117 citations · 505 across the 25 of their papers we have counts for
25 papers
Tunable polar distortions and magnetism in GdLaPtSb epitaxial films
Dongxue Du, Cheyu Zhang, Jingrui Wei +5
Hexagonal intermetallics are predicted to have tunable ferroelectric, topological, and magnetic properties as a function of the polar buckling of atomic planes. We repor…
Cold Seeded Epitaxy and Flexomagnetism in Smooth GdAuGe Membranes Exfoliated from graphene/Ge(111)
Z LaDuca, T Samanta, N Hagopian +7
Remote and van der Waals epitaxy are promising approaches for synthesizing single crystalline membranes for flexible electronics and discovery of new properties via extreme strain;…
Control of ternary alloy composition during remote epitaxy on graphene
Zach LaDuca, Katherine Su, Sebastian Manzo +2
Understanding the sticking coefficient , i.e., the probability of an adatom sticking to a surface, is essential for controlling the stoichiometry during epitaxial film growth. H…
Effect of Pt vacancies on magnetotransport of Weyl semimetal candidate GdPtSb epitaxial films
Dongxue Du, Laxman Raju Thoutam, Konrad T. Genser +5
We examine the effects of Pt vacancies on the magnetotransport properties of Weyl semimetal candidate GdPtSb films, grown by molecular beam epitaxy on c-plane sapphire. Rutherford…
Perspective: strain and strain gradient engineering in membranes of quantum materials
Dongxue Du, Jiamian Hu, Jason K Kawasaki
Strain is powerful for discovery and manipulation of new phases of matter; however, the elastic strains accessible to epitaxial films and bulk crystals are typically limited to sma…
Controlling the balance between remote, pinhole, and van der Waals epitaxy of Heusler films on graphene/sapphire
Dongxue Du, Taehwan Jung, Sebastian Manzo +6
Remote epitaxy on monolayer graphene is promising for synthesis of highly lattice mismatched materials, exfoliation of free-standing membranes, and re-use of expensive substrates.…
Free-Standing Epitaxial SrTiO Nanomembranes via Remote Epitaxy using Hybrid Molecular Beam Epitaxy
Hyojin Yoon, Tristan K. Truttmann, Fengdeng Liu +12
The epitaxial growth of functional materials using a substrate with a graphene layer is a highly desirable method for improving structural quality and obtaining free-standing epita…
Selective area epitaxy of GaAs films using patterned graphene on Ge
Zheng Hui Lim, Sebastian Manzo, Patrick J. Strohbeen +3
We demonstrate selective area epitaxy of GaAs films using patterned graphene masks on a Ge (001) substrate. The GaAs selectively grows on exposed regions of the Ge substrate, for g…
Structure and magnetism in Fe-doped FeVSb and epitaxial Fe/FeVSb nanocomposite films
Estiaque Shourov, Chenyu Zhang, Paul Voyles +1
The combination of ferromagnetism and semiconducting behavior offers an avenue for realizing novel spintronics and spin-enhanced thermoelectrics. Here we demonstrate the synthesis…
Quantifying Mn diffusion through transferred versus directly-grown graphene barriers
Patrick J. Strohbeen, Sebastian Manzo, Vivek Saraswat +3
We quantify the mechanisms for manganese (Mn) diffusion through graphene in Mn/graphene/Ge (001) and Mn/graphene/GaAs (001) heterostructures for samples prepared by graphene layer…
Pinhole-seeded lateral epitaxy and exfoliation of GaSb films on graphene-terminated surfaces
Sebastian Manzo, Patrick J. Strohbeen, Zheng-Hui Lim +3
Remote epitaxy is a promising approach for synthesizing exfoliatable crystalline membranes and enabling epitaxy of materials with large lattice mismatch. However, the atomic scale…
Solid phase epitaxial growth of the correlated-electron transparent conducting oxide SrVO3
Samuel D. Marks, Lin Lin, Peng Zuo +11
