Iowa State University

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2019 · cond-mat.mtrl-sciShow all

29 papers · 2 filters

cond-mat.mtrl-sci2019★ 36 cited

Mechanisms of skyrmion and skyrmion crystal formation from the conical phase

Taehoon Kim, Haijun Zhao, Ben Xu +6

Real-space topological magnetic structures such as skyrmions and merons are promising candidates for information storage and transport. However, the microscopic mechanisms that con…

cond-mat.mtrl-sci2019★ 47 cited

Vacancy-mediated complex phase selection in high entropy alloys

Prashant Singh, Srinivasa Thimmaiah, Bryce Thoeny +4

Phase selection in Ti-Zr-Hf-Al high-entropy alloys was investigated by in-situ high-energy X $-$ ray diffraction, single-crystal X $-$ ray diffraction, and density-functional theory ba…

cond-mat.mtrl-sci2019★ 2 cited

In situ quantitative study of plastic strain-induced phase transformations under high pressure: Example for ultra-pure Zr

K. K. Pandey, Valery I. Levitas

The first in situ quantitative synchrotron X-ray diffraction (XRD) study of plastic strain-induced phase transformation (PT) has been performed on $α - ω$ PT in ultra-pure, strongly…

cond-mat.mtrl-sci2019★ 85 cited

First-principles concentration-wave approach to predict incipient order in high-entropy alloys: case of Ti $_{0.25}$ CrFeNiAl $_{x}$

Prashant Singh, A. V. Smirnov, Aftab Alam +1

Multi-principal-element alloys, including high-entropy alloys, experience segregation or partially-ordering as they are cooled to lower temperatures. For Ti $_{0.25}$ CrFeNiAl $_{x}$ ,…

cond-mat.mtrl-sci2019★ 99 cited

Intrinsic axion insulating behavior in antiferromagnetic MnBi $_{6}$ Te $_{10}$

Na Hyun Jo, Lin-Lin Wang, Robert-Jan Slager +6

A striking feature of time reversal symmetry (TRS) protected topological insulators (TIs) is that they are characterized by a half integer quantum Hall effect on the boundary when…

cond-mat.mtrl-sci2019★ 93 cited

Uncompensated Polarization in Incommensurate Modulations of Perovskite Antiferroelectrics

Tao Ma, Zhongming Fan, Bin Xu +6

Complex polar structures of incommensurate modulations (ICMs) are revealed in chemically modified PbZrO $_{3}$ perovskite antiferroelectrics using advanced transmission electron micro…

cond-mat.mtrl-sci2019★ 69 cited

Predicting Complex Relaxation Processes in Metallic Glass

Yang Sun, Si-Xu Peng, Qun Yang +5

Relaxation processes significantly influence the properties of glass materials. However, understanding their specific origins is difficult, even more challenging is to forecast the…

cond-mat.mtrl-sci2019★ 24 cited

Skyrmions and spirals in MnSi under hydrostatic pressure

Lars J. Bannenberg, Ravil Sadykov, Robbert M. Dalgliesh +7

The archetype cubic chiral magnet MnSi is home to some of the most fascinating states in condensed matter such as skyrmions and a non-Fermi liquid behavior in conjunction with a to…

cond-mat.mtrl-sci2019★ 444 cited

Fatigue-resistant high-performance elastocaloric materials via additive manufacturing

Huilong Hou, Emrah Simsek, Tao Ma +15

Elastocaloric cooling, which exploits the latent heat released and absorbed as stress-induced phase transformations are reversibly cycled in shape memory alloys, has recently emerg…

cond-mat.mtrl-sci2019★ 7 cited

Study of the ferromagnetic quantum phase transition in Ce $_{3 - x}$ Mg $_{x}$ Co $_{9}$

Tej N. Lamichhane, Valentin Taufour, Andriy Palasyuk1 +2

The Ce $_{3 - x}$ Mg $_{x}$ Co $_{9}$ system evolves from a Pauli paramagnetic ground state for $x = 0$ to a ferromagnetic ground state for $x \approx 0.80$ in single phase, polycrystalline s…

cond-mat.mtrl-sci2019★ 132 cited

New Materials Physics

Paul C. Canfield

This review presents a survey of, and guide to, New Materials Physics research. It begins with an overview of the goals of New Materials Physics and then presents important ideas a…

cond-mat.mtrl-sci2019★ 40 cited

Exploring the role of electronic structure on photo-catalytic behavior of carbon-nitride polymorphs

Sujoy Datta, Prashant Singh, Debnarayan Jana +4

A fully self-consistent density-functional theory (DFT) with improved functionals is used to provide a comprehensive account of structural, electronic, and optical properties of C$…

cond-mat.mtrl-sci2019★ 7 cited

Theoretical prediction of a highly responsive material: Spin fluctuations and superconductivity in FeNiB2 system

