Caren Regine Zeiger
About
Research activities
Since August 2020 I am involved with a project in high-temperature lead-free ferroelectric/piezoelectric materials.
The project is financed by the Norwegian Research Council and associated with the functional materials and materials chemistry group (FACET) at the department of Materials Science and Engineering where my supervisor is Tor Grande.
Background
I took my Bachelor's degree in chemistry at the Friedrich-Schiller-Universität Jena (Germany) and graduated with a bachelor thesis on organometallic chemistry in 2017. Afterwards I enrolled into the international master programme in chemistry at NTNU with specialization in structural chemistry from which I graduated with a master thesis on zeolites in 2019.
Publications
2025
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Mikkelsen, Solveig;
Løndal, Nora Statle;
Zeiger, Caren Regine;
Grande, Tor.
(2025)
Tor Grande ble rektor — men fortsatte å veilede stipendiater.
Khrono.no
Interview Journal
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Zeiger, Caren Regine;
Eggestad, Kristoffer;
Walker, Julian Bradley;
Einarsrud, Mari-Ann;
Williamson, Benjamin Albert Dobson;
Grande, Tor.
(2025)
Quantifying Emptiness: On the Size of A‑Site Vacancies in
Tetragonal Tungsten Bronzes.
Chemistry of Materials
Academic article
2024
-
Løndal, Nora Statle;
Zeiger, Caren Regine;
Grendal, Ola Gjønnes;
Einarsrud, Mari-Ann;
Walker, Julian Bradley;
Grande, Tor.
(2024)
Structural and electrical properties of tetragonal tungsten bronze K4Bi2Nb10O30-Ba4Na2Nb10O30 solid solutions across two proximate phase transitions.
Journal of the European Ceramic Society
Academic article
-
Zeiger, Caren Regine;
Williamson, Benjamin Albert Dobson;
Walker, Julian Bradley;
Einarsrud, Mari-Ann;
Grande, Tor.
(2024)
On the solubility of Bi in tetragonal tungsten bronzes.
Journal of the European Ceramic Society
Academic article
2022
-
Nylund, Inger-Emma;
Zeiger, Caren Regine;
Peng, Ding;
Vullum, Per Erik;
Walker, Julian;
Einarsrud, Mari-Ann.
(2022)
Centrosymmetric Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A =
2 Na, K, Rb) with a Bi 6s Lone Pair.
Chemistry of Materials
Academic article
2020
-
Ali, Daniel;
Zeiger, Caren;
Azim, Muhammad Mohsin;
Lein, Hilde Lea;
Mathisen, Karina.
(2020)
Evaluation of surfactant templates for one-pot hydrothermal synthesis of hierarchical SAPO-5.
Microporous and Mesoporous Materials
Academic article
2019
-
Zeiger, Caren;
Mathisen, Karina;
Ali, Daniel.
(2019)
Synthesis and characterization of hierarchical SAPO-5: A comparison with the conventional material.
NTNU
Masters thesis
Journal publications
-
Mikkelsen, Solveig;
Løndal, Nora Statle;
Zeiger, Caren Regine;
Grande, Tor.
(2025)
Tor Grande ble rektor — men fortsatte å veilede stipendiater.
Khrono.no
Interview Journal
-
Zeiger, Caren Regine;
Eggestad, Kristoffer;
Walker, Julian Bradley;
Einarsrud, Mari-Ann;
Williamson, Benjamin Albert Dobson;
Grande, Tor.
(2025)
Quantifying Emptiness: On the Size of A‑Site Vacancies in
Tetragonal Tungsten Bronzes.
Chemistry of Materials
Academic article
-
Løndal, Nora Statle;
Zeiger, Caren Regine;
Grendal, Ola Gjønnes;
Einarsrud, Mari-Ann;
Walker, Julian Bradley;
Grande, Tor.
(2024)
Structural and electrical properties of tetragonal tungsten bronze K4Bi2Nb10O30-Ba4Na2Nb10O30 solid solutions across two proximate phase transitions.
Journal of the European Ceramic Society
Academic article
-
Zeiger, Caren Regine;
Williamson, Benjamin Albert Dobson;
Walker, Julian Bradley;
Einarsrud, Mari-Ann;
Grande, Tor.
(2024)
On the solubility of Bi in tetragonal tungsten bronzes.
Journal of the European Ceramic Society
Academic article
-
Nylund, Inger-Emma;
Zeiger, Caren Regine;
Peng, Ding;
Vullum, Per Erik;
Walker, Julian;
Einarsrud, Mari-Ann.
