Publications highlights

Structural Modulation and Enhanced Magnetic Ordering in Incommensurate K1–xCrSe2 Crystals

J. Am. Chem. Soc. 2025

Layered delafossite-type compounds and related transition metal dichalcogenides, characterized by their triangular net structures, serve as prototypical systems for exploring the intricate interplay between...

Efficient soft-chemical synthesis of large van-der-Waals crystals of the room-temperature ferromagnet 1T-CrTe2

J. Mater. Chem. A, 2025, Advance Article

We herein report on a fast and convenient soft-chemical synthesis approach towards large 1T-CrTe₂ van-der-Waals crystals. This compound is formed X-ray diffraction pure, with a complete conversion...

Controlling the Magnetic Properties of the van der Waals Multiferroic Crystals Co1–xNixI2

Chem. Mater. 2024

The structurally related compounds NiI₂ and CoI₂ are multiferroic van der Waals materials in which helimagnetic orders exist simultaneously with electric polarization. Here, we report on ...

Chemical Principles of Intrinsic Topological Superconductors

Chem. Mater. 2023

The concept of topological superconductivity has attracted immense interest in the physics community recently for several reasons: First, topological superconductors represent new phases of matter, which are...

Synthesis and anisotropic magnetic properties of LiCrTe2 single crystals with a triangular-lattice antiferromagnetic structure

J. Phys. Mater. 6 035001. 2023

We report on the synthesis of LiCrTe₂ single crystals and on their anisotropic magnetic properties. We have obtained these single crystals by employing a Te/Li-flux synthesis method. We find...

Dynamic magnetic crossover at the origin of the hidden-order in van der Waals antiferromagnet CrSBr

Nature Communications volume 13, 4745 (2022)

The van-der-Waals material CrSBr stands out as a promising two-dimensional magnet. Here, we report on its detailed magnetic and structural characteristics. We evidence that it undergoes a transition to an...

Crystal growth and structure of a high temperature polymorph of Sr2TiO4 with tetrahedral Ti-coordination, and transition to the Ruddlesden–Popper tetragonal phase

CrystEngComm, 2022,24, 3731-3740

Single crystals of transition metal oxides forming the Ruddlesden–Popper series are necessary for complete studies of their often exciting physical properties. In the strontium titanate family, crystal...

A Heavy Fermion Zn-Deficient CaBe2Ge2-Type Phase with Rare Ce-Based Ferromagnetism and Large Magnetoresistance

Chem. Mater. 2022 vol. 34, no. 5, p. 2352-2360

We report on the hitherto unknown compound CeZn_2−δGe₂ (δ ≈ 0.41). We find that this compound crystallizes in a defect version of the well-known CaBe₂Ge₂...

Group-9 Transition-Metal Suboxides Adopting the Filled-Ti2Ni Structure: A Class of Superconductors Exhibiting Exceptionally High Upper Critical Fields

Chem. Mater. 2021, 33, 22, 8722–8732

Ti₂Ni and the related η-carbide structure are known to exhibit various intriguing physical properties. The Ti₂Ni structure with the cubic space group Fd3̅m is surprisingly complex,...

Synthetic control over polymorph formation in the d-band semiconductor system FeS2

Chem. Sci., 2021, 12, 13870

Pyrite, also known as fool's gold is the thermodynamic stable polymorph of FeS₂. It is widely considered as a promising d-band semiconductor for various applications due to its intriguing physical...

Two-gap to single-gap superconducting transition on a honeycomb lattice in Ca1−xSrxAlSi

Phys. Rev. Research 3, 033192, 2021

We report on the structural and microscopic superconducting properties of the Ca1−xSrxAlSi solid solution. Specifically, we have realized the continuous solid solution, which for all members, other than x=0 ...

Superconductivity with High Upper Critical Field in the Cubic Centrosymmetric η-Carbide Nb4Rh2C1−δ

ACS Mater. Au 2021, 1, 1, 55–61

The upper critical field is a fundamental measure of the strength of superconductivity in a material. It is also a cornerstone for the realization of superconducting magnet applications. The critical field...

Polytypism and superconductivity in the NbS2 system

Dalton Trans., 2021,50, 3216-3223

We report on the phase formation and the superconducting properties in the NbS₂ system. Specifically, we have performed a series of standardized solid-state syntheses in this system, which allow us ...

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