Evolution of electronic structure across the rare-earth RNiO3 series

Freeland, John W.; van Veenendaal, Michel; Chakhalian, Jak

doi:10.1016/j.elspec.2015.07.006

Title: Evolution of electronic structure across the rare-earth RNiO₃ series

Abstract

Here, the perovksite rare-earth nickelates, RNiO₃ (R = La… Lu), are a class of materials displaying a rich phase-diagram of metallic and insulating phases associated with charge and magnetic order. Being in the charge transfer regime, Ni³⁺ in octahedral coordination displays a strong hybridization with oxygen to form 3d-2p mixed states, which results in a strong admixture of 3d⁸L_ into 3d⁷, where L_ denotes a hole on the oxygen. To understand the nature of this strongly hybridized ground state, we present a detailed study of the Ni and O electronic structure using high-resolution soft X-ray absorption spectroscopy (XAS). Through a comparison of the evolution of the XAS line-shape at Ni L- and O K-edges across the phase diagram, we explore the changes in the electronic signatures in connection with the insulating and metallic phases that support the idea of hybridization playing a fundamental role.

Authors:

Freeland, John W. ^[1]; van Veenendaal, Michel ^[2]; Chakhalian, Jak ^[3]

Argonne National Lab. (ANL), Argonne, IL (United States)
Northern Illinois Univ., DeKalb, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Arkansas, Fayetteville, AR (United States)

Publication Date:: Fri Jul 31 00:00:00 EDT 2015

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: Argonne National Laboratory - Advanced Photon Source; USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1360222

Alternate Identifier(s):: OSTI ID: 1247221

Grant/Contract Number:: AC02-06CH11357; GBMF4534; 0402-17291

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Electron Spectroscopy and Related Phenomena

Additional Journal Information:: Journal Volume: 208; Journal Issue: C; Journal ID: ISSN 0368-2048

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; complex oxides; X-ray absoprtion spectroscopy; nickelates; metal to insulation transition

Citation Formats


                    Freeland, John W., van Veenendaal, Michel, and Chakhalian, Jak. Evolution of electronic structure across the rare-earth RNiO3 series.  United States: N. p., 2015. 
Web.  doi:10.1016/j.elspec.2015.07.006.

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                    Freeland, John W., van Veenendaal, Michel, & Chakhalian, Jak. Evolution of electronic structure across the rare-earth RNiO3 series.  United States.  https://doi.org/10.1016/j.elspec.2015.07.006

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                    Freeland, John W., van Veenendaal, Michel, and Chakhalian, Jak. Fri .  
"Evolution of electronic structure across the rare-earth RNiO3 series".  United States.  https://doi.org/10.1016/j.elspec.2015.07.006.  https://www.osti.gov/servlets/purl/1360222.

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@article{osti_1360222,

  title        = {Evolution of electronic structure across the rare-earth RNiO3 series},

  author       = {Freeland, John W. and van Veenendaal, Michel and Chakhalian, Jak},

  abstractNote = {Here, the perovksite rare-earth nickelates, RNiO3 (R = La… Lu), are a class of materials displaying a rich phase-diagram of metallic and insulating phases associated with charge and magnetic order. Being in the charge transfer regime, Ni3+ in octahedral coordination displays a strong hybridization with oxygen to form 3d-2p mixed states, which results in a strong admixture of 3d8L_ into 3d7, where L_ denotes a hole on the oxygen. To understand the nature of this strongly hybridized ground state, we present a detailed study of the Ni and O electronic structure using high-resolution soft X-ray absorption spectroscopy (XAS). Through a comparison of the evolution of the XAS line-shape at Ni L- and O K-edges across the phase diagram, we explore the changes in the electronic signatures in connection with the insulating and metallic phases that support the idea of hybridization playing a fundamental role.},

  doi          = {10.1016/j.elspec.2015.07.006},

  journal      = {Journal of Electron Spectroscopy and Related Phenomena},

  number       = C,

  volume       = 208,

  place        = {United States},

  year         = {Fri Jul 31 00:00:00 EDT 2015},

  month        = {Fri Jul 31 00:00:00 EDT 2015}

}

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Herein this paper presents a simple formalism for calculating X-ray absorption (XAS) and resonant inelastic x-ray scattering (RIXS) that has as input orbital-resolved density of states from a single particle or many-body ab initio calculation and is designed to capture itinerant-like features. We use this formalism to calculate both the XAS and RIXS with input from DFT and DFT + DMFT for the recently studied reduced valence nickelates R₄Ni₃O₈ and RNiO₂ (R = rare earth), and these results are then contrasted with those for the cuprate CaCuO₂ and the unreduced nickelate R₄Ni₃O₁₀. In contrast to the unreduced R₄Ni₃O₁₀, the reducedmore »« less
https://doi.org/10.1103/physrevb.107.165124