SrVO3 thin films with a high figure of merit for applications as transparent conductors were crystallized from amorphous layers using solid phase epitaxy (SPE). Epitaxial SrVO3 fil…
Interfacial Electron-Phonon Coupling Constants Extracted from Intrinsic Replica Bands in Monolayer FeSe/SrTiO
Brendan D. Faeth, Saien Xie, Shuolong Yang +10
The observation of replica bands by angle-resolved photoemission spectroscopy has ignited interest in the study of electron-phonon coupling at low carrier densities, particularly i…
Electronic correlations in the semiconducting half-Heusler compound FeVSb
Estiaque H. Shourov, Patrick J. Strohbeen, Dongxue Du +8
Electronic correlations are crucial to the low energy physics of metallic systems with localized and states; however, their effect on band insulators and semiconductors is…
Seeing atoms with an atomic force microscope
Zach Cresswell, Jason Kawasaki
In this activity, students will make a working model of an atomic force microscope (AFM). A permanent magnet attached to a compact disc (CD) strip acts as the sensor. The sensor is…
Epitaxy, exfoliation, and strain-induced magnetism in rippled Heusler membranes
Dongxue Du, Sebastian Manzo, Chenyu Zhang +6
Single-crystalline membranes of functional materials enable the tuning of properties via extreme strain states; however, conventional routes for producing membranes require the use…
Strain-stabilized superconductivity
Jacob P. Ruf, Hanjong Paik, Nathaniel J. Schreiber +12
Superconductivity is among the most fascinating and well-studied quantum states of matter. Despite over 100 years of research, a detailed understanding of how features of the norma…
Semi-adsorption-controlled growth window for half Heusler FeVSb epitaxial films
Estiaque H. Shourov, Ryan Jacobs, Wyatt A. Behn +8
The electronic, magnetic, thermoelectric, and topological properties of Heusler compounds (composition or ) are highly sensitive to stoichiometry and defects. Here we…
Control of polymorphism during epitaxial growth of hyperferroelectric candidate LiZnSb on GaSb (111)B
Dongxue Du, Patrick J. Strohbeen, Hanjong Paik +6
A major challenge for ferroelectric devices is the depolarization field, which competes with and often destroys long-range polar order in the limit of ultrathin films. Recent theor…
High electrical conductivity in the epitaxial polar metals LaAuGe and LaPtSb
Dongxue Du, Amber Lim, Chenyu Zhang +7
Polar metals are an intriguing class of materials that simultaneously host free carriers and polar structural distortions. Despite the name "polar metal," however, most well-studie…
Perspective: Heusler interfaces -- opportunities beyond spintronics?
Jason K. Kawasaki
Heusler compounds, in both cubic and hexagonal polymorphs, exhibit a remarkable range of electronic, magnetic, elastic, and topological properties, rivaling that of the transition…
Electronically enhanced layer buckling and Au-Au dimerization in epitaxial LaAuSb films
Patrick J. Strohbeen, Dongxue Du, Chenyu Zhang +5
We report the molecular beam epitaxial growth, structure, and electronic measurements of single-crystalline LaAuSb films on AlO (0001) substrates. LaAuSb belongs to a broad…
Cross-Sectional Scanning Tunneling Microscopy and Spectroscopy of Semimetallic ErAs Nanostructures Embedded in GaAs
Jason K. Kawasaki, Rainer Timm, Trevor E. Buehl +4
The growth and atomic/electronic structure of molecular beam epitaxy (MBE)-grown ErAs nanoparticles and nanorods embedded within a GaAs matrix are examined for the first time via c…
Local Density of States and Interface Effects in Semimetallic ErAs Nanoparticles Embedded in GaAs
Jason K. Kawasaki, Rainer Timm, Kris T. Delaney +3
The atomic and electronic structures of ErAs nanoparticles embedded within a GaAs matrix are examined via cross-sectional scanning tunneling microscopy and spectroscopy (XSTM/XSTS)…