Personal information

Websites & social links

Mendeley profile
Researchgate
Academia
SSRN
Google Scholar

Other IDs

Scopus Author ID: 6508231226
ResearcherID: F-8112-2010
Loop profile: 468212

Keywords

perovskite, Ferrite, magnetism, nanoparticle, coordination polymer, complex, dielectric, UV-Vis, infrared spectroscopy

Activities

Collapse all

Employment (2)

Martin Luther University Halle-Wittenberg: Halle, DE

2004 to present | Researcher (Institute of Chemistry)
Employment
Source: Self-asserted source
R. Köferstein

Helmholtz Centre for Environmental Research: Leipzig, DE

2010-06 to 2012-02 | Researcher (Department of Environmental, Engineering,)
Employment
Source: Self-asserted source
R. Köferstein

Education and qualifications (2)

Friedrich Schiller University Jena: Jena, Thüringen, DE

1998-10-01 to 2003-07 | Dr. rer. nat (PhD) (Institute of Inorganic and Analytical Chemistry)
Education
Source: Self-asserted source
R. Köferstein

Friedrich Schiller Universität Jena Chemisch Geowissenschaftliche Fakultät: Jena, Thüringen, DE

1993-10-01 to 1998-09-30 | Diploma in Chemistry (Master of Science) (Institut für Analytische und Anorganische Chemie)
Education
Source: Self-asserted source
R. Köferstein

Works (50 of 118)

Items per page:
Page 1 of 3

Unusual adsorption-induced phase transitions in a pillared-layered copper ethylenediphosphonate with ultrasmall channels

Materials Advances
2024 | Journal article
DOI: 10.1039/D3MA00356F
Contributors: Margherita Cavallo; Matteo Signorile; Roberto Köferstein; Valentina Crocellà; Marco Taddei
Source: check_circle
Crossref

Magnetoelectric, dielectric, and magnetic investigations of multiferroic NixCo1−xFe2O4−SryBa1−yNb2O6 composites

Materials Research Bulletin
2024-09 | Journal article
DOI: 10.1016/j.materresbull.2024.112860
Contributors: Roberto Köferstein; Maria-Sophie Wartmann; Stefan G. Ebbinghaus
Source: check_circle
Crossref

Magnetoelectric, dielectric, and magnetic investigations of multiferroic NixCo1−xFe2O4−SryBa1−yNb2O6 composites

2024-05-06 | Preprint
DOI: 10.31219/osf.io/mv9y7
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Improvement of the magnetoelectric response in NiFe2O4−Sr0.5Ba0.5Nb2O6 composites using LiNbO3 as sintering additive

Journal of the European Ceramic Society
2023-11 | Journal article
DOI: 10.1016/j.jeurceramsoc.2023.06.040
Contributors: Roberto Köferstein; Stefan G. Ebbinghaus
Source: check_circle
Crossref

Improvement of the magnetoelectric response in NiFe2O4-Sr0.5Ba0.5Nb2O6 composites using LiNbO3 as sintering additive

2023-07-17 | Preprint
DOI: 10.31219/osf.io/36ewb
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Preparation and characterization of Ce-MOF/g-C3N4 composites and evaluation of their photocatalytic performance

2023-06-08 | Preprint
DOI: 10.31219/osf.io/27z65
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Effect of sintering additives on the densification and dielectric properties of Sr0.5Ba0.5Nb2O6 ceramics synthesized by a soft-chemistry method

Journal of Solid State Chemistry
2022-12 | Journal article
DOI: 10.1016/j.jssc.2022.123564
Contributors: Roberto Köferstein; Stefan G. Ebbinghaus
Source: check_circle
Crossref

Effect of sintering additives on the densification and dielectric properties of Sr0.5Ba0.5Nb2O6 ceramics synthesized by a soft-chemistry method