Full Text Available
Hole and electron doping of RNiO{sub 3} (R = La, Nd)

Journal Article Alonso, J A ; Martinez-Lope, M J ; Hidalgo, M A ; ... - Journal of Solid State Chemistry

The effect of hole and electron doping in the perovskites RNiO{sub 3} (R = rare earths) has been studied. R{sub 1-x}A{sub x}NiO{sub 3} (R = La, Nd; A = Sr, Th; O {le} x {le} 0.1) were prepared under 200 bars of oxygen and were characterized by X-ray and neutron powder diffraction, thermogravimetric analysis, differential scanning calorimetry, and resistivity measurements. The neutron data for rhombohedral La{sub 0.9}Sr{sub 0.1}NiO{sub 3} or orthorhombic Nd{sub 0.95}A{sub 0.05}NiO{sub 3} (A = Sr, Th) show that Sr or Th replace at random the rare-earth cations, whereas the oxygen positions remain fully occupied. NiO{sub 6} octahedramore »« less
https://doi.org/10.1006/jssc.1995.1196
Giant oxygen isotope effect on the metal-insulator transition of RNiO{sub 3} perovskites

Technical Report Medarde, M ; Fauth, F ; Furrer, A ; ...

The metal to insulator transition displayed by all the members of the perovskite family RNiO{sub 3} (R = 4f rare earth different from La) has attracted a lot of interest since it constitutes one of the few examples of this phenomenon in perfectly stoichiometric compounds. In spite of the great deal of work performed during the last six years, the mechanism responsible for the electronic localization is still a matter of controversy. The observation of unusually large O isotope shifts on the metal-insulator temperature T{sub MI} reported in this study represents an important advance since it clearly proves the dominantmore »« less
https://doi.org/10.2172/290921

Full Text Available
Crystalline electric field of the rare-earth nickelates RNiO{sub 3} (R=Pr, Nd, Sm, Eu, and Pr{sub 1-x}La{sub x}, 0{<=}x{<=}0.7) determined by inelastic neutron scattering

Journal Article Rosenkranz, S ; Medarde, M ; Fauth, F ; ... - Physical Review. B, Condensed Matter and Materials Physics

The rare-earth based nickelates RNiO{sub 3} (R=Pr, Nd, Sm, Eu, and Pr{sub 1-x}La{sub x}, 0{<=}x{<=}0.7) were studied by inelastic neutron scattering. Energy splittings due to the crystalline-electric-field (CEF) interaction at the R{sup 3+} site within the electronic ground-state J multiplet (for R=Pr, Nd, and Pr{sub 1-x}La{sub x}) as well as within the two lowest-lying J multiplets (for R=Sm and Eu) were directly observed, and the corresponding CEF energy-level schemes were reconstructed. The latter were rationalized in terms of CEF parameters, which vary smoothly over the rare-earth series and give magnetic properties associated with the R sublattice in agreement with resultsmore »« less
https://doi.org/10.1103/PhysRevB.60.14857

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Title: Evolution of electronic structure across the rare-earth RNiO3 series

Abstract

Citation Formats

Electronic and ionic transport properties and other physical aspects of perovskites journal, September 2004

Complexity in Strongly Correlated Electronic Systems journal, July 2005

Metal-insulator transitions journal, October 1998

Structural, magnetic and electronic properties of perovskites (R = rare earth) journal, February 1997

Progress in perovskite nickelate research journal, July 2008

Chemical bonding and electronic structure of R NiO 3 ( R = rare earth) journal, April 2004

Rare Earth Nickel Oxides journal, September 1957

Complex vs Band Formation in Perovskite Oxides journal, March 1965

Sur une série de composés oxygènes du nickel trivalent derivés de la perovskite journal, November 1971

Synthesis and properties of NdNiO3 prepared by low-temperature methods journal, August 1989

