Freeman, Paul ORCID: 0000-0002-5376-8940, Prabhakaran, Dharmalingam and Turrini, Alexandra A. (2022) Lack of Out-of-Plane Dispersion of the Magnetic Excitations of Charge-Stripe Ordered La2−xSrxNiO4+δ. Journal of the Physical Society of Japan 91, (2022), 91 . p. 125004. ISSN 0031-9015