2022-09-19 | Preprint
DOI: 10.31219/osf.io/j94y3
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Thermoanalytical, optical, and magnetic investigations on nanocrystalline Li0.5Fe2.5O4 and resulting ceramics prepared by a starch-based soft-chemistry synthesis

2022-03-20 | Preprint
DOI: 10.31219/osf.io/x5q8a
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Fine-grained magnetoelectric Sr0.5Ba0.5Nb2O6–CoFe2O4 composites synthesized by a straightforward one-pot method

Materials Chemistry and Physics
2022-02 | Journal article
DOI: 10.1016/j.matchemphys.2021.125616
Contributors: Roberto Köferstein; Florian Oehler; Stefan G. Ebbinghaus
Source: check_circle
Crossref

Fine-grained magnetoelectric Sr0.5Ba0.5Nb2O6–CoFe2O4 composites synthesized by a straightforward one-pot method

2021-12-25 | Preprint
DOI: 10.31219/osf.io/zrn2m
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Thermoanalytical, optical, and magnetic investigations on nanocrystalline Li0.5Fe2.5O4 and resulting ceramics prepared by a starch-based soft-chemistry synthesis

Journal of Solid State Chemistry
2020-07 | Journal article
DOI: 10.1016/j.jssc.2020.121380
ISSN: 0022-4596
Source: Self-asserted source
R. Köferstein

BaTiO3–CoFe2O4–BaTiO3 trilayer composite thin films prepared bychemical solution deposition

2020-06-17 | Other
DOI: 10.31219/osf.io/xm37p
Contributors: Roberto Köferstein
Source: check_circle
Crossref

A Novel One-Dimensional Copper Mellitate Complex Featured by {Cu(H2O)2(urea)[C6(COO)4(COOH)2]}n2n- Polyanions

2020-06-14 | Other
DOI: 10.31219/osf.io/5r4xc
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Thermoanalytical, optical, and magnetic investigations on nanocrystalline Li0.5Fe2.5O4 and resulting ceramics prepared by a starch-based softchemistry synthesis

2020-05-31 | Other
DOI: 10.31219/osf.io/6wujk
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis, structures, thermal and magnetic properties of two bis(oxalato)cuprate(II) hybrid salts containing pyridinium derivative cations

2020-02-29 | Other
DOI: 10.31219/osf.io/3qkvh
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis, structures, thermal and magnetic properties of two bis(oxalato)cuprate(II) hybrid salts containing pyridinium derivative cations

Journal of Molecular Structure
2019-11 | Journal article
DOI: 10.1016/j.molstruc.2019.127399
URI:

https://linkinghub.elsevier.com/retrieve/pii/S002228601931508X
Contributors: Justin Nenwa; Boniface P.T. Fokwa; Pritam Shankhari; Roberto Köferstein; Emmanuel N. Nfor; Bridget N. Ndosiri; Cyrielle L.F. Dazem
Source: check_circle
ScienceOpen, Inc.

Syntheses and Crystal Structures of Two Cadmium Methanetetrabenzoates Featured by Open Framework and Infinite Layers

2019-08-07 | Other
DOI: 10.31219/osf.io/eskz4
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Syntheses and Crystal Structures of Two Cadmium Methanetetrabenzoates Featured by Open Framework and Infinite Layers

Zeitschrift f�r anorganische und allgemeine Chemie
2019-07 | Journal article
DOI: 10.1002/zaac.201900089
URI:

http://doi.wiley.com/10.1002/zaac.201900089
Contributors: Christian Robl; Helmar Görls; Roberto Köferstein; Sven Harms
Source: check_circle
ScienceOpen, Inc.

