Article
Physics, Condensed Matter
Simeon J. Gilbert, Mingxing Li, Jia-Shiang Chen, Hemian Yi, Alexey Lipatov, Jose Avila, Alexander Sinitskii, Maria C. Asensio, Peter A. Dowben, Andrew J. Yost
Summary: The presence of in-plane chiral effects and spin-orbit coupling in a TiS3(001) field-effect phototransistor is confirmed through changes in the photocurrent caused by left versus right circularly polarized light. NanoARPES measurements indicate that the direction of the photocurrent is protected by strong spin-orbit coupling and the anisotropy of the band structure. Dark electronic transport measurements show that TiS3 is n-type with an electron mobility ranging from 1-6 cm(2)V(-1)s(-1). I-V measurements under laser illumination demonstrate that the photocurrent exhibits bias directionality dependence similar to bipolar spin diode behavior. The presence of spin-orbit coupling in TiS3, a material without heavy elements, is attributed to the loss of inversion symmetry at the TiS3(001) surface.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2023)
Article
Chemistry, Inorganic & Nuclear
Zahir Muhammad, Muhammad Usman, Sami Ullah, Bo Zhang, Qixiao Lu, Ling Zhu, Rui Hu
Summary: By utilizing Raman and infrared spectroscopy, this study investigated the vibrational properties of 2D layered zirconium ditelluride and the surface electronic and optical properties of bulk ZrTe2. The findings included temperature-dependent changes in vibrational modes, blue shifts with decreasing layer number, and the anisotropic nature of ZrTe2. Additionally, the potential application of ZrTe2 in thermoelectric devices was explored, showcasing its high thermal conductivity and promising characteristics for spintronic and tunable thermoelectric devices.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Physics, Applied
I. G. Gorlova, S. A. Nikonov, S. G. Zybtsev, V. Ya. Pokrovskii, A. N. Titov
Summary: The layered quasi one-dimensional compound TiS3 exhibits remarkable optical properties, especially photoconductivity, which is influenced by the mobility of electrons. As the temperature decreases, the photoconductivity of TiS3 increases moderately, showing semiconductor behavior above approximately 100 K and a potential phase transition into a collective state below 60 K. Additionally, a drop in electron mobility is observed around 17 K.
APPLIED PHYSICS LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Peng Xiao, Emigdio Chavez-Angel, Stefanos Chaitoglou, Marianna Sledzinska, Athanasios Dimoulas, Clivia M. Sotomayor Torres, Alexandros El Sachat
Summary: The study systematically investigated the thermal conductivity of SnSe2 films of varying thickness, revealing a thermal conductivity anisotropy and a decrease in thermal conductivity with decreasing film thickness. Phonon contributions to the thermal conductivity were also identified using the mean free path reconstruction method.
Article
Multidisciplinary Sciences
Luojun Du, Yanchong Zhao, Linlu Wu, Xuerong Hu, Lide Yao, Yadong Wang, Xueyin Bai, Yunyun Dai, Jingsi Qiao, Md Gius Uddin, Xiaomei Li, Jouko Lahtinen, Xuedong Bai, Guangyu Zhang, Wei Ji, Zhipei Sun
Summary: The authors studied a 1D vdW semiconductor, fibrous red phosphorous, and observed exceptional optical properties of large optical anisotropy and high photoluminescence.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Julian Klein, Benjamin Pingault, Matthias Florian, Marie-Christin Heissenbuettel, Alexander Steinhoff, Zhigang Song, Kierstin Torres, Florian Dirnberger, Jonathan B. Curtis, Mads Weile, Aubrey Penn, Thorsten Deilmann, Rami Dana, Rezlind Bushati, Jiamin Quan, Jan Luxa, Zdenek Sofer, Andrea Alu, Vinod M. Menon, Ursula Wurstbauer, Michael Rohlfing, Prineha Narang, Marko Loncar, Frances M. Ross
Summary: In this study, it was found that the magnetic semiconductor CrSBr behaves like a quasi-1D material in a magnetically ordered environment. The strong 1D electronic character of CrSBr originates from the Cr-S chains and the weak interlayer hybridization, leading to anisotropy in effective mass and dielectric screening. Moreover, CrSBr hosts spectrally narrow excitons of high binding energy and oscillator strength due to reduced dimensionality and interlayer coupling. Overall, CrSBr is an experimentally attractive candidate for the study of exotic exciton and 1D-correlated many-body physics.
