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Charge density wave induced nodal lines in LaTe
Shuvam Sarkar, Joydipto Bhattacharya, Pampa Sadhukhan +11
LaTe is a noncentrosymmetric (NC) material with time reversal (TR) symmetry in which the charge density wave (CDW) is hosted by the Te bilayers. Here, we show that LaTe hos…
Epitaxial growth of a two-dimensional topological insulator candidate: monolayer Si2Te2
Xiaochun Huang, Rui Xiong, Klara Volckaert +9
Hexagonal Si2Te2 monolayers (ML-Si2Te2) were predicted to show strain-dependent band-crossover between semiconducting and room-temperature quantum spin Hall phases. However, invest…
Tracking the surface atomic motion in a coherent phonon oscillation
Davide Curcio, Klara Volckaert, Dmytro Kutnyakhov +10
X-ray photoelectron diffraction is a powerful tool for determining the structure of clean and adsorbate-covered surfaces. Extending the technique into the ultrafast time domain wil…
One-dimensional electronic states in a natural misfit structure
Alla Chikina, Gargee Bhattacharyya, Davide Curcio +7
Misfit compounds are thermodynamically stable stacks of two-dimensional materials, forming a three-dimensional structure that remains incommensurate in one direction parallel to th…
Single-crystal graphene on Ir(110)
Stefan Kraus, Felix Huttmann, Jeison Fischer +12
A single-crystal sheet of graphene is synthesized on the low-symmetry substrate Ir(110) by thermal decomposition of CH at 1500 K. Using scanning tunneling microscopy, low-e…
Bulk band structure of SbTe determined by angle-resolved photoemission spectroscopy
Henriette E. Lund, Klara Volckaert, Paulina Majchrzak +4
The bulk band structure of the topological insulator \sbte~ is investigated by angle-resolved photoemission spectroscopy. Of particular interest is the dispersion of the uppermost…