Yanbang Chu
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View article: Author Correction: Isospin competitions and valley polarized correlated insulators in twisted double bilayer graphene
Author Correction: Isospin competitions and valley polarized correlated insulators in twisted double bilayer graphene Open
Correction to: Nature Communicationshttps://doi.org/10.1038/s41467-022-30998-x, published online 07 June 2022 In the version of the article initially published, the National Natural Science Foundation of China grant no. 12074413 was writte…
View article: A Tale of Two Sides of Wafer: Physical Implementation and Block-Level PPA on Flip FET with Dual-sided Signals
A Tale of Two Sides of Wafer: Physical Implementation and Block-Level PPA on Flip FET with Dual-sided Signals Open
As the conventional scaling of logic devices comes to an end, functional wafer backside and 3D transistor stacking are consensus for next-generation logic technology, offering considerable design space extension for powers, signals or even…
View article: Medium-scale flexible integrated circuits based on 2D semiconductors
Medium-scale flexible integrated circuits based on 2D semiconductors Open
Two-dimensional (2D) semiconductors, combining remarkable electrical properties and mechanical flexibility, offer fascinating opportunities for flexible integrated circuits (ICs). Despite notable progress, so far the showcased 2D flexible …
View article: From Flip FET to Flip 3D Integration (F3D): Maximizing the Scaling Potential of Wafer Both Sides Beyond Conventional 3D Integration
From Flip FET to Flip 3D Integration (F3D): Maximizing the Scaling Potential of Wafer Both Sides Beyond Conventional 3D Integration Open
In this work, we proposed a new 3D integration technology: the Flip 3D integration (F3D), consisting of the 3D transistor stacking, the 3D dual-sided interconnects, the 3D die-to-die stacking and the dual-sided Monolithic 3D (M3D). Based o…
View article: Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene
Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene Open
Twisted graphene moire superlattice has been demonstrated as an exotic platform for investigating correlated states and nontrivial topology. Among the moire family, twisted double bilayer graphene (TDBG) is a tunable flat band system expec…
View article: Observation of electrical high-harmonic generation
Observation of electrical high-harmonic generation Open
High-harmonic generation (HHG), an extreme nonlinear effect, introduces an unprecedented paradigm to detect emergent quantum phases and electron dynamics inconceivable in the framework of linear and low-order nonlinear processes. As an imp…
View article: Interplay of Landau Quantization and Interminivalley Scatterings in a Weakly Coupled Moiré Superlattice
Interplay of Landau Quantization and Interminivalley Scatterings in a Weakly Coupled Moiré Superlattice Open
Double-layer quantum systems are promising platforms for realizing novel quantum phases. Here, we report a study of quantum oscillations (QOs) in a weakly coupled double-layer system composed of a large-angle twisted-double-bilayer graphen…
View article: Interplay of Landau quantization and interminivalley scatterings in a weakly coupled moiré superlattice
Interplay of Landau quantization and interminivalley scatterings in a weakly coupled moiré superlattice Open
Double layer quantum systems are promising platforms for realizing novel quantum phases. Here, we report a study of quantum oscillations (QOs) in a weakly coupled double layer system, composed of a large angle twisted double bilayer graphe…
View article: Room-temperature correlated states in twisted bilayer MoS$_2$
Room-temperature correlated states in twisted bilayer MoS$_2$ Open
Moiré superlattices have emerged as an exciting condensed-matter quantum simulator for exploring the exotic physics of strong electronic correlations. Notable progress has been witnessed, but such correlated states are achievable usually a…
View article: Gate‐Last MoS<sub>2</sub> Transistors for Active‐Matrix Display Driving Circuits
Gate‐Last MoS<sub>2</sub> Transistors for Active‐Matrix Display Driving Circuits Open
Advancements in display technology have primarily focused on discovering new materials to develop thin‐film transistors (TFTs) that complement mainstream technologies. The emerging 2D semiconductors are one of the most promising candidates…
View article: Observation of First-Order Quantum Phase Transitions and Ferromagnetism in Twisted Double Bilayer Graphene
Observation of First-Order Quantum Phase Transitions and Ferromagnetism in Twisted Double Bilayer Graphene Open
Twisted graphene multilayers are highly tunable flatband systems for developing new phases of matter. Thus far, while orbital ferromagnetism has been observed in valley-polarized phases, the long-range orders of other correlated phases as …
View article: Observation of first-order quantum phase transitions and ferromagnetism in twisted double bilayer graphene
Observation of first-order quantum phase transitions and ferromagnetism in twisted double bilayer graphene Open
Twisted graphene multilayers are highly tunable flatband systems for developing new phases of matter. Thus far, while orbital ferromagnetism has been observed in valley polarized phases, the long-range orders of other correlated phases as …
View article: Low power flexible monolayer MoS2 integrated circuits
Low power flexible monolayer MoS2 integrated circuits Open
Monolayer molybdenum disulfide (ML-MoS 2 ) is an emergent two-dimensional (2D) semiconductor holding potential for flexible integrated circuits (ICs). The most important demands for the application of such ML-MoS 2 ICs are low power consum…
