at room temperature has been experimen...
Electronic and optical properties of the 1T phases of TiS2, …
Electronic structures of a layered semiconductor 1T-TiS 2 and a Ni intercalation compound Ni 1/3 TiS 2 are studied by means of Ti 2p and Ni 2p x-ray photoemission ͑XPS͒, 2p x-ray absorption ͑XAS͒, and 2p core excited resonance x-ray photoemission spectroscopies.
我院王磊研究员和李锋钰教授团队在物理学知名期刊Physical …
2025年3月20日 · 以底层1T-TiS2单层为参考,x和y表示顶部1T-TiS2单层在实空间中的相对位移。(d) 1T-TiS2双层极化翻转路径上的能垒 (橙线) 和极化(蓝线)。 在这项工作中,我们通过第一性原理计算,成功地预测了CDW材料1T -TiX2 (X = S、Se、和Te) 中双层堆垛而产生的铁电性。
Studies of 1T TiS2 by STM, AFM and XPS: the mechanism of …
1996年3月1日 · Scanning tunnelling microscopy, atomic force microscopy and X-ray photoelectron spectroscopy were used to study the surface of TiS, a layered material. STM and AFM images in air and at room temperature revealed the trigonal symmetry of the lattice.
Defect-Dependent Surface Phase Transformation on 1T-TiS2 …
2023年2月8日 · The phase transformation from the TiS 2 to TiS on the surface of bulk 1 T -TiS 2 crystals is achieved by thermal vacuum annealing. This is demonstrated by a combination of photoemission spectroscopy, electron paramagnetic resonance spectroscopy, and …
TiS2 (1T Titanium Disulfide) - HQ graphene
TiS2 is a semimetal (has a small overlap of the conduction band and valence band) and is diamagnetic. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. 1T phase TiS2 belongs to the group …
(PDF) Electronic and optical properties of the 1T phases of TiS_ {2 ...
2003年12月1日 · We report calculations of the anisotropic frequency-dependent optical properties of these compounds and find excellent agreement with the available experimental data. The optical properties show...
Janus layers and electronic structure of 1T-(TiSeS) 2 - RSC Publishing
Using a structure search method based on the particle swarm optimization (CALYPSO) algorithm, we identify TiSeS-156 and discover a new structure (1T-(TiSeS) 2). Based on first principles theory, their phonon spectra, formation energy, mechanical, electronic, thermal, and optical properties, as well as chemical bond analysis and synthetic ...
TiS2(1T二硫化钛)-上海昂维科技有限公司 - onway-tec.com
tis2是半金属(具有导带和价带的小重叠),并且是抗磁性的。这些层通过范德华相互作用堆叠在一起,并且可以被剥离成薄的2d层。1t相tis2属于Ⅳ族过渡金属二硫属元素(tmdc)。 1t tis2晶体具有约0.6-0.8厘米的典型横向尺寸,为六角形,具有金属外观。