Renhai Wang, Yang Sun, Vladimir Antropov +3

By analyzing Fe-Ni-B compositional diagram we predict an energetically and dynamically stable FeNiB2 compound. This system belongs to the class of highly responsive state of materi…

cond-mat.mtrl-sci2019★ 196 cited

Gapless Dirac surface states in the antiferromagnetic topological insulator MnBi2Te4

Przemyslaw Swatek, Yun Wu, Lin-Lin Wang +4

We use high-resolution, tunable angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations to study the electronic properties of single crys…

cond-mat.mtrl-sci2019★ 39 cited

Ultrafast Control of Excitonic Rashba Fine Structure by Phonon Coherences in a Metal Halide Perovskite CH $_{3}$ NH $_{3}$ PbI $_{3}$

Z. Liu, C. Vaswani, X. Yang +14

We discover hidden Rashba fine structure in CH $_{3}$ NH $_{3}$ PbI $_{3}$ and demonstrate its quantum control by vibrational coherence through symmetry-selective vibronic (electron-phonon) c…

cond-mat.mtrl-sci2019★ 2 cited

NMR and $μ^{+}$ SR detection of unconventional spin dynamics in Er(trensal) and Dy(trensal) molecular magnets

E. Lucaccini, L. Sorace, F. Adelnia +7

Measurements of proton Nuclear Magnetic Resonance (1H NMR) spectra and relaxation and of Muon Spin Relaxation ( $μ^{+}$ SR) have been performed as a function of temperature and exter…

cond-mat.mtrl-sci2019★ 181 cited

Evolution of structural, magnetic and transport properties in MnBi2-xSbxTe4

J. -Q. Yan, S. Okamoto, M. A. McGuire +3

Here we report the evolution of structural, magnetic and transport properties in MnBi $_{2 - x}$ Sb $_{x}$ Te $_{4}$ (0 $\leq x \leq$ 2) single crystals. MnSb $_{2}$ Te $_{4}$ , isostructural to MnBi$_…

cond-mat.mtrl-sci2019★ 33 cited

Fragility of Fermi arcs in Dirac semimetals

Yun Wu, Na Hyun Jo, Lin-Lin Wang +8

We use tunable, vacuum ultraviolet laser-based angle-resolved photoemission spectroscopy and density functional theory calculations to study the electronic properties of Dirac semi…

cond-mat.mtrl-sci2019

Ultrahigh Elastically Compressible and Strain-Engineerable Intermetallic Compounds Under Uniaxial Mechanical Loading

Gyuho Song, Vladislav Borisov, William R. Meier +6

Intermetallic compounds possess unique atomic arrangements that often lead to exceptional material properties, but their extreme brittleness usually causes fracture at a limited st…

cond-mat.mtrl-sci2019★ 343 cited

Crystal growth and magnetic structure of MnBi2Te4

J. -Q. Yan, Q. Zhang, T. Heitmann +5

Millimeter-sized MnBi $_{2}$ Te $_{4}$ single crystals are grown out of Bi-Te flux and characterized by measuring magnetic and transport properties, scanning tunneling microscope (STM) an…

cond-mat.mtrl-sci2019★ 19 cited

Near room temperature antiferromagnetic ordering with a potential low dimensional magnetism in AlMn $_{2}$ B $_{2}$

Tej N. Lamichhane, Khusboo Rana, Qisheng Lin +3

We present self flux growth and characterization of single crystalline AlMn $_{2}$ B $_{2}$ . It is an orthorhombic (space group Cmmm), layered material with a plate like morphology. The a…

cond-mat.mtrl-sci2019★ 63 cited

Sub-picosecond photo-induced displacive phase transition in two-dimensional MoTe $_{2}$

Bo Peng, Hao Zhang, Weiwen Chen +6

Photo-induced phase transitions (PIPTs) provide an ultrafast, energy-efficient way for precisely manipulating the topological properties of transition-metal ditellurides, and can b…

cond-mat.mtrl-sci2019★ 6 cited

Competitive B2 and B33 Nucleation during Solidification of Ni50Zr50 Alloy: Molecular Dynamics Simulation and Classical Nucleation Theory

Yang Sun, Feng Zhang, Huajing Song +3

We investigated the homogenous nucleation of the stoichiometric B2 and B33 phases in the Ni50Zr50 alloy using the persistent embryo method and the classical nucleation theory. The…

cond-mat.mtrl-sci2019★ 22 cited

Use of Cernox thermometers in AC specific heat measurements under pressure

Elena Gati, Gil Drachuck, Li Xiang +3

We report on the resistance behavior of bare-chip Cernox thermometers under pressures up to 2 GPa, generated in a piston-cylinder pressure cell. Our results clearly show that Cerno…