Article
Chemistry, Multidisciplinary
Yuqiang Fang, Ke Yang, Enze Zhang, Shanshan Liu, Zehao Jia, Yuda Zhang, Hua Wu, Faxian Xiu, Fuqiang Huang
Summary: In this work, a new quasi-1D vdW layered compound CrZr4Te14 was successfully synthesized. The crystals show strong anisotropy in terms of phonon vibrations, electrical transport, and magnetism. Notably, a large intrinsic negative magnetoresistance (nMR) effect was achieved, making CrZr4Te14 an interesting platform for exploring novel polarization-sensitive spintronics.
ADVANCED MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Sang Ok Yoon, Jiho Jeon, Kyung Hwan Choi, Byung Joo Jeong, Sudong Chae, Bum Jun Kim, Seungbae Oh, Chaeheon Woo, Bom Lee, Sooheon Cho, Tae Yeong Kim, Han Eol Jang, Jungyoon Ahn, Xue Dong, Asghar Ghulam, Jae-Hyuk Park, Jae-Hyun Lee, Hak Ki Yu, Jae-Young Choi
Summary: By synthesizing the ternary composition chalcogenide Ta2NiSe7, the excellent electrical conductivity property was utilized to measure the breakdown current density according to thickness change. It was found that the breakdown current density reached 35 MA cm(-2) at 18 nm thickness, and through optimization of the exfoliation process, it is expected to increase to about 356 MA cm(-2). These low-dimensional materials with ternary compositions can be potential candidates for current-carrying materials needed for miniaturizing electronic devices.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Nataliia S. Vorobeva, Alexey Lipatov, Angel Torres, Jun Dai, Jehad Abourahma, Duy Le, Archit Dhingra, Simeon J. Gilbert, Pavlo Galiy, Taras M. Nenchuk, Dmitry S. Muratov, Talat S. Rahman, Xiao Cheng Zeng, Peter A. Dowben, Alexander Sinitskii
Summary: Theoretical and experimental investigations were conducted on mechanically exfoliated In4Se3 flakes, revealing anisotropic electronic properties and comparable electron mobility on Si/SiO2. In4Se3 devices exhibit a visible range photoresponse on a timescale of less than 30 ms, depending on the polarization of the excitation light.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Eric Formo, Jordan A. Hachtel, Yassamin Ghafouri, Matthew A. Bloodgood, Tina T. Salguero
Summary: In situ electron microscopy imaging and spectroscopy were used to study the evolution of quasi-1D NbS3-IV nanoribbons, revealing a dramatic transformation into textured configurations and aligned 2H-NbS2 sheets. Atomic resolution imaging and spectroscopy techniques confirmed the chemical changes, leading to a proposed atomistic mechanism for the conversion of NbS3-IV into 2H-NbS2.
CHEMISTRY OF MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Feifan Yang, Kanghua Li, Mingzhi Fan, Wendian Yao, Liuchong Fu, Changying Xiong, Shenglin Jiang, Dehui Li, Ming Xu, Chao Chen, Guangzu Zhang, Jiang Tang
Summary: In this study, quasi-1D BaTiS3 was introduced for polarized photodetection, and needle-like BaTiS3 single crystals were successfully prepared. The single crystal exhibits a narrow bandgap, n-type conductivity, and high mobility, enabling high responsivity polarized photodetection over a wide wavelength range.
