O. Ivashko

activity

20152026

most citedMagnetic field controlled charge density wave coupling in underdoped YBa

_{2}

_{3}

_{6 + x}

169 citations · 606 across the 29 of their papers we have counts for

collaborators

Showing cond-mat.supr-conShow all

14 papers · 1 filter

cond-mat.supr-con2025★ 1 cited

Dynamic Competition between Cooper-Pair and Spin-Density-Wave Condensation

B. Decrausaz, M. Pikulski, O. Ivashko +13

Quantum matter phases may co-exist microscopically even when they display competing tendencies. A fundamental question is whether such a competition can be avoided through the elim…

cond-mat.supr-con2024★ 2 cited

Two-Dimensional Phase-Fluctuating Superconductivity in Bulk-Crystalline NdO $_{0.5}$ F $_{0.5}$ BiS $_{2}$

C. S. Chen, J. Küspert, I. Biało +11

We present a combined growth and transport study of superconducting single-crystalline NdO $_{0.5}$ F $_{0.5}$ BiS $_{2}$ . Evidence of two-dimensional superconductivity with significant p…

cond-mat.supr-con2024★ 6 cited

Tuning of Charge Order by Uniaxial Stress in a Cuprate Superconductor

Laure Thomarat, Frank Elson, Elisabetta Nocerino +12

Strongly correlated electron materials are often characterized by competition and interplay of multiple quantum states. For example, in high-temperature cuprate superconductors unc…

cond-mat.supr-con2023★ 1 cited

Searching for the signature of a pair density wave in YBa $_{2}$ Cu $_{3}$ O $_{6.67}$ using high energy X-ray diffraction

Elizabeth Blackburn, Oleh Ivashko, Emma Campillo +7

We have carried out a search for a pair density wave signature using high-energy X-ray diffraction in fields up to 16 T. We do not see evidence for a signal at the predicted waveve…

cond-mat.supr-con2023★ 20 cited

Charge order above room-temperature in a prototypical kagome superconductor La(Ru $_{1 - x}$ Fe $_{x}$ ) $_{3}$ Si $_{2}$

I. Plokhikh, C. Mielke, H. Nakamura +22

The kagome lattice is an intriguing and rich platform for discovering, tuning and understanding the diverse phases of quantum matter, which is a necessary premise for utilizing qua…

cond-mat.supr-con2023★ 12 cited

Designing the stripe-ordered cuprate phase diagram through uniaxial-stress

Z. Guguchia, D. Das, G. Simutis +23

The ability to efficiently control charge and spin in the cuprate high-temperature superconductors is crucial for fundamental research and underpins technological development. Here…

cond-mat.supr-con2022★ 8 cited

Role of Local Ru Hexamers in Superconductivity of Ruthenium Phosphide

Robert J. Koch, Niraj Aryal, Oleh Ivashko +7

Superconductivity in binary ruthenium pnictides occurs proximal to and upon suppression of a mysterious non-magnetic ground state, preceded by a pseudogap phase associated with Fer…

cond-mat.supr-con2022★ 19 cited

Crystal Symmetry of Stripe Ordered La1.88Sr0.12CuO4

Ruggero Frison, Julia Kuespert, Qisi Wang +12

We present a combined x-ray and neutron diffraction study of the stripe ordered superconductor \lscox{0.12}. The average crystal structure is consistent with the orthorhombic $Bmab…

cond-mat.supr-con2019★ 31 cited

High-Temperature Charge-Stripe Correlations in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$

Qisi Wang, M. Horio, K. von Arx +24

We use resonant inelastic x-ray scattering to investigate charge-stripe correlations in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$ . By differentiating elastic from inelastic scatter…

cond-mat.supr-con2019★ 1 cited

Decoupling of Lattice and Orbital Degrees of Freedom in an Iron-Pnictide Superconductor

Christian E. Matt, O. Ivashko, M. Horio +16

The interplay of structural and electronic phases in iron-based superconductors is a central theme in the search for the superconducting pairing mechanism. While electronic nematic…

cond-mat.supr-con2019★ 21 cited

Spatially Inhomogeneous Competition between Superconductivity and the Charge Density Wave in YBa $_{2}$ Cu $_{3}$ O $_{6.67}$

J. Choi, O. Ivashko, E. Blackburn +13

The charge density wave in the high-temperature superconductor YBa $_{2}$ Cu $_{3}$ O $_{7 - x}$ (YBCO) is now known to have two different ordering tendencies differentiated by their $c$ -axis…

cond-mat.supr-con2017★ 13 cited

Charge-Stripe Order and Superconductivity in $I r_{1 - x} P t_{x} T e_{2}$

O. Ivashko, L. Yang, D. Destraz +14

A combined resistivity and hard x-ray diffraction study of superconductivity and charge ordering in $I r_{1 - x} P t_{x} T e_{2}$ , as a function of Pt substitution and externally app…

cond-mat.supr-con2017★ 26 cited

Damped spin excitations in a doped cuprate superconductor with orbital hybridization

O. Ivashko, N. E. Shaik, X. Lu +13

A resonant inelastic x-ray scattering (RIXS) study of overdamped spin-excitations in slightly underdoped La $_{2 - x}$ Sr $_{x}$ CuO $_{4}$ (LSCO) with $x = 0.12$ and $0.145$ is presented. Th…

cond-mat.supr-con2015★ 169 cited

Magnetic field controlled charge density wave coupling in underdoped YBa $_{2}$ Cu $_{3}$ O $_{6 + x}$

J. Chang, E. Blackburn, O. Ivashko +10

The application of large magnetic fields ( $B \sim B_{c 2}$ ) to layered cuprates suppresses their high temperature superconducting behaviour and reveals competing ground states. In t…

Dynamic Competition between Cooper-Pair and Spin-Density-Wave Condensation

Two-Dimensional Phase-Fluctuating Superconductivity in Bulk-Crystalline NdO0.5​F0.5​BiS2​

Tuning of Charge Order by Uniaxial Stress in a Cuprate Superconductor

Searching for the signature of a pair density wave in YBa2​Cu3​O6.67​ using high energy X-ray diffraction

Charge order above room-temperature in a prototypical kagome superconductor La(Ru1−x​Fex​)3​Si2​