Franklin Liou
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View article: Imaging Field‐Driven Melting of a Molecular Solid at the Atomic Scale
Imaging Field‐Driven Melting of a Molecular Solid at the Atomic Scale Open
Solid–liquid phase transitions are basic physical processes, but atomically resolved microscopy has yet to capture their full dynamics. A new technique is developed for controlling the melting and freezing of self‐assembled molecular struc…
View article: Imaging gate-induced molecular melting on a graphene field-effect transistor
Imaging gate-induced molecular melting on a graphene field-effect transistor Open
Solid-liquid phase transitions are fundamental physical processes, but atomically-resolved microscopy has yet to capture both the solid and liquid dynamics for such a transition. We have developed a new technique for controlling the meltin…
View article: Imaging gate-tunable Tomonaga–Luttinger liquids in 1H-MoSe2 mirror twin boundaries
Imaging gate-tunable Tomonaga–Luttinger liquids in 1H-MoSe2 mirror twin boundaries Open
View article: Imaging Reconfigurable Molecular Concentration on a Graphene Field-Effect Transistor
Imaging Reconfigurable Molecular Concentration on a Graphene Field-Effect Transistor Open
The spatial arrangement of adsorbates deposited onto a clean surface in vacuum typically cannot be reversibly tuned. Here we use scanning tunneling microscopy to demonstrate that molecules deposited onto graphene field-effect transistors e…
View article: Imaging reconfigurable molecular concentration on a graphene\n field-effect transistor
Imaging reconfigurable molecular concentration on a graphene\n field-effect transistor Open
The spatial arrangement of adsorbates deposited onto a clean surface in\nvacuum typically cannot be reversibly tuned. Here we use scanning tunneling\nmicroscopy to demonstrate that molecules deposited onto graphene field-effect\ntransistor…
View article: Evidence for quantum spin liquid behaviour in single-layer 1T-TaSe2 from scanning tunnelling microscopy
Evidence for quantum spin liquid behaviour in single-layer 1T-TaSe2 from scanning tunnelling microscopy Open
Some quantum spin liquids are expected to have an effective Fermi surface of fractionalized spinon excitations. The two-dimensional spin liquid candidate 1T-TaSe2 has charge density modulations that may be caused by an unstable spinon Ferm…
View article: Author Correction: Strong correlations and orbital texture in single-layer 1T-TaSe2
Author Correction: Strong correlations and orbital texture in single-layer 1T-TaSe2 Open
View article: Imaging spinon density modulations in a 2D quantum spin liquid
Imaging spinon density modulations in a 2D quantum spin liquid Open
Two-dimensional triangular-lattice antiferromagnets are predicted under some conditions to exhibit a quantum spin liquid ground state whose low-energy behavior is described by a spinon Fermi surface. Directly imaging the resulting spinons,…
View article: Strong correlations and orbital texture in single-layer 1T-TaSe2
Strong correlations and orbital texture in single-layer 1T-TaSe2 Open
View article: Visualizing Exotic Orbital Texture in the Single-Layer Mott Insulator 1T-TaSe2
Visualizing Exotic Orbital Texture in the Single-Layer Mott Insulator 1T-TaSe2 Open
Mott insulating behavior is induced by strong electron correlation and can lead to exotic states of matter such as unconventional superconductivity and quantum spin liquids. Recent advances in van der Waals material synthesis enable the ex…
View article: Length-Dependent Evolution of Type II Heterojunctions in Bottom-Up-Synthesized Graphene Nanoribbons
Length-Dependent Evolution of Type II Heterojunctions in Bottom-Up-Synthesized Graphene Nanoribbons Open
The ability to tune the band-edge energies of bottom-up graphene nanoribbons (GNRs) via edge dopants creates new opportunities for designing tailor-made GNR heterojunctions and related nanoscale electronic devices. Here we report the local…
View article: Correction to Persistent Charge-Density-Wave Order in Single-Layer TaSe<sub>2</sub>
Correction to Persistent Charge-Density-Wave Order in Single-Layer TaSe<sub>2</sub> Open
Corrections to the original paper are as follows: Page 692, line 6, left column. “centered at Γ (-0.5 eV < E < 0)” should be “centered at Γ (E < -1 eV)”. Page 692, line 2, right column. “E ≈ -0.5 eV” should be “V ≈ +0.6 V”.
View article: Persistent Charge-Density-Wave Order in Single-Layer TaSe<sub>2</sub>
Persistent Charge-Density-Wave Order in Single-Layer TaSe<sub>2</sub> Open
We present the electronic characterization of single-layer 1H-TaSe2 grown by molecular beam epitaxy using a combined angle-resolved photoemission spectroscopy, scanning tunneling microscopy/spectroscopy, and density functional t…
View article: Atomically precise graphene nanoribbon heterojunctions from a single molecular precursor
Atomically precise graphene nanoribbon heterojunctions from a single molecular precursor Open
View article: Order, disorder and mixing: The atomic structure of amorphous mixtures of titania and tantala
Order, disorder and mixing: The atomic structure of amorphous mixtures of titania and tantala Open
View article: Order within disorder: The atomic structure of ion-beam sputtered amorphous tantala (a-Ta2O5)
Order within disorder: The atomic structure of ion-beam sputtered amorphous tantala (a-Ta2O5) Open
Amorphous tantala (a-Ta2O5) is a technologically important material often used in high-performance coatings. Understanding this material at the atomic level provides a way to further improve performance. This work details extended X-ray ab…