ADVANCED OPTICAL MATERIALS
(2023)
Article
Chemistry, Analytical
Victor V. V. Sysoev, Andrey V. V. Lashkov, Alexey Lipatov, Ilya A. A. Plugin, Michael Bruns, Dirk Fuchs, Alexey S. S. Varezhnikov, Mustahsin Adib, Martin Sommer, Alexander Sinitskii
Summary: This study investigated the application of TiS3 crystals in chemiresistive gas sensors and found different responses of TiS3 to isopropanol under different conditions. By analyzing the signal from the entire sensor array, different gases can be distinguished. Heating reduces the performance of the sensor array.
Article
Multidisciplinary Sciences
Arindam Dasgupta, Xiaodong Yang, Jie Gao
Summary: In this study, we mechanically exfoliated natural cannizzarite mineral to obtain thin vdW heterostructures of PbS-type and Bi2S3-type atomic layers, and explored the anisotropic optical properties of the structure. The results demonstrate that cannizzarite has the potential to be used for manufacturing polarization-sensitive linear and nonlinear photonic devices for on-chip optical computing and optical information processing.
SCIENTIFIC REPORTS
(2022)
Article
Physics, Applied
Yulan Zhou, Weike Wang, Liang Li, Penglai Gong, Dongsheng Tang
Summary: This study systematically investigated the phonon modes in Indium tellurides (In2Te5) using Raman spectroscopy, revealing strong anisotropic Raman response and linear temperature dependence. The results provide insights into the phonon vibrational properties of In2Te5 and attract future research interest in group III-VI layered semiconductors.
APPLIED PHYSICS LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Junqing Guo, Zhenyang Xiao, Ziyu Wu, Xiaxia Liao, Siyuan Wan, Xuewen Fu, Yangbo Zhou
Summary: This study systematically investigates the optical modulation effects of anisotropic 2D materials on isotropic 2D materials in stacked van der Waals heterostructures. The results show that the anisotropic optical properties of the underlying ZrS3 layers have a significant impact on the Raman/PL intensities of MoS2. These anisotropic optical modulation effects can be identified with thin ZrS3 layers due to the strong birefringence and dichroism effects. The polarized photocurrent response of the heterostructure is also demonstrated, with MoS2 as the major contributor.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Mengtian Zhang, Hao Li, Junxiang Chen, Fei-Xiang Ma, Liang Zhen, Zhenhai Wen, Cheng-Yan Xu
Summary: In this study, a self-sacrificing template strategy was developed to fabricate high metal loading cobalt single atoms and atomic clusters on nitrogen-doped graphene. The resulting catalyst exhibited enhanced electrocatalytic activity for oxygen reduction reaction, outperforming Pt/C catalysts. It also showed excellent performance in zinc-air batteries, indicating great potential for energy storage applications.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Xiaoya Wang, Guoai Li, Qiyao He, Jiantang Jiang, Dongfeng Li, Wenzhu Shao, Liang Zhen
Summary: The intergranular corrosion in a partially recrystallized 2A97 Al-Cu-Li alloy at different tempers was investigated. It was found that the T6-tempered alloy was susceptible to intergranular and intersubgranular corrosion, while the T8-tempered alloy showed reduced sensitivity to IGC and ISGC. In the T8-tempered alloy, intragranular pitting was the dominant corrosion mechanism. The distribution of precipitates and solutes at grain and subgrain boundaries were analyzed using TEM, STEM-EDX, and APT to understand the key factors influencing localized corrosion.
