Andreas Leithe‐Jasper
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View article: Thorium-Based Iron Arsenide with Fe–Fe Bonding
Thorium-Based Iron Arsenide with Fe–Fe Bonding Open
This work presents a study on a new thorium iron arsenide, Th2Fe12As7, a second discovered compound in the ternary system. It crystallizes in the noncentrosymmetric hexagonal Zr2Fe12P7 structure type (space group P6, a = 9.5506(4) Å and c …
View article: Chemical Facets of Superconductivity in UTe<sub>2</sub>
Chemical Facets of Superconductivity in UTe<sub>2</sub> Open
Understanding superconductivity requires a deep comprehension of the chemical structure. The discovery of a new unconventional superconductor UTe2 a few years ago prompted many detailed investigations of its physical properties. Despite it…
View article: Intermediate-valence behavior in U2Rh2Sb
Intermediate-valence behavior in U2Rh2Sb Open
Intermediate-valence behavior is sometimes observed in lanthanide-based materials containing Ce, Yb, Sm or Eu. However, the number of actinide-based systems that exhibit this type of behavior is rather limited. In this work, we present the…
View article: Magnetism and electrical and thermal transport in the natural Fe<sub>1−<i>x</i></sub>Mn<sub><i>x</i></sub>WO<sub>4</sub> (<i>x</i> = 0.2) mineral from Potosí, Bolivia
Magnetism and electrical and thermal transport in the natural Fe<sub>1−<i>x</i></sub>Mn<sub><i>x</i></sub>WO<sub>4</sub> (<i>x</i> = 0.2) mineral from Potosí, Bolivia Open
Natural single crystalline Fe 0.8 Mn 0.2 WO 4 orders antiferromagnetically and reveals low thermal conductivity above the ordering temperature.
View article: Yb<sub>5</sub>Rh<sub>6</sub>Sn<sub>18</sub>: a valence fluctuating system with ultra-low thermal conductivity
Yb<sub>5</sub>Rh<sub>6</sub>Sn<sub>18</sub>: a valence fluctuating system with ultra-low thermal conductivity Open
Yb 5 Rh 6 Sn 18 is a valence fluctuating system with a unique structural arrangement characterized by the enlarged Friauf polyhedra incorporating rattling Sn atoms, which causes additional phonon scattering and thus, reduction of thermal c…
View article: Quantifying the U <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>5</mml:mn><mml:mi>f</mml:mi></mml:mrow></mml:math> covalence and degree of localization in U intermetallics
Quantifying the U covalence and degree of localization in U intermetallics Open
A procedure for quantifying the U 5f electronic covalency and degree of localization in U intermetallic compounds is presented. To this end, bulk sensitive hard and soft x-ray photoelectron spectroscopy were utilized in combination with de…
View article: Quantifying the U $5f$ covalence and degree of localization in U intermetallics
Quantifying the U $5f$ covalence and degree of localization in U intermetallics Open
A procedure for quantifying the U $5f$ electrons' covalence and degree of localization in U intermetallic compounds is presented. To this end, bulk sensitive hard and soft x-ray photoelectron spectroscopy were utilized in combination with …
View article: Charge Transfer in Be−Ru Compounds
Charge Transfer in Be−Ru Compounds Open
During the investigation of the binary system Be−Ru two new phases – Be 7 Ru 4 and Be 12 Ru 7 – with similar compositions (63.6 at. % Be and 63.2 at. % Be, respectively), are discovered. They both represent new structural prototypes. The p…
View article: CSD 2266765: Experimental Crystal Structure Determination
CSD 2266765: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2266786: Experimental Crystal Structure Determination
CSD 2266786: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Structural Complexity in the Apparently Simple Crystal Structure of Be<sub>2</sub>Ru
Structural Complexity in the Apparently Simple Crystal Structure of Be<sub>2</sub>Ru Open
The structural features of the hexagonal layered crystal structure of Be 2 Ru ( a =5.7508(3) Å, c =3.0044(2) Å, space group P 2 m ) were investigated by single crystal X‐ray diffraction and transmission electron microscopy (TEM). The resid…
View article: CSD 2204705: Experimental Crystal Structure Determination
CSD 2204705: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Chemical and Physical Properties of YHg<sub>3</sub> and LuHg<sub>3</sub>
Chemical and Physical Properties of YHg<sub>3</sub> and LuHg<sub>3</sub> Open
Amalgams have played an important role in fundamental and applied solid-state chemistry and physics because of the diversity of crystallographic features and properties that they have to offer. Moreover, their peculiar chemical properties …
