Publications

Sedimentary pyrite from Mosomo Lake, Minnesota. Crystals are ~1 micrometer in size.

Peer review articles

2017

18. Schiemer, J. A., Lascu, I., Harrison, R. J., Kumar, A., Katiyar, R. S., Sanchez, D. A., Ortega, N., Salazar Mejia C., Schnelle, W., Echizen, M., Shinohara, H., Heap, A. J. F., Nagaratnam, R., Dutton, S. E., Scott, J. F., Nair, B., Mathur, N. D., Carpenter, M. A., 2017
Elastic and anelastic relaxation behaviour of perovskite multiferroics II: PbZr0.53Ti0.47O3 (PZT) – PbFe0.5Ta0.5O3 (PFT)
Journal of Materials Science, 52, p. 285-304, doi: 10.1007/s10853-016-0330-9

2016

17. Lascu, I., Feinberg, J. M., Dorale, J. A., Cheng, H. and Edwards, R. L., 2016
Age of the Laschamp excursion determined by U-Th dating of a speleothem geomagnetic record from North America
Geology 44, p. 139-142, doi:10.1130/G37490.1
toll-free full text

16. Channell, J. E. T., Harrison, R. J., Lascu, I., McCave, I. N., Hibbert, F. D. and Austin, W. E. N., 2016
Magnetic record of deglaciation using FORC-PCA, sortable-silt grain size, and magnetic excursion at 26 ka, from the Rockall Trough (NE Atlantic)
Geochemistry Geophysics Geosystems 17, p. 18231841, doi: 10.1002/2016GC006300
NanoPaleoMag news post

15. Schiemer, J. A., Lascu, I., Harrison, R. J., Kumar, A., Katiyar, R. S., Sanchez, D. A., Ortega, N., Salazar Mejia C., Schnelle, W., Echizen, M., Shinohara, H., Heap, A. J. F., Nagaratnam, R., Dutton, S. E., Scott, J. F. and Carpenter, M. A., 2016
Elastic and anelastic relaxation behaviour of perovskite multiferroics I: PbZr0.53Ti0.47O3 (PZT) – PbFe0.5Nb0.5O3 (PFN)
Journal of Materials Science 51, p. 10727-10760, doi: 10.1007/s10853-016-0280-2

 2015

14. Lascu, I., Harrison, R. J., Li, Y. T., Muraszko, J. R., Channell, J. E. T., Piotrowsky, A. M. and Hodell, D. A., 2015
Magnetic unmixing of first-order reversal curve diagrams using principal component analysis
Geochemistry, Geophysics, Geosystems 16, p. 2900-2915, doi:10.1002/2015GC005909
software

13. Carpenter, M. A., Schiemer, J. A., Lascu, I., Harrison, R. J., Kumar, A., Katiyar, R. S., Ortega, N., Salazar Mejia C., Schnelle, W., Echizen, M., Shinohara, H., Heap, A. J. F., Nagaratnam, R., Dutton, S. E. and Scott, J. F., 2015
Elastic and magnetoelastic relaxation behaviour of multiferroic (ferromagnetic + ferroelectric + ferroelastic), Pb(Fe0.5Nb0.5)O3 perovskite
Journal of Physics: Condensed Matter 27, 285901, doi:10.1088/0953-8984/27/28/285901

12. Williams, J. J., McLauchlan, K. K., Mueller, J. R., Mellicant, E. M., Myrbo, A. E. and  Lascu, I.,  2015
Ecosystem development following deglaciation: a new sedimentary record from Devils Lake, Wisconsin, USA
Quaternary Science Reviews 125, p. 131-143, doi:10.1016/j.quascirev.2015.08.009

2014

11. Lascu, I., Wohlfarth, B., Onac, B. P., Björck, S. and Kromer, B.,  2015
A Late Glacial paleolake record from an up-dammed river valley in northern Transylvania, Romania
Quaternary International 388, p. 87-96, doi:10.1016/j.quaint.2014.11.041

10. Blumentritt, D. J. and Lascu, I., 2015
A comparison of magnetic susceptibility measurement techniques and ferrimagnetic component analysis from recent sediments in Lake Pepin (USA)
Geological Society, London, Special Publications 414, p. 197-207, doi:10.1144/SP414.6

9. Harrison, R. J. and Lascu, I., 2014
FORCulator: A micromagnetic tool for simulating first-order reversal curve diagrams
Geochemistry, Geophysics, Geosystems 15, p. 4671-4691, doi:10.1002/2014GC005582
software

2013

8. Lascu, I. and Plank, C. P., 2013
A new dimension to sediment magnetism: Charting the spatial variability of magnetic properties across lake basins
Global and Planetary Change 110, p. 340-349, doi:10.1016/j.gloplacha.2013.03.013

7. McLauchlan, K. K., Lascu, I., Myrbo, A. and Leavitt, P. R., 2013
Variable ecosystem response to climate change during the Holocene in northern Minnesota, U.S.A.
Geological Society of America Bulletin 125, p. 445-452, doi:10.1130/B30737.1

6. Strauss, B. E., Strehlau, J. H., Lascu, I., Dorale, J. A., Penn, R. L. and Feinberg, J. M., 2013
The origin of magnetic remanence in stalagmites: Observations from electron microscopy and rock magnetism
Geochemistry, Geophysics, Geosystems 14, p. 50065025, doi:10.1002/2013GC004950

2007 – 2012

5. Lascu, I., McLauchlan, K., Myrbo, A., Leavitt, P. R. and Banerjee, S. K., 2012
Sediment-magnetic evidence for last millennium drought conditions at the prairie–forest ecotone of northern United States
Palaeogeography, Palaeoclimatology, Palaeoecology 337-338, p. 99-107, doi:10.1016/j.palaeo.2012.04.001