View article: Real- and momentum-indirect neutral and charged excitons in a multi-valley semiconductor
Real- and momentum-indirect neutral and charged excitons in a multi-valley semiconductor Open
\nExcitons dominate the photonic and optoelectronic properties of a material. Although significant advancements exist in understanding various types of excitons, progress on excitons that are indirect in both real- and momentum-spaces is s…
View article: Quantum oscillations in field-induced correlated insulators of a moiré superlattice
Quantum oscillations in field-induced correlated insulators of a moiré superlattice Open
We report an observation of quantum oscillations (QOs) in the correlated insulators with valley anisotropy of twisted double bilayer graphene (TDBG). The anomalous QOs are best captured in the magneto resistivity oscillations of the insula…
View article: Epitaxial growth of trilayer graphene moiré superlattice
Epitaxial growth of trilayer graphene moiré superlattice Open
The graphene-based moiré superlattice has been demonstrated as an exciting system for investigating strong correlation phenomenon. However, the fabrication of such moiré superlattice mainly relies on transfer technology. Here, we report th…
View article: Low power flexible monolayer MoS2 integrated circuits
Low power flexible monolayer MoS2 integrated circuits Open
Low power flexible monolayer MoS2 integrated circuits
View article: Temperature-linear resistivity in twisted double bilayer graphene
Temperature-linear resistivity in twisted double bilayer graphene Open
We report an experimental study of carrier density (n), displacement field\n(D) and twist angle ({\\theta}) dependence of temperature (T)-linear resistivity\nin twisted double bilayer graphene (TDBG). For a large twist angle\n({\\theta}>1.…
View article: Quantum oscillations in field-induced correlated insulators of a moiré superlattice
Quantum oscillations in field-induced correlated insulators of a moiré superlattice Open
We report an observation of quantum oscillations (QOs) in the correlated insulators with valley anisotropy of twisted double bilayer graphene (TDBG). The anomalous QOs are best captured in the magneto resistivity oscillations of the insula…
View article: Hot-Pressed Two-Dimensional Amorphous Metals and Their Electronic Properties
Hot-Pressed Two-Dimensional Amorphous Metals and Their Electronic Properties Open
As an emerging research field, two-dimensional (2D) metals have been the subject of increasing research efforts in recent years due to their potential applications. However, unlike typical 2D layered materials, such as graphene, which can …
View article: Observation of quadratic magnetoresistance in twisted double bilayer graphene
Observation of quadratic magnetoresistance in twisted double bilayer graphene Open
Magnetoresistance (MR) provides rich information about Fermi surface, carrier scatterings, and exotic phases for a given electronic system. Here, we report a study of the magnetoresistance for the metallic states in twisted double bilayer …
View article: Layer-by-layer epitaxy of multi-layer MoS2 wafers
Layer-by-layer epitaxy of multi-layer MoS2 wafers Open
The 2D semiconductor of MoS2 has great potential for advanced electronics technologies beyond silicon. So far, high-quality monolayer MoS2 wafers have been available and various demonstrations from individual transistors to integrated circ…
View article: Layer-by-Layer Epitaxy of Multilayer MoS2 Wafers
Layer-by-Layer Epitaxy of Multilayer MoS2 Wafers Open
Two-dimensional (2D) semiconductor of MoS2 has great potential for advanced electronics technologies beyond silicon1-9. So far, high-quality monolayer MoS2 wafers10-12 are already available and various demonstrations from individual transi…
View article: Spatially indirect intervalley excitons in bilayer WSe2
Spatially indirect intervalley excitons in bilayer WSe2 Open
Spatially indirect excitons with displaced wavefunctions of electrons and holes play a pivotal role in a large portfolio of fascinating physical phenomena and emerging optoelectronic applications, such as valleytronics, exciton spin Hall e…
View article: Optically and magnetically addressable valley pseudospin of interlayer excitons in bilayer MoS2
Optically and magnetically addressable valley pseudospin of interlayer excitons in bilayer MoS2 Open
Interlayer valley excitons in bilayer MoS2 feature concurrently large oscillator strength and long lifetime, and hence represent an advantageous scenario for valleytronic applications. However, control of valley pseudospin of interlayer ex…
View article: Phonons and Quantum Criticality Revealed by Temperature Linear Resistivity in Twisted Double Bilayer Graphene
Phonons and Quantum Criticality Revealed by Temperature Linear Resistivity in Twisted Double Bilayer Graphene Open
Twisted double bilayer graphene (TDBG) is an electric-field-tunable moiré system, exhibiting electron correlated states and related temperature linear (T-linear) resistivity. The displacement field provides a new knob to in-situ tune the r…
View article: From magic angle twisted bilayer graphene to moiré superlattice quantum simulator
From magic angle twisted bilayer graphene to moiré superlattice quantum simulator Open
Since the correlated insulating states and superconductivity in magic angle twisted bilayer graphene were discovered, the twisted moiré superlattice has attracted a wide range of research interest, and even has brought a new field, “twistr…
View article: Observation of logarithmic Kohn anomaly in monolayer graphene
Observation of logarithmic Kohn anomaly in monolayer graphene Open
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