View article: CSD 2184841: Experimental Crystal Structure Determination
CSD 2184841: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Mg<sub>29–<i>x</i></sub>Pt<sub>4+<i>y</i></sub>: Chemical Bonding Inhomogeneity and Structural Complexity
Mg<sub>29–<i>x</i></sub>Pt<sub>4+<i>y</i></sub>: Chemical Bonding Inhomogeneity and Structural Complexity Open
[Image: see text] Mg(29–x)Pt(4+y) represents the family of complex intermetallic compounds (complex metallic alloys, CMAs). It crystallizes in the cubic non-centrosymmetric space group F4̅3m with a = 20.1068(2) Å and around 400 atoms in a p…
View article: Chemical Bonding in the Intermetallic Compounds LaBeGe and ThBeGe
Chemical Bonding in the Intermetallic Compounds LaBeGe and ThBeGe Open
The bonding situation in the intermetallic compounds LaBeGe and ThBeGe were investigated using the wavefunctions generated from the all‐electron relativistic density functional calculations. Following the quantum theory of atoms in molecul…
View article: Be<sub>3</sub>Ru: Polar Multiatomic Bonding in the Closest Packing of Atoms
Be<sub>3</sub>Ru: Polar Multiatomic Bonding in the Closest Packing of Atoms Open
The new phase Be 3 Ru crystallizes with TiCu 3 ‐type structure (space group Pmmn (59), a =3.7062(1) Å, b =4.5353(1) Å, c =4.4170(1) Å), a coloring variant of the hexagonal closest packing ( hcp ) of spheres. The electronic structure reveal…
View article: CSD 2161298: Experimental Crystal Structure Determination
CSD 2161298: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2161297: Experimental Crystal Structure Determination
CSD 2161297: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Pressure Tuning of Superconductivity of LaPt4Ge12 and PrPt4Ge12 Single Crystals
Pressure Tuning of Superconductivity of LaPt4Ge12 and PrPt4Ge12 Single Crystals Open
We carried out electrical resistivity and X-ray diffraction (XRD) studies on the filled skutterudite superconductors LaPt4Ge12 and PrPt4Ge12 under hydrostatic pressure. The superconducting transition temperature Tc is linearly suppressed u…
View article: CSD 2124251: Experimental Crystal Structure Determination
CSD 2124251: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2089451: Experimental Crystal Structure Determination
CSD 2089451: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Mg<sub>3</sub>Pt<sub>2</sub>: Anionic Chains in a Eu<sub>3</sub>Ga<sub>2</sub>-Type Structure
Mg<sub>3</sub>Pt<sub>2</sub>: Anionic Chains in a Eu<sub>3</sub>Ga<sub>2</sub>-Type Structure Open
The binary phase Mg3Pt2 was prepared by direct reaction between the elements or by spark-plasma synthesis starting with MgH2 and PtCl2. The compound crystallizes in the monoclinic space group C2/c with a = 7.2096(3) Å, b = 7.1912(4) Å, c =…
View article: From antiferromagnetic and hidden order to Pauli paramagnetism in U <i>M</i> <sub>2</sub> Si <sub>2</sub> compounds with 5 <i>f</i> electron duality
From antiferromagnetic and hidden order to Pauli paramagnetism in U <i>M</i> <sub>2</sub> Si <sub>2</sub> compounds with 5 <i>f</i> electron duality Open
Significance The interplay of band-formation and electron-correlation effects in uranium heavy fermion compounds is the subject of an ongoing debate. Here unexpected insight has been gained from advanced spectroscopies on isostructural mem…
View article: Crystal Structure and Physical Properties of the Cage Compound Hf<sub>2</sub>B<sub>2–2δ</sub>Ir<sub>5+δ</sub>
Crystal Structure and Physical Properties of the Cage Compound Hf<sub>2</sub>B<sub>2–2δ</sub>Ir<sub>5+δ</sub> Open
Hf2B2-2δIr5+δ crystallizes with a new type of structure: space group Pbam, a = 5.6300(3) Å, b = 11.2599(5) Å, and c = 3.8328(2) Å. Nearly 5% of the boron pairs are randomly replaced by single iridium atoms (Ir5+δB2-2δ). From an analysis of…
View article: CSD 2023792: Experimental Crystal Structure Determination
CSD 2023792: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Single-gap versus two-gap scenario: Specific heat and thermodynamic critical field of the noncentrosymmetric superconductor BeAu
Single-gap versus two-gap scenario: Specific heat and thermodynamic critical field of the noncentrosymmetric superconductor BeAu Open
The puzzling situation where some thermodynamic quantities require a\nsingle-gap description, while others need a more complex gap scenario, is\ndiscussed. Our approach reveals that in some cases, the conclusions based on\nmeasurements of …