(2022)
Centrosymmetric Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A =
2 Na, K, Rb) with a Bi 6s Lone Pair.
Chemistry of Materials
Academic article
-
Ali, Daniel;
Zeiger, Caren;
Azim, Muhammad Mohsin;
Lein, Hilde Lea;
Mathisen, Karina.
(2020)
Evaluation of surfactant templates for one-pot hydrothermal synthesis of hierarchical SAPO-5.
Microporous and Mesoporous Materials
Academic article
Report
-
Zeiger, Caren;
Mathisen, Karina;
Ali, Daniel.
(2019)
Synthesis and characterization of hierarchical SAPO-5: A comparison with the conventional material.
NTNU
Masters thesis
Teaching
Lab assistance in the following courses:
TMT4115 - General Chemistry (Fall 2020)
TMT4130 - Inorganic Chemistry (Spring 2021, 2022 & 2023)
TMT4122 - General and Organc Chemistry - labcourse (Fall 2021 & 2022)
Outreach
2024
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Academic lectureZeiger, Caren Regine; Williamson, Benjamin Albert Dobson; Walker, Julian Bradley; Einarsrud, Mari-Ann; Grande, Tor. (2024) Bi Solubility in Tetragonal Tungsten Bronzes. Norsk Kjemisk Selskap NKS-FUM , Gardermoen 2024-02-27 - 2024-02-28
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Academic lectureZeiger, Caren Regine; Eggestad, Kristoffer; Williamson, Benjamin Albert Dobson; Walker, Julian Bradley; Einarsrud, Mari-Ann; Grande, Tor. (2024) What is the Size of a Cation Vacancy in Tetragonal Tungsten Bronzes?. ECAPD 2024 , Trondheim 2024-06-16 - 2024-06-19
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PosterLøndal, Nora Statle; Zeiger, Caren Regine; Grendal, Ola Gjønnes; Einarsrud, Mari-Ann; Walker, Julian Bradley; Grande, Tor. (2024) Characteristics of the Ba₄Na₂Nb₁₀O₃₀-K₄Bi₂Nb₁₀O₃₀ tetragonal tungsten bronze solid solution system across two proximate phase transitions. ECAPD 2024 , Trondheim 2024-06-16 - 2024-06-19
2023
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Academic lectureZeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Walker, Julian Bradley; Einarsrud, Mari-Ann. (2023) Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=Na, K, Rb) with Bi 6s Lone Pair Display Centrosymmetry. Norsk Kjemisk Selskap NKS-FUM , Stjørdal 2023-02-13 - 2023-02-14
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Academic lectureZeiger, Caren Regine; Williamson, Benjamin Albert Dobson; Walker, Julian Bradley; Einarsrud, Mari-Ann; Grande, Tor. (2023) Dethroning Bi as Alternative Replacement for Pb in Tetragonal Tungsten Bronzes. International Meeting on Ferroelectricity , Tel Aviv 2023-03-26 - 2023-03-30
2022
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PosterZeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Walker, Julian; Einarsrud, Mari-Ann. (2022) Exploring the Role of Bismuth 6s Lone Pair in Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=Na,K,Rb). Institute of Electrical and Electronics Engineers (IEEE) ISAF 2022 - International Symposium on Applications of Ferroelectrics , Tours (France) 2022-06-27 - 2022-07-01
2021
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PosterZeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Tsoutsouva, Maria; Walker, Julian. (2021) Synthesis and Characterisation of Lead-free Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=K,Rb) . Norsk kjemisk selskap NKS-FUM meeting 2021 , Lillestrøm 2021-11-01 - 2021-11-02
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Academic lectureNylund, Inger-Emma; Zeiger, Caren Regine; Peng, Ding; Walker, Julian; Vullum, Per Erik; Einarsrud, Mari-Ann. (2021) Structure determination of K2BiNb5O15 and Rb2BiNb5O15 by electron diffraction. NKS-FUM 2021 2021-11-01 - 2021-11-02
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Popular scientific lectureFagerli, Frode Håskjold; Danmo, Frida Hemstad; Kelly, Michael Robert; Zeiger, Caren Regine; Gullbrekken, Øystein; Wiik, Kjell. (2021) Supermaterialer for en grønnere framtid. NTNU Researchers night , Realfagbygget på NTNU Gløshaugen 2021-09-24 - 2021-09-24
2020
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PosterAli, Daniel; Zeiger, Caren Regine; Lein, Hilde Lea; Mathisen, Karina. (2020) Evaluating meso-SDA for hierarchical SAPO-5. Functional Materials and Materials Chemistry (FACET group) 7th National Meeting on Inorganic and Materials Chemistry , Trondheim 2020-02-13 - 2020-02-14