Investigations of nano-crystalline Sr0.5Ba0.5Nb2O6 and bulk ceramics synthesized by a polymerization method using PEG400

Journal of the European Ceramic Society
2019-04 | Journal article
DOI: 10.1016/j.jeurceramsoc.2018.11.043
Contributors: Roberto Köferstein; Florian Oehler; Stefan G. Ebbinghaus
Source: check_circle
Crossref

Investigations of nano-crystalline Sr0.5Ba0.5Nb2O6 and bulk ceramics synthesized by a polymerization method using PEG400

2019-01-26 | Other
DOI: 10.31219/osf.io/6nhfj
Contributors: Roberto Köferstein
Source: check_circle
Crossref

A synthesis concept for a nanostructured CoFe2O4/BaTiO3 composite: Towards multiferroics

2019-01-08 | Other
DOI: 10.31219/osf.io/wezv5
Contributors: Roberto Köferstein
Source: check_circle
Crossref

BaTiO3–CoFe2O4–BaTiO3trilayer composite thin films prepared bychemical solution deposition

2019-01-08 | Other
DOI: 10.31219/osf.io/yxpc6
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Crystal Structure and Characterization of Two Layered Copper(II) Coordination Polymers with Anions of 3-Phosphonopropionic Acid and (RS)-2-Phosphonobutyric Acid

2019-01-08 | Other
DOI: 10.31219/osf.io/7byg3
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Magnetic, optical, dielectric, and sintering properties of nano-crystalline BaFe0.5Nb0.5O3 synthesized by a polymerization method

2019-01-08 | Other
DOI: 10.31219/osf.io/3r2cd
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Photocatalytic activity of CaTaO2N nanocrystals obtained from a hydrothermally synthesized oxide precursor

2019-01-08 | Other
DOI: 10.31219/osf.io/qdgam
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Nanostructure-Related Magnetic Properties of Various Mesoporous Cobalt Oxide and Cobalt Ferrite Spinel Phases

2019-01-07 | Other
DOI: 10.31219/osf.io/rvea6
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis and characterization of nanoscaled Ba(Ti1-x-ySnxGey)O3 powders and corresponding ceramics

2019-01-07 | Other
DOI: 10.31219/osf.io/2w8hz
Contributors: Roberto Köferstein
Source: check_circle
Crossref

BaC4O4 — An Alkaline-Earth Squarate Free from Water of Crystallization with Three-dimensional Framework Structure Featuring a Layer-like Separation of Cations and Anions

2019-01-06 | Other
DOI: 10.31219/osf.io/wsnh9
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Hysteretic magnetoelectric behavior of CoFe2O4–BaTiO3 composites prepared by reductive sintering and reoxidation

2019-01-06 | Other
DOI: 10.31219/osf.io/xv67d
Contributors: Roberto Köferstein
Source: check_circle
Crossref

LaFeO3 and BiFeO3 perovskites as nanocatalysts for contaminant degradation in heterogeneous Fenton-like reactions

2019-01-06 | Other
DOI: 10.31219/osf.io/q524r
Contributors: Roberto Köferstein
Source: check_circle
Crossref

M2(H2O)[μ10-C6H2(COO)4] (M = Ba2+, Pb2+) – Two Isotypic Three- Dimensional Coordination Polymers with a Layer-like Separation between Anions and Cations

2019-01-06 | Other
DOI: 10.31219/osf.io/c5e69
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Mixed crystalline precursor complexes of the type [Ba(C2H6O2)4][Ti1−xSnx(C2H4O2)3] (x = 0–1) for BaTi1−xSnxO3 ceramics: Synthesis, structure and calcination

2019-01-06 | Other
DOI: 10.31219/osf.io/yeu74
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Phase evolution of a barium tin 1,2-ethanediolato complex to barium stannate during thermal decomposition

2019-01-06 | Other
DOI: 10.31219/osf.io/z58dr
Contributors: Roberto Köferstein
Source: check_circle
Crossref

The influence of BaGeO3 on the properties of Ba(Ti1−xSx)O3 ceramics on the basis of sol-gel powders

2019-01-06 | Other
DOI: 10.31219/osf.io/jpydf
Contributors: Roberto Köferstein
Source: check_circle
Crossref

