123 citations · 555 across the 45 of their papers we have counts for
46 papers
Multiferroic Quantum Dot in an Artificial van der Waals Heterostructure
Antti Karjasilta, Mohammad Amini, Liwei Jing +5
Quantum dots (QDs) provide a versatile platform for engineering quantum-confined electronic states with functionalities relevant for optoelectronics, spintronics, and quantum techn…
Emergent ferromagnetism in the NiI-NbSe van der Waals heterostructure
Büşra Gamze Arslan, Mohammad Amini, Ziying Wang +6
Multiferroicity arising from non-collinear spin textures and strong spin-orbit interactions offers a route to magnetoelectric functionality in the monolayer limit. Although theory…
Interaction-driven electronic ferroelectricity in van der Waals heterostructures
Ziying Wang, Ana Vera Montoto, Mohammad Amini +5
Strong electronic correlations in narrow-band systems provide a promising route to realize emergent quantum phases. While ferroelectricity in van der Waals materials is typically a…
Electrical Control of Altermagnetism in a Quasi-1D Magnet
Alberto M. Ruiz, Cuiju Yu, Diego López-Alcalá +3
Altermagnetism is a collinear magnetic state characterized by momentum-dependent spin splitting in fully compensated materials. While widely investigated in systems governed by thr…
Lattice Reconstruction and Orbital Hybridization Suppress Magnetism in TaCoTe
Ulysse Chazarin, Bharat C. Bathu, Zuned Ahmed +6
Structural reconstruction in low-dimensional quantum materials can strongly modify electronic symmetry and magnetic stability through orbital hybridization. Here, we investigate th…
Magnetoelectric flat band induced by a charge density wave in monolayer CrSe
Pablo Savino, M. del Carmen Fuente Santiago, Jan Phillips +4
We investigate the electronic and magnetic properties of the polar charge-density-wave (CDW) phase of CrSe using ab initio calculations. The CDW introd…
Tuning competing electronic phases in monolayer VSe via interface hybridization
Ishita Pushkarna, Árpád Pásztor, Greta Lupi +2
Competing electronic phases in two-dimensional transition metal dichalcogenides constitute a fertile platform for uncovering emergent ground states and elucidating the control para…
Molecular Hamiltonian learning from setpoint-dependent scanning tunneling spectroscopy
Greta Lupi, Adolfo O. Fumega, Mohammad Amini +3
Molecular quantum magnets adsorbed on surfaces exhibit rich spin and orbital excitations that can be probed by scanning tunneling microscopy with inelastic electron tunneling spect…
Atomic-scale probe of molecular magneto-electric coupling
Mohammad Amini, Linghao Yan, Orlando J. Silveira +6
Van der Waals heterostructures are a core tool in quantum material design. The recent addition of monolayer ferroelectrics expands the possibilities of designer materials. Ferroele…
Moiré modulated quantum spin liquid candidate 1T-TaSe
Ziying Wang, Adolfo O. Fumega, Ana Vera Montoto +7
Quantum spin liquids are quantum phases of matter featuring collectively entangled states and emergent fractional many-body excitations. While methods exist to probe three-dimensio…
Hamiltonian learning quantum magnets with dynamical impurity tomography
Netta Karjalainen, Greta Lupi, Rouven Koch +2
Nanoscale engineered spin systems, ranging from spins on surfaces to nanographenes, provide flexible platforms to realize entangled quantum magnets from a bottom-up approach. Howev…
First-order phase transition driven by competing charge-order fluctuations in 1T'-TaTe
S. K. Mahatha, A. Kar, J. Corral-Sertal +20
First-order phase transitions, characterized by a discontinuous change in the order parameter, are intriguing phenomena in condensed matter physics. However, the underlying, materi…
Observation of electromagnons in a monolayer multiferroic
Mohammad Amini, Tiago V. C. Antão, Liwei Jing +7
Van der Waals multiferroics have emerged as a promising platform to explore novel magnetoelectric phenomena. Recently, it has been shown that monolayer NiI hosts robust type-II…
Observation of tunable chiral spin textures with nonlinear optics
Youqiang Huang, Tiago V. C. Antao, Adolfo O. Fumega +14
Chiral spin textures, such as spin spirals and skyrmions, are key to advancing spintronics by enabling ultrathin, energy-efficient memory, and high-density data storage and process…
Tensor network method for real-space topology in quasicrystal Chern mosaics
Tiago V. C. Antão, Yitao Sun, Adolfo O. Fumega +1
Computing topological invariants in two-dimensional quasicrystals and super-moire matter is a remarkable open challenge, due to the absence of translational symmetry and the coloss…
Multiferroic nematic d-wave altermagnetism driven by orbital-order on the honeycomb lattice
Luigi Camerano, Adolfo O. Fumega, Jose L. Lado +2
Altermagnets provide promising platforms for unconventional magnetism, whose controllability would enable a whole new generation of spintronic devices. While a variety of bulk alte…
Self-consistent tensor network method for correlated super-moiré matter beyond one billion sites
Yitao Sun, Marcel Niedermeier, Tiago V. C. Antão +2
Moiré and super-moiré materials provide exceptional platforms to engineer exotic correlated quantum matter. The vast number of sites required to model moiré systems in real space r…
An ab initio description of the family of Cr selenides: structure, magnetism and electronic structure from bulk to the single-layer limit
Jan Phillips, Adolfo O. Fumega, S. Blanco-Canosa +1
Compounds based on Cr have been found to be among the first single-layer magnets. In addition, transition metal dichalcogenides are promising candidates to show long-range ferromag…
Strain-induced two-dimensional topological crystalline insulator
Liwei Jing, Mohammad Amini, Adolfo O. Fumega +4
Topological crystalline insulators (TCIs) host topological phases of matter protected by crystal symmetries. Topological surface states in three-dimensional TCIs have been predicte…
Multicomponent magneto-orbital order and magneto-orbitons in monolayer VCl3
Luigi Camerano, Adolfo O. Fumega, Gianni Profeta +1
Van der Waals monolayers featuring magnetic states provide a fundamental building block for artificial quantum matter. Here, we establish the emergence of a multicomponent ground s…
Correlated states in super-moiré materials with a kernel polynomial quantics tensor cross interpolation algorithm
Adolfo O. Fumega, Marcel Niedermeier, Jose L. Lado
Super-moiré materials represent a novel playground to engineer states of matter beyond the possibilities of conventional moiré materials. However, from the computational point of v…
Electric field control of moiré skyrmion phases in twisted multiferroic NiI bilayers
Tiago V. C. Antão, Jose L. Lado, Adolfo O. Fumega
Twisted magnetic van der Waals materials provide a flexible platform to engineer new forms of unconventional magnetism. Here we demonstrate the emergence of electrically tunable to…
Electrical control of magnons in multiferroic NiI
Andrey Rybakov, Adolfo O. Fumega, Dorye L. Esteras +2
Layered van der Waals two-dimensional (2D) magnets are a cornerstone of ultrathin spintronic and magnonic devices. The recent discovery of a 2D multiferroic with strong magnetoelec…
Heisenberg Spin-1/2 Antiferromagnetic Molecular Chains
Kewei Sun, Nan Cao, Orlando J. Silveira +7
Carbon-based nanostructures possessing π-electron magnetism have attracted tremendous interest due to their great potential for nano spintronics. In particular, quantum chains with…