Systematic study of insulator-metal transitions in perovskites RNiO3 (R=Pr,Nd,Sm,Eu) due to closing of charge-transfer gap journal, April 1992

Neutron-diffraction study of the magnetic and orbital ordering in 154 SmNiO 3 and 153 EuNiO 3 journal, January 1998

Giant O 16 − O 18 Isotope Effect on the Metal-Insulator Transition of R NiO 3 Perovskites ( R = Rare Earth) journal, March 1998

Direct Observation of Charge Order in an Epitaxial NdNiO 3 Film journal, March 2002

Charge disproportionation and search for orbital ordering in Nd Ni O 3 by use of resonant x-ray diffraction journal, October 2005

Spin and charge ordering in self-doped Mott insulators journal, May 2000

Charge Ordering as Alternative to Jahn-Teller Distortion journal, April 2007

Site-Selective Mott Transition in Rare-Earth-Element Nickelates journal, October 2012

Charge Disproportionation without Charge Transfer in the Rare-Earth-Element Nickelates as a Possible Mechanism for the Metal-Insulator Transition journal, March 2014

Sudden Appearance of an Unusual Spin Density Wave At the Metal-Insulator Transition in the Perovskites RNiO 3 (R = Pr, Nd) journal, October 1992

Role of magnetic and orbital ordering at the metal-insulator transition in NdNiO 3 journal, March 2006

Induced noncollinear magnetic order of Nd 3 + in Nd Ni O 3 observed by resonant soft x-ray diffraction journal, March 2008

Soft x-ray resonant magnetic powder diffraction on PrNiO 3 journal, February 2007

Magnetic and electronic properties of RNiO 3 (R = Pr, Nd, Eu, Ho and Y) perovskites studied by resonant soft x-ray magnetic powder diffraction journal, January 2011

Transition from Curie-Weiss to enhanced Pauli paramagnetism in R NiO 3 ( R = L a , P r , … Gd ) journal, January 2003

Spin-canted magnetism and decoupling of charge and spin ordering in NdNiO 3 journal, July 2013

Mass enhancement versus Stoner enhancement in strongly correlated metallic perovskites: LaNiO 3 and LaCuO 3 journal, June 2014

Electronic structure and the metal-insulator transition in LnNiO 3 (Ln=La, Pr, Nd, Sm and Ho): bandstructure results journal, November 1994

Structure anomaly and electronic transition in R NiO 3 ( R = La , Pr , … , Gd ) journal, August 2004

Covalency-driven unusual metal-insulator transition in nickelates journal, March 1994

Band gaps and electronic structure of transition-metal compounds journal, July 1985

A photoemission spectroscopy study of PrNiO 3 through the metal-insulator transition journal, March 1997

Electronic-structure evolution through the metal-insulator transition in R NiO 3 journal, September 1999

Crossover in the nature of the metallic phases in the perovskite-type R NiO 3 journal, February 2003

Unusual temperature dependence of the spectral weight near the Fermi level of NdNiO 3 thin films journal, November 2012

Optical spectroscopy of the metal-insulator transition in NdNiO 3 journal, February 1995

Electronic structure of PrNiO 3 studied by photoemission and x-ray-absorption spectroscopy: Band gap and orbital ordering journal, November 1995

Landau Theory of Charge and Spin Ordering in the Nickelates journal, January 2011

Low-energy description of the metal-insulator transition in the rare-earth nickelates journal, February 2015

Spin-orbit-induced mixed-spin ground state in R Ni O 3 perovskites probed by x-ray absorption spectroscopy: Insight into the metal-to-insulator transition journal, January 2005

X-ray magnetic circular dichroism—A versatile tool to study magnetism journal, October 2014

Quantum confinement of Mott electrons in ultrathin LaNiO 3 /LaAlO 3 superlattices journal, April 2011

Lattice normal modes and electronic properties of the correlated metal LaNiO 3 journal, October 2011

R NiO 3 perovskites ( R =Pr,Nd): Nickel valence and the metal-insulator transition investigated by x-ray-absorption spectroscopy journal, December 1992

Electronic structure and metal-insulator transition in LaNiO 3 − δ journal, March 2002

Estimating Hybridization of Transition Metal and Oxygen States in Perovskites from O K -edge X-ray Absorption Spectroscopy journal, January 2014

