845 citations · 2.4k across the 23 of their papers we have counts for
23 papers
Graphene nanoribbons for quantum electronics
Haomin Wang, Hui Shan Wang, Chuanxu Ma +6
Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials carved from graphene lattice. GNRs possess high mobility and current carrying capability, sizable bandgap…
Towards Chirality Control of Graphene Nanoribbons Embedded in Hexagonal Boron Nitride
Hui Shan Wang, Lingxiu Chen, Kenan Elibol +16
The integrated inplane growth of two dimensional materials with similar lattices, but distinct electrical properties, could provide a promising route to achieve integrated circuitr…
Epitaxial growth and characterization of high quality Bi2O2Se thin films on SrTiO3 substrates by pulsed laser deposition
Yekai Song, Zhuojun Li, Hui Li +8
Recently, Bi2O2Se is discovered as a promising two-dimensional (2D) semiconductor for next generation electronics, due to its moderate bandgap size, high electron mobility and pron…
Multiple gaps revealed by low temperature specific heat in the 1111-type CaFe_{0.88}Co_{0.12}AsF single crystals
Jianan Chu, Teng Wang, Yonghui Ma +6
Low-temperature specific heat (SH) is measured on the 1111-type CaFe_{0.88}Co_{0.12}AsF single crystals under different magnetic fields. A clear SH jump with the height ΔC/T|_Tc =…
In situ annealing effects on the iron-based ladder material BaFe_2S_3: A route to improve the crystal quality
Xuan Zhang, Hui Zhang, Yonghui Ma +8
We have grown single crystals of the iron-based ladder material BaFe_2S_3, which is superconductive under high pressure, adopting different conditions. By comparing the behaviors o…
Unusual evolution of B_{c2} and T_c with inclined fields in restacked TaS_2 nanosheets
Yonghui Ma, Jie Pan, Chenguang Guo +6
Recently we reported an enhanced superconductivity in restacked monolayer TaS_2 nanosheets compared with the bulk TaS_2, pointing to the exotic physical properties of low dimension…
Edge Control of Graphene Domains Grown on Hexagonal Boron Nitride
Lingxiu Chen, Haomin Wang, Shujie Tang +8
Edge structure of graphene has a significant influence on its electronic properties. However, control over the edge structure of graphene domains on insulating substrates is still…
Strong anisotropy effect in iron-based superconductor CaFeCoAsF
Yonghui Ma, Qiucheng Ji, Kangkang Hu +4
The anisotropy of the Fe-based superconductors is much smaller than that of the cuprates and the theoretical calculations. A credible understanding for this experimental fact is st…
Realization of Quantum Spin Hall State in Monolayer 1T'-WTe2
Shujie Tang, Chaofan Zhang, Dillon Wong +23
A quantum spin Hall (QSH) insulator is a novel two-dimensional quantum state of matter that features quantized Hall conductance in the absence of magnetic field, resulting from top…
Oriented Graphene Nanoribbons Embedded in Hexagonal Boron Nitride Trenches
Lingxiu Chen, Li He, Hui Shan Wang +13
Graphene nanoribbons (GNRs) are ultra-narrow strips of graphene that have the potential to be used in high-performance graphene-based semiconductor electronics. However, controlled…
Lithium-ion-based solid electrolyte tuning of the carrier density in graphene
Jialin Zhao, Meng Wang, Hui Li +6
We have developed a technique to tune the carrier density in graphene using a lithium-ion-based solid electrolyte. We demonstrate that the solid electrolyte can be used as both a s…
Growth and characterization of CaFeCoAsF single crystals by CaAs flux method
Yonghui Ma, Kangkang Hu, Qiucheng Ji +5
Millimeter sized single crystals of CaFeCoAsF were grown using a self-flux method. It is found that high-quality single crystals can be grown from three approaches with…
A combined method for synthesis of superconducting Cu doped Bi2Se3
Meng Wang, Yanru Song, Lixing You +4
We present a two-step technique for the synthesis of superconducting CuxBi2Se3. Cu0.15Bi2Se3 single crystals were synthesized using the melt-growth method. Although these samples a…
The effects of electron correlation and spin-orbit coupling in the isovalent Pd-doped superconductor SrPtP
Kangkang Hu, Bo Gao, Qiucheng Ji +9
We present a systematical study on the roles of electron correlation and spin-orbit coupling in the isovalent Pd-doped superconductor SrPtP. By using solid state reaction metho…
Gap Structure of the Overdoped Iron-Pnictide Superconductor Ba(FeNi)As: A Low-Temperature Specific-Heat Study
Gang Mu, Bo Gao, Xiaoming Xie +4
Low-temperature specific heat (SH) is measured on the postannealed Ba(Fe_{1-x}Ni_x)_2As_2 single crystal with x = 0.058 under different magnetic fields. The sample locates on the o…
Growth and Characterization of Millimeter-sized Single Crystals of CaFeAsF
Yonghui Ma, Hui Zhang, Bo Gao +5
High-quality and sizable single crystals are crucial for studying the intrinsic properties of unconventional superconductors, which are lacking in the 1111 phase of the Fe-based su…
Silane-Catalyzed Fast Growth of Large Single-Crystalline Graphene on Hexagonal Boron Nitride
Shujie Tang, Haomin Wang, Hui Shan Wang +12
The direct growth of high-quality, large single-crystalline domains of graphene on a dielectric substrate is of vital importance for applications in electronics and optoelectronics…
Synthesis, Structural, and Transport Properties of Cr-doped BaTi_2As_2O
Qiucheng Ji, Yonghui Ma, Kangkang Hu +9
The interplay between unconventional superconductivity and the ordering of charge/spin density wave is one of the most vital issues in both condensed matter physics and material sc…
High-T_c superconductivity in ultrathin Bi_2Sr_2CaCu_2O_8+x down to halfunit-cell thickness by protection with graphene
Da Jiang, Tao Hu, Lixing You +13
High-T_c superconductors confined to two dimension exhibit novel physical phenomena, such as superconductor-insulator transition. In the Bi_2Sr_2CaCu_2O_8+x (Bi2212) model system,…
Phase Diagram and Weak-link Behavior in Nd-doped CaFe_2As_2
Bo Gao, Xiaojiang Li, Qiucheng Ji +5
The transport properties, phase diagram, and dopant distribution are investigated in systematically Nd doped CaFe_2As_2 single crystals. Coexistence of two superconducting (SC) pha…
Precisely aligned graphene grown on hexagonal boron nitride by catalyst free chemical vapor deposition
Shujie Tang, Haomin Wang, Yu Zhang +8
To grow precisely aligned graphene on h-BN without metal catalyst is extremely important, which allows for intriguing physical properties and devices of graphene/h-BN hetero-struct…
Triggering the Continuous Growth of Graphene toward Millimeter Size Grain
Tianru Wu, Guqiao Ding, Honglie Shen +5
In this report, we demonstrated a simple but efficient strategy to synthesize millimeter-sized graphene single crystal grains by regulating the supply of reactants in chemical vapo…
Low-Temperature Rapid Synthesis and Superconductivity of Fe-Based Oxypnictide Superconductors
Ai-Hua Fang, Fu-Qiang Huang, Xiao-Ming Xie +1
we were able to develop a novel method to synthesize Fe-based oxypnictide superconductors. By using LnAs and FeO as the starting materials and a ball-milling process prior to solid…