4. Lascu, I. and Feinberg, J. M., 2011
Speleothem magnetism
Quaternary Science Reviews 30, p. 3306-3320, doi:10.1016/j.quascirev.2011.08.004

3. Lascu, I., Banerjee, S. K. and Berquó, T. S., 2010
Quantifying the concentration of ferrimagnetic particles in sediments using rock-magnetic methods
Geochemistry, Geophysics, Geosystems 11, Q08Z19, doi:10.1029/2010GC003182

2. Jackson, M. J., Bowles, J., Lascu, I. and Solheid, P., 2010
Deconvolution of u-channel magnetometer data: Experimental study of accuracy, resolution and stability of different inversion methods
Geochemistry, Geophysics, Geosystems 11, Q07Y10, doi:10.1029/2009GC002991

1. Labourdette, R., Lascu, I., Mylroie, J. E. and Roth, M. J., 2007
Process-like modeling of flank margin caves: From genesis to burial evolution
Journal of Sedimentary Research 77, p. 965-979, doi:10.2110/jsr.2007.086

Invited lectures and conference presentations

2017

Modeling first-order reversal curves
Lascu, I., Harrison, R. J., and Muraszko, J. R.
International Conference on Rock Magnetism, Utrecht University, The Netherlands, 10-14 July.

Pseudo single domain remanence carriers in obsidian revealed by rock magnetism, electron microscopy nanotomography and micromagnetic modeling
Lascu, I., Ball, M., Einsle, J. F. and Harrison, R. J.
JpGU-AGU Joint Meeting, Chiba, Japan, 20-25 May.

Iron biomineralization by bacteria: A magnetic trek from lakes on Earth to life on Mars
Lascu, I.
Smithsonian National Museum of Natural History, Washington, D.C., USA, 14 February.

2016

Research strategies and quantitative methods in environmental magnetism
Lascu, I., Muraszko, J. R., Harrison, R. J. and McLauchlan, K. K.
AGU Fall Meeting, San Francisco, USA, 12-16 December.

Processing large FORC diagram datasets applied to Earth-Science research
Lascu, I., Harrison, R. J. and Muraszko, J. R.
Second annual first-order reversal curve (FORC) workshop, New Orleans, USA, 30 October.

The magnetism of speleothems: Applications in environmental and geomagnetic studies
Lascu, I.
Institut de Physique du Globe, Paris, France, 11 March.

Magnetic sediments: A window into past global change
Lascu, I.
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, USA, 16 February.

Unmixing magnetic domain states in natural and synthetic samples
Lascu, I., Harrison, R. J. and Muraszko, J. R.
Magnetic Interactions Conference, Imperial College, London, UK, 7-8 January.

2015

Unmixing multi-component magnetic mixtures in geologic materials using first-order reversal curve diagrams
Lascu, I., Harrison, R. J., Li, Y. T., Muraszko, J. R., Channell, J. E. T., Piotrowsky, A. M., Hodell, D. A., Necula, C. and Panaiotu, C.
AGU Fall Meeting, San Francisco, USA, 14-18 December.

Magnetic unmixing of first-order reversal curve diagrams using principal component analysis
Lascu, I., Harrison, R. J., Li, Y. T., Muraszko, J. R., Channell, J. E. T., Piotrowsky, A. M. and Hodell, D. A. European Geosciences Union General Assembly, Vienna, Austria, 12-17 April.

Other recent conference talks

2016

What does it mean to be pseudo single domain? Demystifying the PSD state
Lascu, I., Harrison, R. J., Einsle J. F. and Ball, M.
AGU Fall Meeting, San Francisco, USA, 12-16 December.

Refining the Quaternary Geomagnetic Instability Time Scale: The Laschamp Excursion Dated from a Speleothem Record
Lascu, I.
PAGES Central and Eastern Europe Paleoscience Symposium: From Local to Global, Cluj-Napoca, Romania, 23-24 May.

2015

Dating the Laschamp Excursion: Why Speleothems are Valuable Tools for Constraining the Timing and Duration of Short-Lived Geomagnetic Events
Lascu, I., Feinberg, J. M., Dorale, J. A., Cheng, H. and Edwards, R. L.
AGU Fall Meeting, San Francisco, USA, 14-18 December. 

High-resolution magnetic imaging of geologic samples using scanning magnetic tunnel junction microscopy
Lascu, I.
Magnetic Interactions Conference, University of Leeds, UK, 7-8 January. 

2014

Scanning magnetic tunnel junction (MTJ) microscopy: High-resolution magnetic imaging of geologic samples
Lascu, I. and Harrison, R. J.
American Geophysical Union Fall Meeting, San Francisco, California, USA, 15-19 December. 

Speleothems as geomagnetic recorders, Magnetic Interactions Conference
Lascu, I.
University of Cambridge, UK, 8-9 January. 

2013

Toward constraining the age and duration of the Laschamp geomagnetic excursion using a speleothem record from Crevice Cave, Missouri
Lascu, I., Feinberg, J. M., Dorale, J. A., Edwards, R. L. and Cheng, H.
Geological Society of America Abstracts with Programs. Vol. 45, No. 7. 

Non peer review articles

Lascu, I., Jackson, M. J. and Solheid, P., 2012
Beyond u-channels: Improving the deconvolution of u-channel magnetometer data for non-standard sample geometries
IRM Quarterly 22 (3)
article

Citations and other metrics

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