Article
Nanoscience & Nanotechnology
Jin-Kui Meng, Li Liu, Jian-Tang Jiang, Xing-Qi Liao, Xiang-Guang Chen, Liang Zhen
Summary: The mechanical behavior of commercially pure Ti under biaxial stress conditions has been investigated. It was found that prismatic slip was suppressed while pyramidal slip was promoted under high biaxial stress. The occurrence of extension twinning was also encouraged by the increased stress component in the c-axis direction. Deformation resistance and work hardening rate increased with increasing biaxiality.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Chemistry, Physical
Zheng-Qi Liu, Xiongyi Liang, Fei-Xiang Ma, Yu-Xuan Xiong, Guobin Zhang, Guanhua Chen, Liang Zhen, Cheng-Yan Xu
Summary: By introducing NiFe-LDH nanodots on the single-atom Fe-N-C catalyst, NiFe-LDH/Fe-1-N-C heterostructure hollow nanorods were formed, which exhibit enhanced activity for oxygen reduction and evolution reactions (ORR/OER) and achieve efficient bifunctional ORR/OER activity. This catalyst not only shows excellent ORR activity but also demonstrates impressive bifunctional performance, indicating its potential as an alternative to precious metal catalysts and its significance for practical applications in rechargeable Zn-air batteries.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yange Yu, Wenzhu Shao, Yue Liu, Yang Li, Jing Zhong, Huijian Ye, Liang Zhen
Summary: The superior energy storage performance of PVDF-based nanocomposites, such as discharged energy density or efficiency, is reported. This leads to a lower volume, lightweight system, or high reliability for film capacitors. The study introduces core-shell structured BaTiO3@rGO nanoparticles into the PVDF matrix to enhance both discharged energy density and energy storage efficiency, optimizing the charge transfer path and improving the overall performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Nanoscience & Nanotechnology
Yuanyuan Zhang, Xueyin Sun, Yong Yuan, Wenzhu Shao, Liang Zhen, Jiantang Jiang
Summary: Fe/Fe3O4 composite particles with mesoporous silica (mSiO2) shells were prepared via solvothermal reaction combined with hydrogen-thermal reduction. The addition of mSiO2 created a well-ventilated framework that maintained the dispersion of fine Fe particles. The conversion of Fe3O4 to Fe nanoparticles enhanced the ferromagnetic loss, while the interface of Fe3O4/Fe/mSiO2 induced an intensified dielectric loss. The Fe/Fe3O4@mSiO2 showed excellent electromagnetic wave-absorbing performances as fillers for electromagnetic absorption materials.
ACS APPLIED NANO MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Xueqiao Li, Weijian Li, Zhaohua Miao, Chenxi Lu, Hongna Ma, Yan Xu, Deyan Gong, Cheng-Yan Xu, Zhengbao Zha
Summary: The degradation mechanism of stanene in an oxygenated water environment is water-accelerated oxidation, facilitated by H2O molecules that enable electron transfer from stanene to O2 and react with defect sites of stanene. Protective strategies, such as alcohol protection, are proposed to mitigate oxidation. Furthermore, stanene shows potential biomedical applications as a NIR-II photonic agent for tumor ablation, with a high tumor-growth inhibition ratio.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Wenwu Zhang, Penghao Zhang, Dashi Lu, Hao Pan, Xiangli Liu, Chengyan Xu, Jun Wei, Mingyu Li, Hongjun Ji
Summary: Ag-Cu bimetallic nanoalloy integrates the advantages of nano-Ag in reducing migration and cost, and nano-Cu in alleviating oxidation, making it a promising bonding material for power electronic packaging. The Ag-coated Cu nanoparticles paste achieves high-quality bonding at 250 degrees C, forming a supersaturated Ag-Cu nanoalloy joint with ultrahigh shear strength. The interface, characterized by interstitial solid solutions with atomic-level metallurgical bonds, predominantly promotes the shear strength. Additionally, the presence of ultrafine nanograin, low angle grain boundaries, and Cu nanoprecipitates in the joint contributes to the improvement of subordinately.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Electrochemistry