Electronic excitation spectra from ab initio band-structure results for La M O 3 ( M =Cr,Mn,Fe,Co,Ni) journal, July 1996

Multiplet effects in X-ray spectroscopy journal, January 2005

Evolution of Magnetic Oxygen States in Sr-Doped LaCoO 3 journal, October 2012

Valence-band photoemission and optical absorption in nickel compounds journal, July 1984

Character of Holes in Li x Ni 1 − x O and Their Magnetic Behavior journal, January 1989

Electronic structure of Li-doped NiO journal, January 1992

Nonlocal screening effects in 2 p x-ray photoemission spectroscopy core-level line shapes of transition metal compounds journal, April 1993

Magnitude and Origin of the Band Gap in NiO journal, December 1984

Effective Hamiltonian for the superconducting Cu oxides journal, March 1988

Tendency towards Local Spin Compensation of Holes in the High- T c Copper Compounds journal, September 1988

Doping dependence of Ni 2 p x-ray-absorption spectra of M x Ni 1 − x O ( M = L i , N a ) journal, October 1994

High multipole transitions in NIXS: Valence and hybridization in 4f systems journal, December 2007

Comparison of x-ray absorption with x-ray photoemission of nickel dihalides and NiO journal, March 1986

Crystal field splitting in correlated systems with negative charge-transfer gap journal, October 2011

Apex oxygen and critical temperature in copper oxide superconductors: Universal correlation with the stability of local singlets journal, February 1991

Picosecond soft x-ray absorption measurement of the photoinduced insulator-to-metal transition in VO 2 journal, April 2004

Band-Selective Measurements of Electron Dynamics in VO 2 Using Femtosecond Near-Edge X-Ray Absorption journal, August 2005

Orbital degree of freedom in single-layered La 1 − x Sr 1 + x Mn O 4 : Doping- and temperature-dependent rearrangement of orbital states journal, November 2006

Transient electronic structure of the photoinduced phase of Pr 0.7 Ca 0.3 MnO 3 probed with soft x-ray pulses journal, October 2009

Covalency, double-counting, and the metal-insulator phase diagram in transition metal oxides journal, November 2012

Short-range charge order in R Ni O 3 perovskites ( R = Pr , Nd, Eu, Y) probed by x-ray-absorption spectroscopy journal, January 2005

Charge disproportionation in R NiO 3 perovskites ( R = rare earth) from high-resolution x-ray absorption spectroscopy journal, December 2009

Origins of bad-metal conductivity and the insulator–metal transition in the rare-earth nickelates journal, March 2014

Control system for controlling object using pseudo-emotions and pseudo-personality generated in the object journal, January 2003

Interfacial Charge Engineering in Ferroelectric-Controlled Mott Transistors journal, June 2017

Ground-state oxygen holes and the metal–insulator transition in the negative charge-transfer rare-earth nickelates journal, October 2016

Organismic materials for beyond von Neumann machines journal, March 2020

Hybridization-controlled charge transfer and induced magnetism at correlated oxide interfaces journal, January 2016

Metal–insulator-transition engineering by modulation tilt-control in perovskite nickelates for room temperature optical switching journal, September 2018

Reproducibility and off-stoichiometry issues in nickelate thin films grown by pulsed laser deposition journal, January 2017

Site-Selective Probe of Magnetic Excitations in Rare-Earth Nickelates Using Resonant Inelastic X-ray Scattering text, January 2018

Title: Evolution of electronic structure across the rare-earth RNiO₃ series

Electronic and ionic transport properties and other physical aspects of perovskites
journal, September 2004

Complexity in Strongly Correlated Electronic Systems
journal, July 2005

Metal-insulator transitions
journal, October 1998

Structural, magnetic and electronic properties of perovskites (R = rare earth)
journal, February 1997

Progress in perovskite nickelate research
journal, July 2008

Chemical bonding and electronic structure of $R {NiO}_{3}$ $(R = rare$ earth)
journal, April 2004

Rare Earth Nickel Oxides
journal, September 1957

Complex vs Band Formation in Perovskite Oxides
journal, March 1965

Sur une série de composés oxygènes du nickel trivalent derivés de la perovskite
journal, November 1971

Synthesis and properties of NdNiO3 prepared by low-temperature methods
journal, August 1989