[Mn(H2O)2]4[HNC5H4(COO)]2[C6H2(COO)4]2·4H2O — A Three-dimensional Coordination Polymer with Guest Water Molecules in Channel-like Voids

2019-01-05 | Other
DOI: 10.31219/osf.io/4n53r
Contributors: Roberto Köferstein
Source: check_circle
Crossref

A Novel One-Dimensional Copper Mellitate Complex Featured by {Cu(H2O)2(urea)[C6(COO)4(COOH)2]}n 2n- Polyanions

2019-01-05 | Other
DOI: 10.31219/osf.io/4rw8m
Contributors: Roberto Köferstein
Source: check_circle
Crossref

BaGeO3 as sintering additive for BaTiO3-MgFe2O4 composite ceramics

2019-01-05 | Other
DOI: 10.31219/osf.io/rx9z3
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Barium titanate via thermal decomposition of Ba,Ti-precursor complexes: The nature of the intermediate phases

2019-01-05 | Other
DOI: 10.31219/osf.io/7cqka
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Co[(C6H10)(NH3)2][C6H2(COO)4] · 2H2O and Zn[(C6H12)(NH3)2][C6H2(COO)4] · 1/2H2O - Two Zeolite-Like Three-Dimensional Coordination Polymers

2019-01-05 | Other
DOI: 10.31219/osf.io/fqr6c
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Cu2[Cu(H2O)4][(CH2)4(NH3)2][C6H2(COO)4]2·4H2O — A Three-Dimensional Coordination Polymer with Negativ Excess Charge and Channel-like Voids

2019-01-05 | Other
DOI: 10.31219/osf.io/v7qyu
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Effects of curing and organic content on bioactivity and mechanical properties of hybrid sol–gel glass scaffolds made by indirect rapid prototyping

2019-01-05 | Other
DOI: 10.31219/osf.io/yq347
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Formation of metastable calcite-type barium carbonate during low-temperature decomposition of (Ba,Ti)-precursor complexes

2019-01-05 | Other
DOI: 10.31219/osf.io/uyn8e
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Magnetic and optical investigations on LaFeO3 powders with different particle sizes and corresponding ceramics

2019-01-05 | Other
DOI: 10.31219/osf.io/vc7ah
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Novel Three-Dimensional Copper(II) 1,2- Ethylenediphosphonate Framework with Channel-like Voids

2019-01-05 | Other
DOI: 10.31219/osf.io/xktvw
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Preparation and characterization of nano-sized magnesium ferrite powders by a starch-gel process and corresponding ceramics

2019-01-05 | Other
DOI: 10.31219/osf.io/ngdhq
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Semiconducting properties of Ge-doped BaSnO3 ceramic

2019-01-05 | Other
DOI: 10.31219/osf.io/uv8ka
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis and characterization of nano-LaFeO3 powders by a softchemistry method and corresponding ceramics

2019-01-05 | Other
DOI: 10.31219/osf.io/8m4gf
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis and Crystal Structure of two Cu(II)-benzene-1,2,4,5- tetracarboxylates with Three-Dimensional Open Frameworks

2019-01-05 | Other
DOI: 10.31219/osf.io/ehup2
Contributors: Roberto Köferstein
Source: check_circle
Crossref

Synthesis, Crystal Structure and Characterization of Two Novel One- and Two-Dimensionally Polymeric Copper(II) Phosphonoacetates

2019-01-05 | Other
DOI: 10.31219/osf.io/w9gcs
Contributors: Roberto Köferstein
Source: check_circle
Crossref
Items per page:
Page 1 of 3

Peer review (13 reviews for 4 publications/grants)

Review activity for Applied physics. (10)
Review activity for Journal of electronic materials. (1)
Review activity for Journal of inorganic and organometallic polymers and materials. (1)
Review activity for Materials science & engineering. (1)
How many people are using ORCID?