Qiyao He, Jiantang Jiang, Xiaoya Wang, Junzhou Chen, Wenzhu Shao, Liang Zhen
Summary: The intergranular corrosion of 2024-T3 aluminum alloy, related to hydrogen permeation, was investigated in this study. Atom probe tomography was used to observe the precise position of hydrogen atoms in relation to grain boundaries. The study found that the distribution of hydrogen is highly related to the S-phase at grain boundaries and hydrogen pre-charging significantly improves the charge transfer efficiency at the initial stage of intergranular corrosion process.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Fei Wang, Yi-Fan Zhao, Zi-Jie Yan, Deyi Zhuo, Hemian Yi, Wei Yuan, Lingjie Zhou, Weiwei Zhao, Moses H. W. Chan, Cui-Zu Chang
Summary: In this study, we synthesized doped Bi2Te3 thin films with controlled doping concentrations using molecular beam epitaxy. By conducting magneto-transport measurements, we observed an unusual ferromagnetic response in both chromium (Cr)- and vanadium (V)-doped films, where the Curie temperature shows a local maximum at a critical doping concentration. We attribute this behavior to the dopant-concentration-induced magnetic exchange interaction, which transforms the ferromagnetism from van Vleck-type in a nontrivial magnetic topological insulator to Ruderman-Kittel-Kasuya-Yosida (RKKY)-type in a trivial diluted magnetic semiconductor. This work provides insights into the ferromagnetic properties of magnetically doped topological insulator thin films and facilitates the exploration of high-temperature quantum anomalous Hall effect.
Article
Instruments & Instrumentation
Xuan Zhao, Jie-Ying Li, Lei Wang, Xue-Yin Sun, Li Yang, Wen-Zhu Shao, Tao Yuan, Cheng-Yan Xu, Liang Zhen
Summary: The effects of neutron irradiation and high temperature on the magnetic properties and structure of Sm2Co17 permanent magnets were investigated. The phase composition in Sm2Co17 permanent magnets remained unchanged after neutron irradiation. Neutron irradiation had almost no influence on the intrinsic coercivity and magnetic flux of Sm2Co17 permanent magnets. However, high temperature led to a significant deterioration in the magnetic properties of Sm2Co17 permanent magnets.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
(2023)
Article
Chemistry, Multidisciplinary
Fei-Xiang Ma, Zheng-Qi Liu, Guobin Zhang, Hong-Shuang Fan, Yue Du, Liang Zhen, Cheng-Yan Xu
Summary: A self-sacrificing template strategy is developed to fabricate single-atom Fe-N-C hollow microspheres with ultrathin nanosheets, which exhibit high oxygen reduction reaction (ORR) performance and stability. When used as air-cathode catalysts, they show significantly higher power density and discharge capacity compared to commercial Pt/C.
Article
Chemistry, Physical
Tiansheng Wang, Shunyou Hu, Wen Yu, Yuanyuan Hu, Shangcheng Yan, Mi Wang, Weiwei Zhao, Jie Xu, Jiaheng Zhang
Summary: A hybrid system electrode composed of porous lignin-based graphitic carbon (PLGC) and small herbal biomolecules such as Rhein (RH) is demonstrated to enhance specific capacitance and cycle stability in biomass electrode materials. The RH molecules derived from rhubarb root extracts increase energy storage capacity, while the PLGC provides an effective platform for bulk charge transport. The RH/PLGC composite electrodes exhibit high specific capacitance and capacity fading is effectively suppressed using an RH-saturated electrolyte, making it suitable for large-scale production.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Zi-Hao Liu, Fei-Xiang Ma, Hong-Shuang Fan, Zheng-Qi Liu, Yue Du, Liang Zhen, Cheng-Yan Xu
Summary: This article reports a simple sequential synthesis method to prepare highly accessible N-doped carbon hollow spheres with regulatable through-pore size, which can form abundant through-pores inside the hollow spheres, and then implant Fe single-atoms to obtain FeNC hollow spheres with highly accessible active sites. It is demonstrated that these FeNC hollow spheres exhibit excellent oxygen reduction reaction performance in alkaline media, surpassing Pt/C, and show high peak power density and stable discharge voltage in assembled Zn-air batteries.