Systematic study of insulator-metal transitions in perovskites RNiO3 (R=Pr,Nd,Sm,Eu) due to closing of charge-transfer gap
journal, April 1992

Neutron-diffraction study of the magnetic and orbital ordering in $^{154} {SmNiO}_{3}$ and $^{153} {EuNiO}_{3}$
journal, January 1998

Giant ${}^{16}O - {}^{18}O$ Isotope Effect on the Metal-Insulator Transition of $R {NiO}_{3}$ Perovskites ( $R =$ Rare Earth)
journal, March 1998

Direct Observation of Charge Order in an Epitaxial ${NdNiO}_{3}$ Film
journal, March 2002

Charge disproportionation and search for orbital ordering in $Nd Ni O_{3}$ by use of resonant x-ray diffraction
journal, October 2005

Spin and charge ordering in self-doped Mott insulators
journal, May 2000

Charge Ordering as Alternative to Jahn-Teller Distortion
journal, April 2007

Site-Selective Mott Transition in Rare-Earth-Element Nickelates
journal, October 2012

Charge Disproportionation without Charge Transfer in the Rare-Earth-Element Nickelates as a Possible Mechanism for the Metal-Insulator Transition
journal, March 2014

Sudden Appearance of an Unusual Spin Density Wave At the Metal-Insulator Transition in the Perovskites RNiO ₃ (R = Pr, Nd)
journal, October 1992

Role of magnetic and orbital ordering at the metal-insulator transition in ${NdNiO}_{3}$
journal, March 2006

Induced noncollinear magnetic order of ${Nd}^{3 +}$ in $Nd Ni O_{3}$ observed by resonant soft x-ray diffraction
journal, March 2008

Soft x-ray resonant magnetic powder diffraction on PrNiO ₃
journal, February 2007

Magnetic and electronic properties of RNiO ₃ (R = Pr, Nd, Eu, Ho and Y) perovskites studied by resonant soft x-ray magnetic powder diffraction
journal, January 2011

Transition from Curie-Weiss to enhanced Pauli paramagnetism in $R {NiO}_{3}$ $(R = L a, P r, \dots Gd)$
journal, January 2003

Spin-canted magnetism and decoupling of charge and spin ordering in NdNiO $_{3}$
journal, July 2013

Mass enhancement versus Stoner enhancement in strongly correlated metallic perovskites: ${LaNiO}_{3}$ and ${LaCuO}_{3}$
journal, June 2014

Electronic structure and the metal-insulator transition in LnNiO ₃ (Ln=La, Pr, Nd, Sm and Ho): bandstructure results
journal, November 1994

Structure anomaly and electronic transition in $R {NiO}_{3}$ $(R = La, \Pr, \dots, Gd)$
journal, August 2004

Covalency-driven unusual metal-insulator transition in nickelates
journal, March 1994

Band gaps and electronic structure of transition-metal compounds
journal, July 1985

A photoemission spectroscopy study of PrNiO ₃ through the metal-insulator transition
journal, March 1997

Electronic-structure evolution through the metal-insulator transition in $R {NiO}_{3}$
journal, September 1999

Crossover in the nature of the metallic phases in the perovskite-type $R {NiO}_{3}$
journal, February 2003

Unusual temperature dependence of the spectral weight near the Fermi level of NdNiO $_{3}$ thin films
journal, November 2012

Optical spectroscopy of the metal-insulator transition in ${NdNiO}_{3}$
journal, February 1995

Electronic structure of ${PrNiO}_{3}$ studied by photoemission and x-ray-absorption spectroscopy: Band gap and orbital ordering
journal, November 1995

Landau Theory of Charge and Spin Ordering in the Nickelates
journal, January 2011

Low-energy description of the metal-insulator transition in the rare-earth nickelates
journal, February 2015

Spin-orbit-induced mixed-spin ground state in $R Ni O_{3}$ perovskites probed by x-ray absorption spectroscopy: Insight into the metal-to-insulator transition
journal, January 2005

X-ray magnetic circular dichroism—A versatile tool to study magnetism
journal, October 2014

Quantum confinement of Mott electrons in ultrathin LaNiO $_{3}$ /LaAlO $_{3}$ superlattices
journal, April 2011

Lattice normal modes and electronic properties of the correlated metal LaNiO $_{3}$
journal, October 2011

R ${NiO}_{3}$ perovskites ( R =Pr,Nd): Nickel valence and the metal-insulator transition investigated by x-ray-absorption spectroscopy
journal, December 1992

Electronic structure and metal-insulator transition in ${LaNiO}_{3 - δ}$
journal, March 2002

Estimating Hybridization of Transition Metal and Oxygen States in Perovskites from O K -edge X-ray Absorption Spectroscopy
journal, January 2014

Electronic excitation spectra from ab initio band-structure results for La M $O_{3}$ ( M =Cr,Mn,Fe,Co,Ni)
journal, July 1996

Multiplet effects in X-ray spectroscopy
journal, January 2005

Evolution of Magnetic Oxygen States in Sr-Doped ${LaCoO}_{3}$
journal, October 2012

Valence-band photoemission and optical absorption in nickel compounds
journal, July 1984

Character of Holes in ${Li}_{x} {Ni}_{1 - x} O$ and Their Magnetic Behavior
journal, January 1989

Electronic structure of Li-doped NiO
journal, January 1992

Nonlocal screening effects in 2 p x-ray photoemission spectroscopy core-level line shapes of transition metal compounds
journal, April 1993

Magnitude and Origin of the Band Gap in NiO
journal, December 1984

Effective Hamiltonian for the superconducting Cu oxides
journal, March 1988

Tendency towards Local Spin Compensation of Holes in the High- $T_{c}$ Copper Compounds
journal, September 1988

Doping dependence of $Ni 2 p$ x-ray-absorption spectra of $M_{x} {Ni}_{1 - x} O$ ( $M = L i, N a$ )
journal, October 1994

High multipole transitions in NIXS: Valence and hybridization in 4f systems
journal, December 2007

Comparison of x-ray absorption with x-ray photoemission of nickel dihalides and NiO
journal, March 1986

Crystal field splitting in correlated systems with negative charge-transfer gap
journal, October 2011

Apex oxygen and critical temperature in copper oxide superconductors: Universal correlation with the stability of local singlets
journal, February 1991

Picosecond soft x-ray absorption measurement of the photoinduced insulator-to-metal transition in ${VO}_{2}$
journal, April 2004

Band-Selective Measurements of Electron Dynamics in ${VO}_{2}$ Using Femtosecond Near-Edge X-Ray Absorption
journal, August 2005

Orbital degree of freedom in single-layered ${La}_{1 - x} {Sr}_{1 + x} Mn O_{4}$ : Doping- and temperature-dependent rearrangement of orbital states
journal, November 2006

Transient electronic structure of the photoinduced phase of ${Pr}_{0.7} {Ca}_{0.3} {MnO}_{3}$ probed with soft x-ray pulses
journal, October 2009

Covalency, double-counting, and the metal-insulator phase diagram in transition metal oxides
journal, November 2012

Short-range charge order in $R Ni O_{3}$ perovskites ( $R = \Pr$ , Nd, Eu, Y) probed by x-ray-absorption spectroscopy
journal, January 2005

Charge disproportionation in $R {NiO}_{3}$ perovskites ( $R = rare$ earth) from high-resolution x-ray absorption spectroscopy
journal, December 2009

Origins of bad-metal conductivity and the insulator–metal transition in the rare-earth nickelates
journal, March 2014

Control system for controlling object using pseudo-emotions and pseudo-personality generated in the object
journal, January 2003

Interfacial Charge Engineering in Ferroelectric-Controlled Mott Transistors
journal, June 2017

Ground-state oxygen holes and the metal–insulator transition in the negative charge-transfer rare-earth nickelates
journal, October 2016

Organismic materials for beyond von Neumann machines
journal, March 2020

Hybridization-controlled charge transfer and induced magnetism at correlated oxide interfaces
journal, January 2016

Metal–insulator-transition engineering by modulation tilt-control in perovskite nickelates for room temperature optical switching
journal, September 2018

Reproducibility and off-stoichiometry issues in nickelate thin films grown by pulsed laser deposition
journal, January 2017

Site-Selective Probe of Magnetic Excitations in Rare-Earth Nickelates Using Resonant Inelastic X-ray Scattering
text, January 2018

Bond disproportionation and dynamical charge fluctuations in the perovskite rare earth nickelates
text, January 2016

Reproducibility and off-stoichiometry issues in nickelate thin films grown by pulsed laser deposition
text, January 2017